William Optics RedCat 51 mm V2.5 F/4.9 Petzval APO Refractor Imaging Telescope

This is the latest version V2.5 with  an improved helical focuser and updated tension adjustment.

Designed to be the best, affordable, small, lightweight and fast Apochromatic refactor for astrophotography. The unique optical design includes the highest quality glass for the best possible color correction and flat large image circle suitable for full frame sensors. The result is a 51 mm objective lens, in a sleek Petzval design, delivering outstanding images with unbeaten portability.

Australian Authorised dealer

Read Sky & Telescope's review of the RedCat 51!

You can add a T mount to connect your DSLR camera to the RedCat here.

Add the saddle handle bar (for guide scope & other accessories) here.

Add a ZWO ASIAIR (or other accessories) Mounting plate here.

Mount a ZWO EAF Electronic focuser & an ZWO ASIAIR to the RedCat 51 using the Black Cat Mount - here.  

The William Optics RedCat 51 APO II is a 51mm f/4.9 Petzval refractor that features synthetic fluoride (FPL53 and FPL51) glass elements for a full frame, flat field image.

Provides high resolution images when used for astrophotography or wildlife photography.

It's fast f/4.9 focal ratio and compact size makes it ideal for convenient wide field astrophotography or piggybacking.

Incorporates a smooth helical focuser, a field rotator graduated by degree, a slot for 48mm filters and a reversible dovetail for either Vixen style or Arca-Swiss mounting.

Carrying case is included.