![]() ![]() Technical InformationTeleskop-Service has collected a lot of helpful information about refractors and provided it in English as a PDF file: Refractors ♦ Recommended distance from the M48 connection thread of the corrector to the chip: 55 mm.Īstrophotographic results obtained with this telescope on AstrobinHere you can find some astrophotographs made with this telescope model: Link to Astrobin ♦ The focal length is reduced to 728 mm, the focal ratio improves to f/5.6. ♦ The corrector is calculated for the 130mm f/7 apo. TS 0,8x PHOTOLINE Reducer and corrector - TSRedM63-130 ♦ Recommended distance from the M69 connection thread of the corrector to the chip: 88 mm. TS 2.5" full frame size corrector and image field flattening - TSFLAT2.5 Recommended correctors for astrophotography: ![]() The lens is not cemented, the lenses are separated by air gaps. The multi-coated lens is stored in a temperature-compensated cell. ♦ Self-centering eyepiece and accessory adapter for 2" and 1.25"įor this telescope, we deliberately chose the high-quality FPL53 as the material for the Apo element in order to offer the best possible optical quality. ♦ Adjustment via rack and pinion - no friction - no yielding as with the Crayford focuser The illumination of the focuser is sufficient for full-frame size sensors. The focuser holds camera-side accessories up to about 5 kg without causing tilting. The 2.5" RAP focuser is a good alternative to the well-known Starlight FeatherTouch FTF25 - with a quality that is very close to this focuser. ♦ An extension piece with M95x1 threaded connection can be unscrewed, thus increasing the working distance from 123 mm to 213 mm. ♦ Sturdy aluminium tube with internal baffles ♦ Direct M68 and M63 thread connection for correctors and reducers ♦ 2.5" RAP Photoline dual-speed rack and pinion focuser - carries accessories up to 5 kg ♦ Temperature compensated, fully adjustable cell ♦ Triplet lens with air gap - apo element made in Japan by Ohara A solid metal tube and the PHOTOLINE RAP 2.5" deluxe focuser with rack and pinion drive make this apochromat a recommendation for the dedicated astrophotographer and the observer.Īdvantages and features of the PHOTOLINE 130-mm-F7-Apo: The lens, free from chromatic aberration, is mounted in a temperature-compensated cell that also compensates for sub-zero temperatures. The 130 mm f/7 triplet refractor is equipped with one of the best lenses in its class. Telescope-Service stands on uncompromising optical and mechanical quality with the PHOTOLINE APO series. ![]()
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