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!
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