William Optics Fluorostar 91 Refractor Telescope With Ultra Flat-91 Package
William Optics Fluorostar 91 With Ultra Flat-91
Introducing the William Optics FLT91, a precision-engineered apochromatic triplet refractor designed for discerning astronomers and astrophotographers. This mid-sized telescope features a 91mm aperture with FPL-53 glass, delivering sharp, high-contrast images and an impressive Strehl ratio exceeding 0.95.
Equipped with user-centric features, the FLT91 includes an integrated saddle handle, a 360º field rotator, a dual-speed 3.3" Rack & Pinion focuser, and a 2" Rotolock system. These enhance usability and provide stability for both visual and photographic applications.
Astrophotographers will find the built-in Bahtinov mask invaluable for achieving perfect focus effortlessly. Compatible with the Flat6A III and Flat68 III, the FLT91 allows precise back-focus adjustments.
Constructed with William Optics' signature quality, the FLT91 is both lightweight and durable, weighing 4.2 kg and 5.6 kg fully equipped. It comes with a soft carry case for easy transportation and protection.
Ideal for capturing celestial phenomena, the William Optics FLT91 is a top choice for those seeking advanced optical performance in a portable package
This Bundle Includes New Generation Ultra Flat 91 0.8x Reducer/Flattener Better Optimized For Full Frame Imaging Than Original Flat 6AIII. If You Only Using APSC FLat 6AIII Will Be Good Choice
Specifications
- 91mm Aperature
- Apochromatic Triplet Prime Lens APO Refractor
- FPL53 Synthetic Flourite Glass
- Fully Multi-Coated
- F/5.9 Focal Ratio
- 540mm Focal Length
- 3.3'' R&P Focuser
- 4.165Kg Weight
Included Items
- William Optics FLT 91 Triplet APO Refractor
- Ultra Flat-91 0.8x Reducer/Flattener
- Bathinov Mask
- Vixen Dovetail Bar
- Top Handle With Vixen Saddle
- Visual Extension Tube
- Carrying Case