Zenithstar 61 II APO
Unleash your passion for the cosmos with the compact and powerful William Optics ZenithStar 61 II APO Refractor. Featuring top-notch Ohara FPL-53 ED glass, this telescope delivers clear, high-contrast images with minimal color aberration. Ideal for astrophotography and wildlife viewing, it boasts a quick f/5.9 focal ratio for broad, detailed sky scans.
Designed for portability and practicality, the ZenithStar 61 is equipped with a Vixen dovetail for easy mounting and a handle bar for convenient transport and setup. Its CNC machined aluminum body, available in Red, Gold, or Space Grey, houses a dual-speed 2" focuser for precise adjustments.
Enhanced with a Bahtinov Mask cap for sharp focusing and a soft case for effortless transport, this telescope is perfect for adventurers and stargazers alike.
Pairs well with
- Lens Type
- Doublet Apochromatic Prime Lens
- Focal Length
- 360 mm
- Diameter
- 61 mm
- Focal Ratio
- f/5.9
- Image circle
- 45 mm
- Focuser
- 2" R&P Focuser
- Compatible with EAF
- Adapter Included
- 2" → 1.25" Visual Back
- Optional Flattener
- FLAT 61A 1.0x
- FLAT 61R 0.8x
- Camera Format
- Full Frame
- APS-C
- M4/3
- Tube Length
- 245 mm - 315 mm
- OTA Weight
- 2.2 kg / 4.85 lbs
- Total Weight
- N/A
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