Svbony 1.25" 3-8mm Zoom Lens Telescope Eyepiece The MaxFR filters are built

The MaxFR filters are built using advanced MFR Coating technology to block out-of-band wavelengths while providing excellent contrast

Enhanced Quantum Efficiency

it significantly reduces setup time and allows imaging sessions to begin much faster

ensuring perfect images with your instruments

With an ultra-low profile and patented zero-flexure magnetic structure

Svbony 1.25" 3-8mm Zoom Lens Telescope Eyepiece The MaxFR filters are builtThe apparent field of view and the usable eye relief to stay the same as the focal length changes. Smooth zoom action with click stops at 3, 4, 5, 6,7 and 8mm for quick changes to precise preset magnifications. Parfocal across the entire zoom range (minor tweaking may be necessary, however.