William Optics RedCat 51 II APO 250 mm f/4,9 v2 (SKU: L-RC51II)

Introducing the Red Cat 51, an innovative creation by Taiwanese manufacturer William Optics. This compact apochromatic tube offers remarkable potential in the realms of Deep Sky astrophotography and nature photography.

Technical Specifications

• Optics: Built with a Petzval design comprising 4 elements in 3 groups, the Red Cat 51 combines Apo with FPL-53 Ohara and FPL-51 glass.

• Lens Diameter: With a lens diameter of 51 mm, it captures a substantial amount of light for breathtaking images.

• Focal Length: The Red Cat 51 boasts a focal length of 250 mm, allowing for versatile shooting options.

• Aperture: Illuminated at f/4.9, this device provides excellent light-gathering capabilities.

• Tube: The Red Cat 51 features a sturdy aluminum tube that ensures durability and reliability.

• Focus: The manual focus can be adjusted using the helical lift with rotation/cropping mechanism, offering precision and control. Additionally, a dedicated Bahtin mask is included for accurate star focusing.

• Mounting: The tube is equipped with an M48 mount at the end, designed exclusively for astrophotography purposes, with no eyepiece output.

• Filter: A 2" (M48) filter mount in the exhaust rotator allows for convenient filter usage.

• Matrix Coverage: The Red Cat 51 is compatible with full-frame and APS-C cameras, covering an area of over 44 mm in diameter.

• Camera Compatibility: It supports cameras with M4/3 mount, Nikon, Canon, Sony Alpha, and Pentax systems, catering to a wide range of photographers.

• Accessories: The Red Cat 51 comes with a sun visor/dew shield to enhance image quality in varying lighting conditions.

• Tripod Mount: It features a Vixen/Arca Swiss dovetail tripod mount, offering flexibility and stability. The package includes a two-mode mount.

• Working Length: With a working length of 225 mm, the Red Cat 51 offers versatility in positioning and shooting angles.

• Weight: Weighing just 1.47 kg, it is a lightweight and portable option for astrophotographers and nature enthusiasts.

• Transport: The Red Cat 51 is conveniently packaged with a transport bag featuring a spongy filling, ensuring protection during travel.

For more information about the Red Cat 51, visit the manufacturer's official website at williamoptics.com/redcat-51.

Warranty

The Red Cat 51 is backed by a 24-month warranty, providing customers with confidence and peace of mind.