Dual-Speed Low Profile 1.25/2" Crayford

Dual-Speed Low Profile 1.25/2'' Crayford
Dual-Speed Low Profile 1.25/2'' CrayfordDual-Speed Low Profile 1.25/2'' CrayfordDual-Speed Low Profile 1.25/2'' Crayford
£129.00

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In stock - Shipped 1-2 working days.

Model:  sw_low-profile_focuser
Part Number:  20170
Brand:  OVL

OVL

A direct replacement (utilizes existing bolt-holes) Low Profile CNC machined 10:1 dual-speed focuser designed for Skywatcher and Celestron Newtonian telescopes with apertures 8-12 inches (tube diameters 9-15 inches).

Silky-smooth focusing operation. 

Low profile 24mm drawtube, perfect for astro-photography. 

Incorporates drawtube extension so also suitable for visual use, even when using long focal length 2" eyepieces! 

Accepts both 1.25" or 2" eyepieces. 

There are currently no specifications available for this product.

Dual-Speed Low Profile 1.25/2" Crayford Questions & Answers

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Q1. What are the fixing hole centre dimensions of the Skywatcher low profile focuser?

The hole centre dimensions in the Skywatcher low profile focuser will fit 87mm hole centres along the length of the telescope tube and 80mm hole centres across the telescope tube.

Q2. Does this use a compression fitting to hold 2" and 1.25" eyepieces?

2" eyepieces and accessories are held by a brass compression ring.

1.25" eyepieces and accessories are held by an adapter in the 2" focuser tube. The adapter itself is able to compress around the 1.25" parts so they will not be marred but it doesn't use a brass compression ring.

Average Rating (2 Reviews):  
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Rating (max 5):  
Nice cheap focuser
Wednesday, 28 March 2018  | 

This is not the best focuser on the market but is very good for the price. Nice smooth action and good fine focussing. I would not recommend if you expect it to carry a lot of weight such as a filter wheel or DSLR camera but for observing is great. I replaced the stock single speed focuser on Skywatcher 8" Dobsonian and was a direct replacement, no need to adjust the holes in the tube. As I say there are better focusers but probably 2 to 3X the price as well so for observing more than adequate.


Rating (max 5):  
Crayford Focuser
Wednesday, 20 July 2011  | 

brought this a while ago and is 100%better than the standard rack and pinion i bought it for photo work with a dslr/webcam and focus is so much more easier and precise get one you will never look back

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