Pegasus Astro Stepper Motor Kit v2 (Free Shipping) HK$1,400.00 ** International Free Shipping Applies ** Never should you worry about achieving razor sharp focus again! Motorize your Celestron focuser with our powerful stepper motor. The user must specify the number of steps the stepper motor will move for each move for each focus adjustment. Stepper Motor for Feathertouch Dual Speed Focusers Visual Basic provides the fron end and ASCOM Driver support. This means I can use FocusMax to do the focusing. With Pegasus Astro DMFC, you could empower your telescope with motorised focuser capability and with the right. Motorize your GSO Classic focuser with our powerful stepper motor. A handful of timing belts and pulleys. This powerful Motor Focus Kit enables both fast and accurate telescope focusing. This entertaining text details the methods and techniques employed by non-professional astronomers from all over the world, providing a wonderful resource for anyone wishing to build a small observatory of almost any kind. A major feature of this book is the way it compares not only different classes of refractor, but also telescopes of each class that are sold by various commercial manufacturers. Make sure to tighten all coupler grub-screws. Home | Newsletter & Sky Happenings | Projects | Customer Care | Dealers |, usb-nSTEP, wifi-nSTEP Found inside – Page 30The secondary despace error is minimized by the secondary mirror focuser . The focuser utilizes a stepper motor to move the secondary mirror toward or away from the primary mirror to keep the mirror separation unchanged . Although this book is highly comprehensive, it is suitable for beginners – there is a chapter on "Astronomy Basics" – and experts alike. Found inside – Page 129Each GX telescope also comes with a 6 30 finderscope and a 1.25-inch focuser, though upgrades to 10 50 find- erscopes ... includes manual slow-motion controls and is designed to accept an optional dual-axis, stepper-motor drive system. MoonLite offers a High Res Stepper motor Belt Drive Rotator kit for all 2" and 2.5" large format Moonlite model focusers. Universal motor focusing unit is designed for installation on different types of telescope focusers. Tighten all set scews of the motor coupler. $279.00. The store will not work correctly in the case when cookies are disabled. the telescope isn't in the computer controlled alt-az mount I made, but now that I can remotely focus the telescope I'm almost done. 14 We Do Right by Our Customers We love our customers! The MicroTouch works with any Feathertouch Focuser from Starlight Instruments. Focusing travel. Description. SGL Focuser Control. The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. Found inside – Page 70For focusing , we purchased a NGF - 2 2 - inch Crayford - design motorized focuser made by Jim's Mobile , Inc. A primary ... The Newtonian focus of the telescope . The stepper motor and de - rotator drive belt can be seen at top . Can be operated for temperature compensation with the optional temperature sensor (below). At first, I roughly planned to use a motor, whose speed could have been regulated by the user, to let the focuser knob rotate. I already had the PnP focuser set up and wanted something for my AT72ed, so I started working on a Arduino Uno based auto focuser using the ULN2003 Motor Driver and the 28BYJ-48 stepper motor. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. It is not designed to focus an unfocused telescope. Found inside – Page 175His youthful observations of the planets with a simple "stovepipe telescope" were interrupted by medical school, ... that held the CCD camera square to the focuser, a handmade wood truss for the mirror-cooling fans, and a stepper motor ... myFocuserPro is an ASCOM and Moonlite compatible stepper motor telescope focus controller (DIY) based on Arduino Nano/Uno. A complete package is available from my website listed below.PurposeThis project was undertaken to provide a remote . per cm due to its high torque, this high resolution blue anodized gearbox features a 0.06 degree step size. Aleximor, a four-hundred-year-old sorcerer, wages war and seeks revenge against the entire Seaborn royal line and threatens to use Kassandra, the King of the Seaborn's granddaughter, and college student Corina Lairsey as pawns in his evil ... Found inside – Page 43There is no need to have a planetarium program that also drives your telescope. However, nowadays I do run the C11 ... Autofocusing is carried out using a stepper-motor driven drive-belt system and control electronics built by Tom How. We are pleased to be able to offer the Starlight Instruments Focuser Boss II Electronic Focusing Control Kit for digital focusing of our telescopes. Full control of your focuser from your PC and rotation of camera for frameing (important for mosaics), usb-nSTEP basic (PC only) plus a Stepper For the best experience on our site, be sure to turn on Javascript in your browser. From the reviews: "This is one of several dozen books in Patrick Moore's "Practical Astronomy" series. Amid this large family, Mobberley finds his niche: the beginning high-tech amateur. This is the perfect book for amateur astronomers who are about to invest in a new Schmidt-Cassegrain or Maksutov telescope, or for those who already have one and want to get the most out of it. Rigel Systems has introduced a new high-torque 12V DC stepper motor focuser kit for Celestron SCT telescopes, driven by a nFOCUS motor controller providing the greatest possible auto-focusing accuracy.. Angle Adjusters, Adaptive Optics & Field De-Rotators, Starlight Instruments - Handy Stepper Motor with Manual Focus Over-Ride, Skip to the beginning of the images gallery. Adding the external temperature sensor to the usb-nSTEP allows your autofocus software to and automatically compensate for these temperature changes. The shaft lock housing part remains attached to the focuser. Focuser not included. Necessary cookies are absolutely essential for the website to function properly. Found inside – Page 40SkyScan Computercontrol GOTO System • Stepper - motor Technology RETA Tal 1 Reflector Tal 120 Reflector Tal 150P ... 150mm telescope gives An updated version of the 100 R top quality Optical performance with improved battles and focuser ... This is a DIY circuitry for driving telescope's stepper motor for precise motion control. So, there is a gear advantage of 3:1. Listing more than 500 sky targets, both near and far, in 187 challenges, this observing guide will test novice astronomers and advanced veterans alike. Its high torque is suitable for lifting heavy imaging equipment. We've probably already done it! Stepper can be quickly detatched for manual focusing. I used the following parts: Aluminum 50 tooth MXL pulley with 15 mm bore Aluminum 30 tooth MXL . 3: Select an accessory Moreover motor's gearbox has a low backlash which can easily . With a couple of photos and a few measurements we can make a stepper motor kt that will fit your focuser at no additional cost -- just $99.95 Stepper can be quickly detatched for manual focusing. The gear coupling of the stepper to focus shaft provides up to 9,600 steps per revolution in full step mode and 19,200 in half step mode to supply the exceptionally fine focus movement required for fast telescopes. Here is the progress of the project: It is attached to the Moonlight focuser with one brass screw and there is a rubber washer between the bracket and the focuser. Here is the first test to drive the stepper from an Arduino. Push the motor close to the telescope (as displayed below). The serial protocol is compatible with Moonlite focusers, so their ASCOM drivers and supporting software can be used. These cookies will be stored in your browser only with your consent. Stepper Motor, Universal L Shaped Adapter & Motor Coupler weight in total 350g, Explore Scientific ED Series (ED80, ED102, ED127, ED152), Explore Scientific ED-FCD100 Series (ED80-FCD100, ED102-FCD100, ED127-FCD100), Remove the central bolt (the bolt on top of the focuser as shown at the image below). Motor Specification 35mm Stepper Motor Subdivision Steps 5760 steps Torque 1.5N/M Focuser Payload Limit 5KG Power Requirements DC12V @ 0.5A Connector - 5.5mm*2.1mm Centre Positive Data Interface USB 2.0 Sensor/Hand Controller Interface 3.5mm audio, Centre Positive The ZWO EAF utilises a USB2.0 interface for data communication Prompt. for the ultimate in accurate auto-focusing. An autofocuser is a piece of kit that attaches to your telescope's focus knob. Hi all amateur astronomers, I've got a SkyWatcher Newtonian 200/1000 Telescope on which the focuser is motorized with the following kit : I want to build a motor controller system with the "AccuFocus" Inside circuit system or use another circuit card to render the focus to be USB controlled. As the Takahashi Focuser has a flat surface it is very easy to use the long screws (supplied in the package) and replace two of the the stock Takahashi screws with these two in order to grab the motor onto the focuser. Adding a motorized focuser to your telescope makes achieving focus an easy process. You also have the option to opt-out of these cookies. Uses standard 6-wire telephone cable and RJ12 connector. 4: Download and install the software. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Page 1 of 2 - Stepper Motor Focuser For 6/8SE Scopes - posted in Celestron Computerized Telescopes: Well folks, the project is finally complete. Its sturdy mechanical design ensures that Prodigy Microfocuser can lift up to 10Kg of equipment, dead accurate and flexure free. The DC motor is ideal for visual or imaging and provides a 8 lb lifting capacity when installed on the focuser. Please see Motor options for more details: Motor Focus Options . This category only includes cookies that ensures basic functionalities and security features of the website. Motor has a powerful gearbox which acts as a brake when motor is not rotating. This motor has a built-in temperature thermistor for temperature control through the SI-EFS and the Focuser Boss II digital system. One screw /washer is enough to hold the bracket in place. Split Gear Stepper Kit. But opting out of some of these cookies may have an effect on your browsing experience. The HSM20 motor unit fits the 2.0" Feather Touch focusers, MPA Retrofits (Takahashi and TeleVue), and Micro Feather Touch Telescope Focusers for the SCT scopes. . 1: Select STEPPER motor for your focuser Once you've built the circuit above and . Online stores and auction houses have facilitated commerce regarding all sorts of useful optical components at a reasonable price. This is a book about making telescopes from available parts. STEPPER MOTOR FOCUSER SOLUTION BASED ON ARDUINO This document describes • the range of myFocuserPro products • building the myFocuserPro controller units • testing procedures and programs • attaching the myFocuserPro stepper motor to the telescope focuser • sample schematics, strip-board layouts and PCB (Eagle) • how to initially . Remove Left side knob or shaft lock knob off the shaft by backing out the setscrew with an 5/64" Allen wrench. I made a bracket that allows the stepper motor to be attached to the focuser. for the ultimate in accurate auto-focusing. Make sure to tighten both set screws very well. Use the appropriate motor coupler from the 6 x motor coupler bag and connect motor shaft with focuser’s shaft. A popular DIY ASCOM focuser with more than 106,000+ downloads. Thanks to the use of the microstep mode of operation of a stepper motor (up to 1/64 steps), high focusing accuracy and smoothness of the focusing . So in this case I decide to use a Play Station 2 wireless gamepad (the Logitech one). Secondary mirror moving motor focuser. This motor has a built-in temperature thermistor for temperature control through the . This eliminates the backlash (and potential cause of defects) induced by gearboxes which would have to be used with lower power motors. This is required to allow you to have access to them by using the hex key tool. The MOONLITE focuser can be delivered with a precision stepper motor. The second telescope the motor focus shall serve is a telephoto lens of 165mm focal length which will be the wide field setup (full frame). The Pegasus Astro stepper motor kit is easy to install on an imaging refractor telescope, and the included software works as intended right out of the box. FB-II-KIT 1---Focuser Boss II Electronic Focusing Control. The DC gear head motor and controller combination are ideal for operation of the focuser when a Computer is not going to be used. Under the focusing knob's rubber grip was a smooth shaft, which made it a snap to add a pulley and a belt going to the stepper motor. Custom Stepper Motor Kits for your focuser. Focus using wifi phone or integrated push buttons, Got a focuser that's not one of the ones listed on our website? and an EasyDriver stepper driver board. bracket kits & gear ease of installation. Picking a solution is easy as b) Detach and place the finder holder on the opposite side where there is a hidden screw thread under the label (as shown in the image below). I plan on using an Ardrino board and a Linistepper v2 board to drive a 6 wire unipolar stepper motor to drive a telescope focuser. 7 Use the Manual move switch while monitoring stepper motor position using the Arduino Serial monitor. Compared to the old version of the EAF focuser, the main change of the 5V EAF was to eliminate . Two push buttons are used to slew the telescope north or south. The motor focuser is used to control the focusing knob of the Celestron C6 SCT. The shaft lock housing part remains attached to the focuser. Use 1xM4 screw along with a washer to secure in place the L bracket. In case of doubt, please contact us. Quantity. The HSM20 has 19,450 steps per inch and the HSM30/35 has 24,300 steps per inch. Focuser not included. Over the weekend I have worked on the mechanics. Found inside – Page 210Schmidt Cassegrain telescope was announced in September 1980. ... The clock drive uses a stepper motor, but with no speed control. The mount and drive work in very cold weather, but its mirror focuser freezes. We also use third-party cookies that help us analyze and understand how you use this website. Secure the motor with the bracket by tightening all 4 bolts. I have been using a Robofocus focus controller for many years now to control a Robofocus geared stepper motor on my various imaging telescopes. Pegasus Astro: Prodigy is our new 3" robotic microfocuser. * Please check below photos on how to attach the motor to a William Optics GT71 or a W.O. I'll describe the basic connections and setup, details left up to you. Found inside – Page 199The box farthest from the telescope contains stepper motor drivers and a thermometry circuit . ... GRIM incorporates an array of cold slits , a collimated beam section , a focuser , a grism for low resolution spectroscopy , a large ... This "Handy" stepper motor unit works exclusively on the Focuser Boss II electronic focuser. Stepper motor cable (1) Select your focuser model focuser according to the images shown here. I am trying to build a DIY telescope focuser. Featuring . Universal Black Anodised Aluminium L shaped bracket for Motor, Different sizes (Pairs of M3x10, M4x10, M4x30 M5x10, M6x10, ) of metric screws and washers, Four M3x6mm length screws (to attach the enclosure on the bracket). Link this into software such as SGP, and you have a system that takes a shot, checks focus, moves the focuser, takes a shot . Stepper motor. £18.00 Add to Basket. $335.00. This website uses cookies to improve your experience while you navigate through the website. basic (PC only via usb) 11. verify motor movement by attaching a motor to the azimuth/right ascension port of the circuit board (the middle db-9 connector), then turn on tracking in scope.exe 12. attach the other unipolar stepper motor to the altitude/declination port of the circuit board and verify movement by using the up button of the hand paddle 13. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. In April of 2021 ZWO introduced this new 5 Volt version. Explore Scientific Its been a long time coming and even required some cable repairs this morning. The kit just contains the electronics - it is up to the user to find a stepper motor and attach it to their own telescope focuser. Got a focuser that's not one of the ones listed on our website? By amateur astronomers for amateur astronomers. Stepper can be quickly detatched for manual focusing. Starizona is pleased to announce a new, low-profile motor for our popular MicroTouch Autofocuser. We've probably already done it! Now you can focus the telescope by pushing a hand controller button. Peter Manly surveys more than 150 unusual telescopes designed by amateur and professional astronomers to suit some special need. Arduino Focuser 2. Fast optics and modern camera devices require automatic focusing in every small period of time as temperature can affect focal . and STEPPER Motor Kits FocusDream - DC Motor USB ASCOM focuser controller. Uses standard 6-wire telephone cable and RJ12 connector. Here is the schematics of the focuser: The controller (containing Arduino Uno microcontroller, BigEasyDriver stepper motor driver, Nokia 5110 LCD display, 4x4 keypad, and some resistors and capacitors) is the one I designed for my focus stacking macro rail, Fast Stacker. pc focus via usb or manual using push buttons or Wifi from phone/tablet browser. This "Handy" stepper motor unit works exclusively on the Focuser Boss II electronic focuser. Lakeside Motor Focuser Kit (5) £299.00 Add to Basket. 1: Select STEPPER motor for your focuser. Stellarvue 2″ focusers has a nice flat surface underneath. Arduino Focuser, fully ASCOM complaint. :-) First update 12 September 2011. The Seletek Limpet controller, includes the power supply cable, with screwed on terminal, and a tripod thread screw; Stepper motor (3600 steps/turn) Main features: Interrupt-driven motor control for fast and accurate . The MSM20 incorporates a high torque stepper motor with a geared drive that seamlessly meshes with your existing Feather Touch focuser. On this particular type of . Remove the plastic grub-screws (the do not have an actual usage) from the bottom of the Steeltrack Focuser. High Resolution Stepper Motor/stand alone for customers that may all ready have a stepper motor controller. Found inside – Page 151I envy them, until I remember that with what they paid for the mount alone, I bought a computerized S-C telescope with mount and CCD ... Preferably, you should get a focuser with a stepper motor that moves the drawtube in and out. Here, the longer timing belt is used and it is wrapped around the lens focus ring, and should be tightened moderately, hard to get enough friction. The Steeldrive II can quickly move loads up to 8 kg with high precision. Lakeside Motor Focuser - Stepper Motor Cable. - The high resolution stepper motor option . Rigel Systems' tried-and-true USB-nSTEP system for computer control of telescope stepper focus motors is now available for MoonLite Focusers.. While PixInsight is extremely powerful, very little has been printed on the subject. The first edition of this book broke that mold, offering a comprehensive look into the software’s capabilities. Turn using your hand the focuser knob to reveal the 2nd set screw of the coupler. This motor is a unipolar stepper motor. . © 2020 Woodland Hills Camera & Telescope, All Rights Reserved. To address that, Bowling set up a motorized focusing system that removes the need to touch the telescope at all. We have succesfully instaleld our L shaped bracken on these Takahashi Focusers. We do over 100 variants of focusers, if you don't see yours here, e-mail us! The stepper motor is then coupled with a suitable drive train attached on to a telescope's fine adjustment knob. Other. The DC motor is ideal for visual or imaging and provides a 8 lb lifting capacity when installed on the focuser. High Res Stepper Motor with Slip clutch Installation guide. With over 140,000 separate dictionary-style entries, and over 20 years in collation, StarBriefs 2001 represents the most comprehensive and accurately validated collection of abbreviations, acronyms, contractions, and symbols within ... Place the bracket on the telescope focuser and adjust (up or down) the motor to alligh the shaft with the motor coupler bore. Order just a Stepper Focus Motor here $99.95 Unlike internal temperature sensors located inside the controller that are affected by the heat generated by the electronics, the external temperature sensor can be attached to the telescope to get a more accurate measurement of the ambient temperature. It is very easy to place the L shape bracket by removing the brake thumbscrew and use that thread to grab the bracket. Stepper Motor for GSO Classic Focusers With the Pi Zero and a stepper motor, he's now able to focus the telescope with more accuracy and repeatability than clumsy human fingers will be able to replicate. The HSM30 motor unit fits the 2.0" Feather Touch Rack/Pinion focuser, 2.5" and 3.0" Feather Touch Rack/Pinion focusers, and the 2.7" Astro Physics focuser with the Feather Touch Upgrade. For me, the process of installing the stepper motor to my telescope involved disassembling the focuser drawtube. I have lots of experience with computers, some electronics, and no coding. The design of this motor housing allows you to still be able to manually turn the focus knob on the focuser by simply turning the over-ride knob on the motor housing. The other feature that I always like is to use a normal gamepad to move the telescope manually, and not having to build it. Focus fast, reliable and accurate your telescope using a stepper motor and this controller. The Arduino drives a 28YBT-48 DC 5V stepper motor, using a ULN2003 driver. Found inside – Page 122Other types of mounts using stepper motor or servo drives, and even home-built mounts, can readily be made GoTo-capable. ... possible as well to integrate focusers, motorized clutches, or CCD cameras with the computer control system. This stepper motor gives you powerful precise auto-focusing without any fussing with extra tools. In a technological advanced world, Artificial Intelligence takes care of the undesirable manual work. 8 We've supported many remote customers in the field as far away as Chile and Australia on a time critical basis. HSM---Handy Stepper Motor with manual focus over-ride $335.00. Micro Touch Focusing System - 3 Piece Kit (hub/hand control, motor . The stepper motor is driven with an A4988 stepper motor driver board and controlled with an Arduino Uno microcontroller. The evolution of technology in astronomy requires a system which will assist the focusing of the telescope with great accuracy. My project idea is, I hope, a simple idea but I do need help on getting started. MicroTouch Low-Profile Stepper Motor. Fully ASCOM compliant so it will work with popular focus control programs. Rigel nSTEP Stepper Motor for Focusers. Other / Custom (please email) A 28BYJ-48 stepper motor with two GT2 toothed pulleys are used in this design. It works with MoonLite's Dual port DRO display controller only. FB-II KIT 1. Tighten both large screws under your focuser, We have installed the motor to all Starlight Feathertouch Focuser Series (from 2” to 3.5”).Installation is very easy and the supplied bolts and spacers ensures that motor is securely attached on the focuser, Below photos are from a TEC140 with a 3.5” Starlight Focuser. I then examined various ways of doing it, and I ended up with the following: The best motor to use is a stepper motor (which has the peculiarity that you can precisely control its revolutions and it speed). This book uniquely brings together a collection of observing, analyzing, and processing hints and tips that will allow the amateur to build skills in preparing scientifically acceptable spectra data. order on our website and get a free temperature sensor! The Arduino Board is used with a stepper motor driver and then connected to a PC. The drive pulley on the stepper motor contains 20 teeth and the pulley that will attach to the telescope drive screw has 60 teeth. SI-PDMS-Other. for the ultimate in accurate auto-focusing. A DIY project - stepper motor focuser solution based on Arduino This document describes the range of myFocuserPro2 products building the myFocuserPro2 controller units attaching the myFocuserPro2 stepper motor to your telescope determining the correct myFocuserPro2 values for your telescope . The HSM35 motor unit fits the 3.5" Feather Touch Rack/Pinion focuser and the 4.0" Astro Physics focuser with the Feather Touch Upgrade. $69.00. 11 Parts: --Arduino (Uno, others untested) --Stepper driver: ( e.g. The new low-profile MicroTouch motor gives an extra inch of clearance by moving the motor off-axis. An L shaped black anodised aluminium bracket, hard to bend, has cut rails and can be attached to a wide range of focusers. Fully control your focuser from your tablet, iphone or android phone, usb-nSTEP Found inside – Page 144Index А altazimuth mount , 12 altitude determining , 11 assembly language program listing , declination bearing in fork arm , 31 declination drive installing the , 71 declination stepper motor placement of the , 73 91 ASTROCAL ... it is compatible to most iOptron later version mounts. Found inside – Page 60800-443-1001 TELESCOPE CENTER America's Largest Telescope Dealer 421 Soquel Avenue , Dept. R , Santa Cruz , CA 95062 AMERICA'S # 1 SOURCE FOR ... Polar alignment and astrophotography are a snap with the Stepper Motor drive system ... Add a stepper motor to any telescope. This new motor is designed to fit any of the Feathertouch SCT MicroFocusers* or . This sketch implements telescope focuser controller logic for a stepper motor and a Pololu DRV8825 stepper driver board. I am also running a separate 5V supply for the ULN2003 Motor Drivers and 28BYJ-48 Stepper Motors. Place the motor on the bracket and align the motor shaft to the “already placed” motor coupler. Building a ASCOM compatible focus controller using an Arduino Board. This book gives readers the benefit of Harris’s many years of experience as both a professional astronomer and owner of Meade LX telescopes, including the top end LX400. $325.00. The Dual Motor Focus Controller supports two kind of motor types. Primaluce Lab M56 15mm extension tube for ESATTO 2" £42.00 Add to Basket. Use the 8mm motor coupler and attach it to the shaft of the focuser. Provides easy to understand information and guidelines about the design and construction of binoscopes Focusing on both homemade and commercial products, this book provides the reader with simple and straightforward information about the ... System includes custom designed stepper motor, RF3 control module, mounting hardware (brackets, shaft coupler, and/or timing sprocket), power converter/adapter (110vAC to 12vDC), cables, PC software (on CD) and comprehensive instruction manual. The design of this motor housing allows you to still be able to manually turn the focus knob on the focuser by simply turning the over-ride knob on the motor housing. This iOptron Electric Focuser (eFocuser) is designed for iOptron Photron TM Ritchey-Chrétien (RC) telescope dual-speed focuser. Using 2 push buttons, you can select 5 focusing speeds, increasing every time you press the same button and decreasing as you press the other one. Anagram Solver is the essential guide to cracking all types of quiz and crossword featuring anagrams. One stepper motor. Telescope Size If your focuser has the Shaft lock option, just the knob is removed. This motor has a built-in temperature thermistor for temperature control through the SI-EFS and the Focuser Boss II digital system. It has been a good solution that I have adapted to Newtonians, SCTs, refractors, and even SLR lenses. No ASCOM is required. Keep them in a safe place. Focuser not included. This book describes in precise detail how amateur astronomers can find comets and capture spectacular images of them using modern telescopes, CCDs, and digital SLRs. Focuser not included. Feathertouch $535.00. 10 The drive uses a stepper motor with high torque and the ability to work in microstepping mode. 560g. Designed for astronomers who want affordable high precision fine focusing for visual and astro-imaging, the nFOCUS Focusing Motor controller is fully ASCOM compliant with absolute positioning . Order today are Ontario Telescope and Accessories Focuser Boss II Electronic Focusing Control $325.00. Compatible with Rigel Systems, Feathertouch, Robofocus & Moonlite stepper motors (please identify your stepper motor when purchasing). Found inside – Page 88fig.29 This view shows the stepper motor, assembled onto the end of the focuser shaft. ... The implementation again is crucial; I purchased a new telescope with its latest rack and pinion focus mechanism, (replacing a previous ... This consists of a stepper motor only, you will also need a suitable bracket, shaft coupler and necessary fixing screws for use on a second telescope. The tripod mount on the scope's body had some extra room on it, so it was the perfect place to put a stepper motor bracket. ±8mm (at focal plane ±48mm) Minimum step. Found inside – Page 936.12 The Moonlite 2-in. precision Stepper Motor Crayford focuser with digital readout capable of 4 mm steps used on the AT8RC Ritchey-Chrétien Cassegrain ... Look for this option on any telescope or astrograph you plan to purchase. pc focus via usb or manual using push buttons or Wifi from phone/tablet browser, $189.95 Since it does not require must torque to move the focus draw tube, I will try the 28BYJ-48 stepper motor.
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