Astro Shop
Description
Technical Specifications
Lens Type : Apochromatic Triplet Prime Lens
Focal Length : 540mm
Diameter : 91mm
Aperture : f/5.9
Focuser : Dual Speed 3.3″ R&P Focuser
Color : Red|Space grey
Lens Material : FPL-53
Strehl Ratio : 0.95+
Camera Format : Full Frame DSLR / Mirrorless / CMOS / CCD
Test Report : Zygo test report available at additional cost
T-Mounts Supported : Canon EF, RF Nikon F, Z Sony E Pentax K Micro Four Thirds (M4/3) FUJI X
Retracted Length : 441mm
Extended Length : 510mm
Extension Tube Length : 40mm
OTA Weight : 4.165Kg
Total Weight : 5.575Kg
Extension Tube Weight : 0.105Kg
Attachment
Additional information
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