WILLIAM OPTICS ZENITHSTAR 81 WIFD
Explore the universe with the William Optics ZenithStar 81 WIFD, a premium refractor telescope that offers unparalleled optical precision with its innovative Internal Focus Design (WIFD). Perfect for astrophotography and visual observations, it features a patented internal focusing mechanism that keeps optics perfectly aligned, even with heavy cameras.
Available in vibrant red or elegant gold, the ZenithStar 81 WIFD boasts a compact and durable build. Enhance your viewing with optional accessories like the Flat6aIII, a 0.8x reducer for broader celestial views, and the 50mm Uniguider for improved tracking accuracy during long exposures.
With its refined internal focuser, this telescope provides smooth, precise adjustments for consistently sharp images. Whether capturing distant galaxies or observing planetary details, the ZenithStar 81 WIFD is an excellent choice for serious astronomers.
SPECIFICATION :
- Lens Type: Doublet Apochromatic Prime Lens
- Focal Length: 559 mm
- Diameter: 81 mm
- Aperture: f/6.9
- Image Circle: 45 mm
- Focuser: WIFD (WO Internal Focus Design), compatible with EAF
- Optional Flattener: FLAT 6AIII 0.8x
- Adapters: N/A
- Lens Material: FPL-53
- Camera Format 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: Adjustable, 526 mm – 607 mm
- OTA Weight: 3.55 kg (7.82 lbs)
- Total Weight: 4.56 kg (10.05 lbs)
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