GuideStar 61 APO
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.
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- Lens Type
- Doublet Apochromatic Prime Lens
- Focal Length
- 360 mm
- Diameter
- 61 mm
- Aperture
- f/5.9
- Image circle
- 42 mm
- Focuser
- Adapter Included
- M54 → 2" Visual Back
- Optional Flattener
- FLAT 61A 1.0x
- FLAT 61R 0.8x
- Camera Format
- Full Frame
- APS-C
- M4/3
- Tube Length
- 340 mm
- OTA Weight
- N/A
- Total Weight
- 1.44 kg / 3.17 lbs
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