More about the series Cat...
The William Optics UltraCat108 is a cutting-edge 108mm apochromatic refractor designed for astrophotographers who demand top-tier performance. Featuring a 5-element advanced Petzval optical design and a fast f/4.8 focal ratio, it delivers breathtaking edge-to-edge clarity and vivid detail, making it perfect for capturing expansive celestial views. Its robust build, exceptional optics, and innovative features redefine the standard for astrophotography.
Key Features:
- Advanced 5-Element Petzval Design: Eliminates field curvature, providing sharp, flat-field images without requiring additional flatteners.
- 60mm Superior Image Circle: Fully supports full-frame and medium-format cameras for wide-field and detailed astrophotography, outperforming standard 106mm telescopes.
- F/4.8 Fast Optics: Offers exceptional light-gathering capability for vibrant deep-sky photography.
- WIFD (William’s Internal Focuser Design): Patented internal focuser ensures precise, stable, and hassle-free imaging, avoiding balance issues and eliminating vignetting.
- Anti-Shrink Lens Cell Technology: Minimizes thermal expansion and contraction, maintaining perfect optical alignment in any environment.
- Sensor Tilt Corrector: Integrated and patented design eliminates distortion, optimizing sharpness and detail for professional-level results.
- Built-In Patented Bahtinov Mask: Simplifies focusing for pinpoint precision, a feature that sets it apart from competitors.
- Patented Handle Bar Design: Combines ergonomic usability with enhanced portability.
It not only matters which telescope you buy but also where you buy it. Our additional services:
- We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
- We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
Our expert comment:
The RedCat 51 is probably one of William Optics’ most loved apochromats and not without good reason. It delivers perfect astrophotos of deep-sky objects and is easily transportable due to its small size.
(Jan Ströher)
