William Optics 2″ DDG Crayford Focuser for Synta Refractors – Dual Speed
NEW William Optics Digital Display Gauge (DDG) focuser for serious astronomers and astrophotographers!
We are proud to present this innovative device from William Optics, the first ever seen on an astronomical telescope. This prominent, revolutionary design is geared towards serious amateur and professional astrophotographers. The Digital Display Gauge - DDG - allows you to take precise focusing readings down to two decimals instantly.
This premium (2") 360 degree rotatable DDG focuser comes with two locking screws on angled positions for heavy load applications (like CCD cameras, large eyepieces, binoviewers, etc.), a silk-smooth 2-speed microfocuser with 1:10 reduction, a 2" to 1.25" adapter and a thermometer installed into focuser knob!
This focuser has a 96.9mm (3.81") diameter base plate that is designed to fit Synta-made (Skywatcher, Celestron, Orion and more) refractors. It will add functionality and style to your observations. It will assure imaging without any image-shift, better star testing, and a touch of William Optics's quality.
• 2" DDG focuser: smooth and precise. Zero image shift. 360 degree rotatable.
• Now with a new one-piece dual speed reduction.
• Solid as a rock, smooth like a feather.
• Brass compression rings on both the 2" drawtube nosepiece and 1.25" eyepiece adapter.
• Large aluminum knobs.
• Long drawtube (80 mm).
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, however, take care to confirm the fit by measuring the inside diameter of your telescope tube before you order this item.
- ASIN: B005DG86I4
- Item model number:
- Average Customer Review: Customer Reviews