William Optics FLT Fluorostar
Top Pick
William Optics

William Optics FLT Fluorostar

4.7

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

In stock

at

Agena AstroProducts

Aperture Mm 132
132
156
Focal Length Mm 910
Mount Type Losmandy D-style
Optical Design Refractor

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.

Excellent

Build Integrity

CNC-machined aluminum construction ensures a robust, plastic-free professional feel.

Excellent

Focuser Precision

The 3.7-inch rack-and-pinion system handles heavy imaging gear with ease.

Excellent

Astrophotography Versatility

Perfectly optimized for deep-sky imaging with precise framing capabilities.

Excellent

Setup Convenience

Integrated Bahtinov mask and mounting hardware streamline the alignment process.

Excellent

Portability

Retractable dewshield helps, but the 9kg weight requires a sturdy mount.

Good

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

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William Optics FLT Fluorostar

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Agena AstroProducts
Agena AstroProducts
In stock
$4998.00
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