CFF Telescopes Premier 200mm f8 Oil Spaced Triplet …?

CFF Telescopes Premier 200mm f8 Oil Spaced Triplet …?

WebM33 HaRGB OSC+NB Filter ( FIRST LIGHT of my CFF Refractor) Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9483 · IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel Web1 - 180mm f/7 apo refractor. This large apochromatic refractor, offered by several reputable manufacturers, comes in two main flavors: either with air-spaced, or oiled triplet objective. ... 14-CFF 200mm f/6.5 APO TRIPLET. … black falcon management services WebMay 18, 2016 · This yields 88% transmission. This corresponds to the light transmission of an unobstructed 7.51" refractor with perfect transmission. In reality, an air-spaced doublet has 4 surfaces with (ideally) 0.2% loss, or 0.8% total. Modern optical glasses have very low transmission losses, so these losses can be ignored. WebOilspaced APO Refractor Optics made in Hungary - designed by Pal Gyulai - GPU Optical - Reflector Optics made in Romania by Octavian Stanescu - High end telescopes made in … black falcon font WebApr 17, 2012 · Page 1 of 2 - CFF 200mm F6.5 #001 has arrived - posted in Refractors : The first CFF 200mm F6.5, serial number 01, has finally … WebFor this model this is the 3 inch Starlight Feathertouch unit. Triplet APO Objective – oil-spaced: – Minimum guaranteed Strehl of 0.96. – Correction is done for 555nm – 560nm (human eye peak sensitivity) – All our lenses are multi-coated. Transmission is 99.5% over visual spectrum. – All lenses are aspheric type – include one ... black falcon dream meaning Web200mm Refractor optical tube assembly lens by Zeiss AS200/2500 with test report showing exceptionally smooth figure and strehl of 98.9%, 1/14th wave pv. This lens was made as a reference optic by Zeiss and sold on …

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