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William Optics DDG Focuser for Synta Refractors Sold!

Price - $180.00

Ad Number: 183127

Posted: 11 Sep 2019

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This lightly-used William Optics focuser doesn't fit my current herd of refractors. It has a 96.9mm (3.81") diameter base plate that is designed to fit Synta-made (Skywatcher, Celestron, Orion and more) refractors. The 360 degree rotatable DDG focuser comes with two locking screws on angled positions for heavy load applications, a silky-smooth 2-speed microfocuser, a 2" to 1.25" adapter and a thermometer installed into focuser knob!

- 2" 360 deg. Rotatable Crayford Focuser With Zero Image Shift
- Dual speed microfocuser: 1:10 reduction
- Drawtube Travel Length 3.19" (80 mm)
- 1.25" Adapter with brass Compression Ring
- Base flange/adapter outside diameter = 3.81" (96.9mm)
- Weight : 3lb-9.1oz (1448g) with 1.25" eyepiece adapter; 3lb-6.1oz (1363g) without adapter

Designed for Synta-made refractors from 3" to 6". Base adapter/flange has an outside diameter of 96.9mm. Should also work with other scopes requiring a 96mm or 97mm base such as Celestron C4R 102mm f/9.8, Celestron 102mm f/5, Celestron C-102HD 102mm f/10, Celestron C6R 150mm f/8, Orion 80ED, Orion 100ED, Orion Astroview 100mm f/6, Orion Astroview 120ST EQ (mounted into collar on tube), Sky-Watcher 80ED, Sky-Watcher 100ED, Sky-Watcher 120ED, Sky-Watcher 102mm f/9.8.

Asking $180 with shipping included. PayPal accepted. US shipping only.


  • Condition Excellent
  • Location Alamogordo, NM

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