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Discover the universe with unparalleled precision using the William Optics Redcat 51 WIFD, a top-tier apochromatic astrograph designed for both astrophotographers and wildlife photographers. This portable yet powerful instrument combines innovative features with superior craftsmanship, making it an essential tool for capturing stunning celestial and terrestrial images.
Precision Optics
The Redcat 51 WIFD boasts a 51mm aperture and a fast f/4.9 focal ratio, delivering sharp, high-contrast images with minimal chromatic aberration. The Petzval design ensures pinpoint stars across the entire field of view, making it perfect for wide-field astrophotography.
Wide-Field Imaging
With a 250mm focal length, the Redcat 51 WIFD provides a generous field of view, allowing you to capture expansive night sky vistas, including nebulae, star clusters, and the Milky Way in breathtaking detail.
Advanced Focusing System
The innovative WIFD (William Optics Integrated Focuser Design) offers precise, buttery-smooth focusing adjustments. Its dual-speed focuser allows for both coarse and fine-tuning, ensuring perfect focus every time.
Robust Build Quality
Crafted from high-quality materials, the Redcat 51 WIFD features a lightweight, durable aluminum body. Its compact design makes it highly portable, ideal for on-the-go astrophotographers and wildlife enthusiasts.
Versatile Mounting Options
The Redcat 51 WIFD includes a Vixen-style dovetail plate and a built-in Arca-Swiss compatible base, providing versatile mounting solutions for various tripods and mounts.
Compatibility and Accessories
The Redcat 51 WIFD is compatible with a wide range of cameras, including DSLRs, mirrorless, and dedicated astrophotography cameras. It comes with a variety of accessories, including a dedicated Bahtinov mask for precise focusing and a soft carrying case for easy transportation.
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| Lens Type |
4 Elements Petzval Design |
| Focal Length |
250 mm |
| Diameter |
51 mm |
| Aperture |
f/4.9 |
| Image circle |
48 mm |
| Focuser |
WIFD (WO INTERNAL FOCUS DESIGN)
Compatible with EAF |
| Focus travel |
0-23mm (Ruler to 30mm) |
| Optional Flattener |
No Flattener Required |
| Adapters |
N/A |
| Lens Material |
FPL-53 |
| Camera Format |
> Full Frame |
| T-Mounts Supported |
Canon EF/RF
Nikon F, Z
Sony E
Pentax K
MFT (M4/3)
FUJI X |
| Tube Length |
346 mm - 298 mm |
| OTA Weight |
1.77 g / 3.9 lbs |
| Total Weight |
2.38 kg / 5.25 lbs |
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