crayford focuser 3d models

A model of a typical crayford focuser used for focusing an astronomical telescope. The model is for educational purposes and shows the components required for normal and fine focusing. Normal focusing is achieved by rotating a shaft that is...

A focuser I made for an entry level telescope that was given to me.

... CRAY_2in Drawtube RevA. The reason for this is that RevB has a 0.2mm offset OUTWARDS because glue is much thinner than tape. Full assembly details are on my telescope making website here: https://marcosatm.com/2020/06/04/2in-crayford-focuser/

This is to mount a 4mm shaft Nema 17 Stepper motor to a GSO single speed crayford focuser like found on a 6" F/5 newt, The ring gets screwed to the bracket to lock it to the focuser, and it leaves clearance for all the other controls

## Credits This design was first to be used with this amazing 2" crayford focuser created by marcosatm here : https://www.thingiverse.com/thing:4424419 Thanks for letting the step files available too ! But it can be retrofitted to any other...

Created to go with the Newtonian Telescope "Newton To See Here" found at https://www.bigbigspace.com/telescope/n607-newton-to-see-here The focuser also requires 3x 85mm steel or brass slides, 1/8 inch by 1/2 inch. 4x 12x6x4mm bearings 1x 4mm...

Video: http://youtu.be/bW7UEPq3LA8 Instructions Print 6 petals, 1 Focuser base, and an eyepiece lock (which you might want to redesign to fit your tube, so source your tube first). Assemble as in the pictures, except use smaller screws :-). I think...

Adapter to mount ZWO EAF on GSO Crayford focuser This was designed to fit my Lunt LS60MT Crayford focuser which is the same as my GSO Crayford focuser and allows the ZWO EAF electronic focuser to be mounted. ... Details are in the installation guide.

Focuser Bracket to fir Crayford type focuser, for NEMA14 stepper motor https://www.omc-stepperonline.com/nema-14-bipolar-09deg-11ncm-1558ozin-04a-10v-35x35x28mm-4-wires-14hm11-0404s.html Based on project myFocuserPro2...

Focuser bracket for Crayford type focuser for NEMA16-PG5 stepper motor https://www.omc-stepperonline.com/nema-16-stepper-motor-bipolar-l33mm-w-gear-raio-51-planetary-gearbox-16hs13-0604s-pg5.html Based on myfocuserpro2 project...

Crayford focuser for MEADE Infinity 70 telescope. ... Additional items you need: 4 screws (longer than original focuser) 2 nuts M4 1 screw M4x30 DIN912 Print gear2.stl 3 times

This is a simple MicroFocuser for a Crayford focuser. This is a sheaper solution to avoid buying the LACERTA microfocus unit (1:10). This DIY system work with a 1:4 reduction by friction with two o-rings against the crayford scroll wheel. ...

A simple focuser bracket for the new single-speed Crayford focuser that comes with Newtonian GSO telescopes, such as the 6" F5. I've used a NEMA17 17hs4401, which have 32mm of spacing between the side screws. You'll also need a set of GT2 timing...

**1 1/4" Crayford Focuser** -------------------------------- Here's my affordable, light-weight 1 1/4" focuser I designed for my 8" Newtonian reflector. Use 'as is' or customize to meet your requirements. Mine works great! ... Minimum racked-in height...

Flat adapter plate for a ZWO EAF to be mounted a GSO dual speed crayford focuser in place of the coarse knob. The two centre holes are for the locking and tension bolt. The lock bolt is covered by the plate by default, the tension needed an M4x20...

*Celestron 130 Upgrade: 2" Crayford Focuser* •Parts List: 4× Bearing (•623ZZ Size: 3mm × 10mm × 4mm) 4× Nut M3 4× Cap Screw M3 × 16~20mm long 2× Flanged Bearing (•624ZZ Size: 4mm x 13mm x 5mm) 1× Solid rod 4mm Diameter (±130mm long) 2× Spring 30mm...

This is a helical Crayford Focuser for use with an amateur Newtonian telescope. It is made for 1¼″ eyepieces, but can be customized easily to accept 2" eyepieces. The mounting angle of the ball bearings is 5°, thus for each full rotation the draw...

This is a model for an crayford double gear focuser to attach an NEMA14 (1,8° ; 14hm08-0504s, 0,5A) stepper motor. There is also generated a tooth pulley with 52 GT2-2mm which is connected with a 130 tooth belt and driven by a aluminum pulley with 10...

The Crayford design allows for fine, smooth adjustment in focus, and doesn't require the focuser tube to have a rack machined into it, so it's ideal for ATM's. The helical Crayford looks like it would be a bit easier to print, so designed this one...

Do you need more precision in your focuser? ...This reductor can help you.You need 608zz bearing of 8x22x7 mm

(I have edited this to recommend a shorter tube in case you want to use thw scope with a star diagonal - I recommend starting with an over-length tube and shortening it until you get the focuser range you need.). Four 3mm bore by 8mm diameter ball...

Crayford helical focuser for my AWB Onesky. The rack and pinion focuser of my original thing fixed the problem of rotating the camera during focus, but pushed the eyepiece way past the original location, which sometimes required collapsing the scope...

This design is a bracket to adapt a ZWO ASI EAF to the Explore Scientific Comet Hunter Crayford focuser. This bracket clamps around the base of the Comet Hunter Crayford and provides a shelf for the EAF to mount to. ... Filament: 1.75 PETG 100%...

GSO 2" M-LRN 10:1 Linear Bearing Crayford Focuser, normally found on GSO Imaging Newtonian Reflector OTA, has a curved, concave, surface and different spacing incompatible with the included ZWO EAF aluminum bracket. This sturdy ABS-printed...

Hello everyone, I had to build a 3D base for UNC V-Power Crayford Focuser of my Takahashi telescope. I wanted to carry other 3D stuff on it (electronic case for my SCT and focuser, incl. arduinos, temp.sensor, OLED Display). I share only the STL...

Focuser bracket for Crayford type focuser using NEMA17 200step motor https://www.omc-stepperonline.com/nema-17-bipolar-18deg-40ncm-566ozin-04a-12v-42x42x39mm-4-wires-17hs15-0404s.html?search=17HS15-0404S Based on project myfocuserpro2...

This is an adapter to attach a stepper motor to 2" Crayford telescope focuser (designed for my iOptron brand focuser, which seems to be identical to GSO brand focusers: https://agenaastro.com/gso-linear-bearing-rc-crayford-focuser.html ). It is...

v1.0.1 (2021-10-26) Simple, cheap,yet effective crayford focuser. Created in consideration that it will be 3d printed, so all models are optimised for this process. Parts used: • shrink tube (7 mm in shrinked state) • 623ZZ bearings x4 ...

Just pust into focuser and add M4 srew

... holes, before removing and securing with CA glue and small Servo horn screws I had laying around. Be careful when removing the four screws of the focuser plate - remove the screws but keep holding the piece in place when screwing in the base-plate.