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This three-lens apochromat with FPL-53 element and STM coating delivers color-pure, crisp images! Stars are pin sharp points, bright objects like moon and planets show no color fringes, but a lot of details!
Characteristics: 3 lens Apochromat with FPL-53 element Aperture132mm, focal lenght 910mm, f/6.9 Optimized OTA Attachable WO flatteners / correctors 3.3" R&P focuser Field illumination even for full frame sensors 5490.00 € Delivery date : 3-4 weeks
The APO refractor Fluorostar has a three-lens air-gap objective using the ED special glass FPL-53 from Ohara, Japan, and glass made of lanthanum.
Characteristics: 3 lens air spaced FPL-53 / lanthanum design Aperture156mm, focal lenght 1217mm, f/7.8 Optimized OTA Attachable WO flatteners / correctors 3.7" R&P focuser Field illumination even for full frame sensors 8449.00 € Delivery date : 3-4 weeks Discover the universe in breathtaking clarity with the William Optics Fluorostar 120 Telescope! Key data: High quality 3 lens optics with FPL53 lenses CNC tube Massive 3.3" R&P focuser with 1:10 reduction ratio Focal length 780mm Aperture 120mm Focal ratio f/6.5 APS-C and Fullframe Format 4790.00 € Delivery date : 3-4 weeks The FLT 91 is the perfect apochromatic refractor for visually and photographically observing astronomers who demand the most from a medium-sized telescope. Three-element design with FPL53 glass 91 mm aperture, 540 mm focal length Rack and pinion focuser with gear reduction and "Rotolock" clamp Field rotator with degree markings and position lock Prism rail according to Vixen standard Versatile handle with Vixen standard finder shoe William Optics' patented Bahtinov mask 3190.00 € Delivery date : 3-4 days