Sky-Watcher f4 Aplanatic Coma Corrector

Sky-Watcher f4 Aplanatic Coma Corrector

£199.00
  (2 Reviews)
✓ 2 year warranty

:  

In stock shipped 1-2 working days.

About this product

Model:  sw_aplanatic_cc_20231
Part Number:  20231

Optimised for Sky-Watcher Quattro f4 imaging Newtonians.

Delivers stunning wide-field views with pinpoint stars to the edge of the flat field.

Magnification remains unaltered.

Four element design with one element from FPL51 ED glass.

Requires 55mm back focus.

Image height 28mm.

Outside diameter 50.8mm. 

Threaded for 2-inch filters 

For imaging use with a DSLR camera a Skywatcher DSLR-M48 Ring Adapter is also required. 

Customer reviews

Average Rating (2 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Necessary item
Thursday, 10 May 2018  | 

After reading many reviews i came up to this item for the Newtonian as it is doing good, there is a cheaper option but i didnt want something that much cheap but not that much good as this corrector, it is also holding nicely against more expensive high end corrector, so i was confident that this corrector will do the job just right.


Rating (max 5):  
This has Transformed my Quattro
Tuesday, 8 May 2018  | 

I've had the 254 CF Quattro for a few years now, and I tried to do my best with the Skywatcher 0.9x coma corrector and also the Baader MPCC III cc.

These work fine on f4.5-f5.0 Newtonians but were pretty poor on the f4 Quattro, with coma still evident at the corners of the frame.

The aplanatic looks very big compared to my previous two CCs but when installed, it is a fine fit for the Quattro, without tube interior intrusion.

As soon as I completed my first stack on first light with the aplanatic, I immediately noticed sharper, more pinpoint stars, with sharpness all the way out to the edges and corners.

Really pleased with purchase, just wish I'd got the aplanatic, when I got the Quattro.

Thoroughly recommended.

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