William Optics

Fluorostar 156 f/7.8 APO

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  • Regular price $7,398.00

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A premium apochromatic refractor designed for both avid stargazers and serious astrophotographers. This telescope features a 156mm aperture and a 1217mm focal length (f/7.8), engineered for precision and durability. The Fluorostar 156 APO excels in delivering crisp, color-corrected visuals, thanks to its advanced triplet lens system incorporating FPL-53 glass and a Lanthanum element.

Robust and reliable, the telescope boasts a sturdy steel objective cell that mitigates thermal expansion and maintains alignment under varying temperatures, ensuring consistent high performance. Aesthetically, it is available in three stunning finishes: vibrant red, elegant gold, and modern space grey, each complementing the sleek white tube.

For those eager to capture the cosmos, the Fluorostar 156 APO is equipped with a 3.7" Rack & Pinion Focuser for seamless, precise focusing adjustments. This model comes standard with a unique Bahtinov Mask integrated into the dust cover for flawless focusing, three anodized CNC-made tube rings, and a robust Losmandy-type dovetail bar for secure mounting and enhanced versatility.

Whether exploring celestial wonders or capturing them for posterity, the William Optics Fluorostar 156 APO stands as a superior choice for dedicated astronomers.

Lens Type
Triplet Apochromatic Prime Lens
Focal Length
1217 mm
Diameter
156 mm
Focal Ratio
f/7.8
Image circle
> 44mm
Focuser
3.7" R&P Focuser Compatible with EAF
Focus travel
99 mm
Adapter Included
M92 Rotator M92 → 2" RotoLock
Optional Flattener
FLAT68III 1.0x FLAT7A 0.8x Ultra Flat 0.79x FLAT8 0.72x
Camera Format
Full Frame APS-C M4/3
Tube Length
1120 mm - 1330 mm
OTA Weight
17 kg / 37.48 lbs
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