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Home Accessories Diagonals Telescope Diagonals For Astronomy Baader 2 Inch Zeiss Prism Diagonal BBHS
The Zeiss prism in the superbly crafted 2" diagonal provides simply the finest method of turning light at 90 degrees that we have experienced, far less scatter than is possible with any mirror with exceptional contrast and light transmission. Zeiss needs no introduction in terms of optical excellence, this is now combined in the Baader finely constructed body with the patented easy and secure clicklock clamp. At just 110mm light distance the back focus required is marginally less that of the majority of mirror diagonals. Features2" BBHS prism star diagonal (BaK4 glass) with 2" ClickLock clamp and black case. Provides greatest reflectance over most spectral range from 390 to 2000nm BBHS = Broadband Hardsilver coating with dielectric protective overcoating Much higher in brilliance than cheap dielectric coatingsWhat is so special?This is an expensive diagonal but it will provide breathtaking performance on the planets with it's superior control of light scatter and with normal care will last a lifetime without the risk associated with mirror surfaces with their oxidation and recoats. A choice for discriminating observers ideally coupled with premium apochromat refractors. Zeiss optics inside assure you of the finest possible corrections for a diagonal.Exclusively available on Baader Sitall Ceramic Mirrors and on selected Baader prism Star Diagonals: BBHS® reflection coatings predominantly are being utilised on our highest quality grade 2" BBHS diagonals. With this advance in coating technology our BBHS® coating lifetime equals that of a high quality AlSiO2 coating, matching the durability of standard aluminium coated diagonals (and telescope mirrors) which have been in wide use for many years. The BBHS® spectral bandpass is much wider though, when comparing with our 50 layer all dielectric coatings utilized on the 2" ClickLock Star Diagonals. The all dielectric coating system on the 2" ClickLocks.IncludedCarl Zeiss 2" Prism with Baader 2" diagonal body and clicklock clamp