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the AM7's custom harmonic drive is designed for smooth
Made from aircraft-grade aluminum
it is not a defect
as well as opto-mechanical errors or flexure
The Shorty's 2x amplifier lens is an achromatic glass doublet that is multi-coated with anti-reflection coatings to ensure excellent light transmission
ZWO 110mm Quad APO Refractor Edge HD the AM7's custom harmonic driveLightweight, compact, and engineered for both immersive visual observing and high performance astrophotography. *Focus can be achieved within a back focus range of 4273 mm, measured from the M54M48 interface shoulder. MAIN FEATURES Flexible Connectivity for Multiple Configurations Uniqueness 1.) Four Element Optical Design The FF110 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a
US$ 271.50
US$ 11.20
US$ 19.99
