The classic RedCat 71: bright and color-pure from the first shot
The William Optics RedCat 71 It provides a clear, flat, and color-accurate image from the very first shot. With a 71mm aperture and 350mm focal length, you can photograph larger nebulae and star fields with true image scale, and at f/4.9, exposures remain short. Mount your camera, focus smoothly, and begin: during the day for nature, after sunset under the stars.
Petzval image without loose accessories
The Petzval design keeps the image flat all the way to the corners of a full-frame sensor, without a separate flattener. The Bahtinov mask in the lens cap allows for precise focusing, and the Vixen/Arca-Swiss dovetail fits directly onto mounts and tripod heads.
In the box
- Optical Tube RedCat 71/350
- Integrated Bahtinov mask in the lens cap
- Vixen and Arca-Swiss dovetail
- Nylon tote bag
Featured accessories
A William Optics UniGuide 32mm Guidescope (159 euros) completes the setup for long exposures. William Optics' M48 camera adapters are available for common mounts; choose the variant for your camera.
For whom yes, for whom no
Suitable for: Astrophotographers who prefer the classic RedCat 71 model with an external focuser. Not suitable for: Those who want the latest internal focuser; in that case, consider the RedCat 71 WIFD, which combines the same optics with the WIFD system.
Specifications
| Optical design | Apochromat, Petzval |
| Opening | 71 mm |
| Focal length | 350 mm |
| Opening ratio | f/4,9 |
| Field of view | Flat to full-frame |
| Focus assist | Integrated Bahtinov mask |
| Attachment | Vixen and Arca-Swiss |
| Execution | OTA (loose tube) |
Unsure about the right tube for your camera and mount? The telescope selection aid helps you choose. Also view all Refracting telescopes and the full range of William Optics.
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