WILLIAM OPTICS 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.
Technical Specifications 
Feature |
Details |
Lens Type |
Doublet |
Lens Material |
FPL-53 |
Focal Length |
360 mm |
Diameter |
61 mm |
Aperture |
f/5.9 |
Image Circle |
42 mm |
Focuser |
Not specified |
Optional Flattener |
FLAT 61A 1.0x, FLAT 61R 0.8x |
Adapters |
N/A |
Camera Compatibility |
Full Frame and larger |
T-Mounts Supported |
Canon EF, RF
Nikon F, Z
Sony E
Pentax K
MFT (Micro Four Thirds)
FUJI X
|
Tube Length |
340 mm |
OTA Weight |
Not Available |
Total Weight |
1.44 kg (3.17 lbs) |
REVIEW of WILLIAM OPTICS GUIDESTAR 61 APO RED 👇