William Optics FLT Fluorostar
Best high performance refractor for serious astrophotography enthusiasts.
This triplet apochromatic refractor delivers exceptional color correction and sharpness, making it a top-tier choice for serious astrophotographers. Its robust, all-metal construction and high-precision focuser provide the stability needed for long-exposure imaging, while the included accessories ensure you are ready for the field immediately.
$4998.00
at
Agena AstroProducts
More Fluorostar options
Who it's for
- Astrophotographers seeking professional-grade clarity and high-contrast celestial images
- Serious observers who value mechanical precision and long-term equipment durability
- Visual astronomers wanting a high-performance all-around refractor for diverse targets
Who should skip it
- Mobile observers who prioritize lightweight setups for quick travel
- Budget-conscious hobbyists looking for an entry-level introduction to astronomy
- Impatient users wanting to start high-magnification viewing immediately after setup
Performance breakdown
Optical Clarity
FPL-53 glass delivers stunning, color-corrected views with exceptional sharpness.
Build Integrity
CNC-machined aluminum construction ensures a robust, plastic-free professional feel.
Focuser Precision
The 3.7-inch rack-and-pinion system handles heavy imaging gear with ease.
Astrophotography Versatility
Perfectly optimized for deep-sky imaging with precise framing capabilities.
Setup Convenience
Integrated Bahtinov mask and mounting hardware streamline the alignment process.
Portability
Retractable dewshield helps, but the 9kg weight requires a sturdy mount.
Key Specs
Focal Length
910mm
Aperture
132mm
Focal Ratio
f/6.9
Objective Type
3 elements, Air-spaced, FPL-53
Resolving Power
0.86"
Limiting Magnitude
14.5
Focuser
3.7 inches R & P
Tube Diameter
141mm
Tube Length (Retracted)
78cm
Tube Length (Extended)
104cm
Know before you buy
Still have a question?
Ask Metto anything about the William Optics FLT Fluorostar before you decide.