William Optics RedCat 51 APO 250mm f/4.9 Petzval Telescope

Discover the ultimate portable astrophotography tool with the William Optics RedCat 51 APO 250mm f/4.9 Petzval telescope. Designed with the avid astrophotographer in mind, this compact yet powerful telescope delivers exceptional image quality at an affordable price.

Unmatched Optical Performance

With its 51mm aperture, high-quality FPL-53 and FPL-51 glass elements, and Petzval optical design, the RedCat 51 ensures a flat field and stunning image clarity. Compatible with full-frame cameras, it’s perfect for capturing celestial wonders in incredible detail.

Precise Focusing for Astrophotography

The RedCat 51 features a helical focuser for precise and smooth focusing, making it ideal for photography. Its field rotator comes equipped with a scale, enabling accurate mosaic shots for expansive views of the night sky.

Easy Camera Mounting and Compatibility

The built-in M48 thread allows easy attachment of most camera models, making the RedCat 51 a versatile choice for photographers. Additionally, the Vixen-style dovetail ensures quick mounting to both astronomical mounts and photo tripods.

Enhanced Design and Durability

In October 2019, the RedCat 51 was enhanced for even better performance. While the improvements come with a slight price increase, the RedCat remains an exceptional value. Looking for a larger version? Check out the RedCat 71 for even more optical power.

What's Included in the Package

• William Optics RedCat 51 APO 250mm f/4.9 Petzval telescope
• Protective carry bag
• Vixen-style dovetail for mounting
• M48 thread for camera attachment
• Bahtinov mask built into the cover cap for easy focusing

Embark on extraordinary astrophotography adventures with the William Optics RedCat 51 and capture the universe like never before!