Numbered anniversary edition: 30 years of William Optics
The William Optics UltraCat 76 WIFD 30th Anniversary Edition Celebrating thirty years of innovation. Each telescope is numbered, features a unique laser engraving, and comes with a commemorative certificate. With the included UniGuide 32 mm guide scope, you are also immediately ready for guided astrophotography.


Fast f/4.8 system with corrector
The 76 mm optics with integrated corrector gather plenty of light at f/4.8: short exposures and sharp stars right to the corners, without a separate flattener. The internal WIFD focuser keeps the balance constant under camera weight, exactly what an anniversary tube in this class is supposed to do.
In the box
- Optical tube UltraCat 76/365 with WIFD focuser and corrector
- UniGuide 32 mm scope
- Bahtinov mask
- Commemorative certificate with numbered laser engraving
- Transport bag
Featured accessories
The riflescope is already included; with a William Optics M48 camera adapter for your mount, the setup is complete.
For whom yes, for whom no
For: demanding astrophotographers and collectors who appreciate a numbered edition with complete equipment. Not for: those who buy purely on price per millimeter of aperture; the RedCat 71 WIFD offers comparable performance without the anniversary edition.
Specifications
| Optical design | Apochromat, Petzval with corrector |
| Opening | 76 mm |
| Focal length | 365 millimeters |
| Opening ratio | f/4,8 |
| Focuser | WIFD (intern) |
| Riflescope | UniGuide 32 mm (included) |
| Edition | 30th Anniversary, numbered with certificate |
| 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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