William Optics Fluorostar 132
Best premium refractor for serious astrophotographers seeking sharp, high-contrast deep-sky images.
A high-end triplet refractor that prioritizes optical purity and mechanical rigidity for demanding astrophotographers. It delivers razor-sharp, color-free images, though its substantial build requires a sturdy mount to fully realize its potential.
$4998.00
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Performance breakdown
Color Correction
FPL-53 glass virtually eliminates chromatic aberration for pristine, true-to-life images.
Imaging Stability
The massive 3.7-inch focuser handles heavy camera rigs without any slippage.
Optical Contrast
Triplet design delivers deep, high-contrast views of faint deep-sky objects.
Build Robustness
Premium materials and precise engineering ensure long-term durability in the field.
Versatility
Equally capable for wide-field astrophotography and detailed planetary visual observation.
Portability
Substantial size requires a sturdy mount, though the case aids transport.
Key Specs
Aperture
132 mm
Focal Length
910 mm
Focal Ratio
f/6.9
Optical Design
Apochromatic Triplet
Focuser Size
3.7 inches
Glass Type
FPL-53
Optical Coating
Fully Multi-Coated
Intended Use
Astrophotography, Visual Astronomy
Included Accessories
Carry Case
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