Master Precision Imaging with the William Optics GuideStar 61

Elevate your astrophotography with the William Optics GuideStar 61, designed exclusively for high-quality imaging and precision guiding. Featuring the acclaimed FPL53 ED doublet lens, identical to that in the Zenithstar 61, this telescope ensures sharp, high-contrast images with virtually no false color, making every capture exceptionally clear.

The GuideStar 61 boasts a lightweight optical tube for enhanced portability, coupled with a practical draw-tube (push-pull) focuser and rotating lens assembly for meticulous focusing. Ideal for serious astrophotographers, it supports a variety of setups with options like the Adjustable Flattener for ZS61 and a new 0.8x Reducer/Flattener, optimizing it for detailed wide-field imaging.

Constructed with precision from CNC machined aluminum, the GuideStar 61 offers a robust yet elegant design. It comes equipped with a Vixen/Synta-style finder dovetail rail for easy attachment of finder scopes, and a soft carry case for protection on the go.

Whether used as a guide scope or a portable imaging telescope, the GuideStar 61 is a crucial tool for any astrophotographer looking to enhance their night sky observations.

Specifications

• Lens Type: Doublet
• Focal Length: 360mm
• Diameter: 61mm
• Aperture: f/5.9
• Image circle: 42mm
• Optional Flattener: FLAT 61A 1.0x, FLAT 61R 0.8x
• Adapters: N/A
• Lens Material: FPL-53
• Camera format: >full frame
• T-mounts supported: Canon EF/RF, Nikon F/Z, Sony E, Pentax K, Micro 4/3rds, FUJI X
• Tube length: 340mm
• Total weight: 1.44 kg / 3.17 lbs