Description
Welcome to the Cat family, RedCat 71!
The William Optics RedCat 71 is a 71mm f/4.9 refractor with a Petzval design. Featuring a doublet front element with FPL-53 glass, plus a single central element and a single rear lens. Due to this design, the WO Cat71 offers a flat field of view without the need for an extra flattener and has an image circle of more than 45 mm. WO Cat71 is primarily designed for astrophotography, but photography with a DSLR or system camera is also possible. The RedCat 71 offers excellent color correction and shows pinpoints of stars at the very edge of a field of view. If you want to take pictures with the best quality, this beautiful and powerful telescope is what you are looking for.
The first-class quality due to anodized finish and calibrated helical focusing device with 2GT adjustment ring. This allows you to focus much accurately and because you can fix the focus ring, you maintain your focus much better.
Key features of the William Optics RedCat 71 APO telescope are:
- 71mm f/4.9 astrophotographic telescope
- FPL-53 glass
- 4 elements in 3 groups (2-1-1)
- Suitable for Full Frame
- Image circle of 45 mm
- M48 camera connection
- Weight only OTA: 2.8 kg
- Weight with rings and dovetails: 3.7 kg
Below is an image of the parts with names:
- A: M48 dust cap, behind it camera connection
- B: Tilt adapter
- C: Camera rotator
- D: Rotator knob, to make the rotator rotate more sturdy or more smoothly
- E: Carrying handle with slot for Uniguide and 2 M4 bolts
- F: Helical focusing device
- G: Arca Swiss / Vixen dovetail
- H: Tube rings, 2 pieces
- I: Dew shield with focus tension ring
- J: Cover cap with Bahtinov mask incorporated.
Delivery of the William Optics RedCat 71 APO telescope includes:
- RedCat 71 APO 350 mm f/4.9
- Arca Swiss / Vixen style dovetail
- 2 pipe rings
- Carrying handle with slot for Uniguide guide scope
- Sturdy bag for transport and storage.
William Optics also has a smaller version of the RedCat 71 which is the RedCat 51 APO
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