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I've only got an f4 and don't know what other issues you'd get if you used this on an f5, but there are f5 coma correctors out there. The apo element is the proven FPL53 from Ohara (Japan). It was a bit of a pain getting the correct back focus (the distance from the camera side of the corrector and the imaging sensor) taking into account that you need to add approximately 1/3 the thickness of any optical elements in between (all my filters are 2mm so I needed 25.66mm) I've managed to get to 25.7mm so only 0.04mm out. The 130 mm f/7 triplet refractor is equipped with one of the best lenses in its class. Stars are now nice little points so it's doing it's job well, as far as I can tell at this stage. There are cheaper ones out there but you get what you pay for. Getting started I thought I could get by without for a while but even before I had my imaging train fully completed, I was seeing some truly horrible coma which was also causing me problems focussing, and only the centre 1/5 of the image was even passable. ![]() ? Recommended distance from the M48 connection thread of the corrector to the chip: 55 mm.Hi, yes I have a " SkyWatcher F4 Aplanatic Super Coma Corrector" it's optimised for f4 which matches my OTA. ![]() ? The focal length is reduced to 728 mm, the focal ratio improves to f/5.6. #TS PHOTOLINE 130MM SERIES#TS 0,8x PHOTOLINE Reducer and corrector - TSRedM63-130 ? The corrector is calculated for the 130mm f/7 apo. Meade Series 6000 130mm f/7 ED Triplet APO Refractor Telescope - 2.5' Dual-Speed 10:1 Rack & Pinion Focuser - Aluminum Hard Carrying Case - Vixen-Style Dovetail - Mounting Rings - Dew Shield - Meade 1 Year Limited Warranty. ? Recommended distance from the M69 connection thread of the corrector to the chip: 88 mm. #TS PHOTOLINE 130MM FULL#Recommended correctors for astrophotography: TS 2.5' full frame size corrector and image field flattening - TSFLAT2.5 ? The focal length is not changed. The lens is not cemented, the lenses are separated by air gaps. The multi-coated lens is stored in a temperature-compensated cell. ? Adjustment via rack and pinion - no friction - no yielding as with the Crayford focuser ? Self-centering eyepiece and accessory adapter for 2' and 1.25' The lens of the PHOTOLINE 130 mm F7 apo: For 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. 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 new PHOTOLINE RPA 2.5' deluxe focuser - in elegant WHITE: 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. Advantages and features of the PHOTOLINE 130-mm-F7-Apo:*] ? Triplet lens with air gap - apo element made of FPL53 by Ohara ? Temperature compensated, fully adjustable cell ? 2.5' RAP Photoline dual-speed rack and pinion focuser - carries accessories up to 5 kg ? Direct M68 and M63 thread connection for correctors and reducers ? Sturdy aluminium tube with internal baffles ? An extension piece with M95x1 threaded connection can be unscrewed, thus increasing the working distance from 123 mm to 213 mm. A solid metal tube and the new PHOTOLINE RAP 2.5' deluxe focuser with rack and pinion drive make this apochromat a recommendation for the dedicated astrophotographer and the observer. #TS PHOTOLINE 130MM FREE#The lens, free from chromatic aberration, is mounted in a temperature-compensated cell that also compensates for sub-zero temperatures. Doesnt have a case as was not shipped with one (and I believe I have thrown out the cardboard box) therefore probably prefer local sale (up to 2.5 hours from Gold Coast - Coomera) but will ship if someone want (just might take me time to. #TS PHOTOLINE 130MM PLUS#The apo element is the proven FPL53 from Ohara (Japan). TS Photoline 130mm f7 FPL-53 triplet plus sundry items (Price Drop) Selling this wonderful scope as is. 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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