♦ Adjustment range of the drawtube: 100 mm ♦ Adjustment via gear rack - no friction - no yielding as with the Crayford focuser The large dimensioned focuser also allows the use of full format and large format cameras without vignetting, of course with the appropriate correctors. The 3.7" RPA focuser - ball bearing mounted:Ī highlight of the telescope is certainly the modern "rack and pinion" focuser with cograil adjustment and ball bearings. ♦ 100 mm long spacer between focuser and tube screwed with M123x1 thread on both sides ♦ Convenient carrying handle and GP/EQ5 style dovetail on one side and a Losmandy style dovetail bar on the other one ♦ Sturdy aluminium tube with internal baffles against stray light ![]() ♦ 3.7" Photoline RPA rack and pinion duial-speed focuser - hods accessories up to 8 kg with 360° rotation ♦ Temperature compensated, fully-adjustable cell ♦ Air-spaced triplet lens - apo element from FPL53 by Ohara This means that CCD cameras with large sensors can also be used and with all common correctors even for full-frame format.Īdvantages and features of the PHOTOLINE 130 mm F7 Deluxe Apo: The powerful lens is very popular especially with astrophotographers, so we now offer this apo with the large 3.7" RPA focuser. The objective lens without chromatic aberrations is mounted in a temperature-compensated cell that also compensates for minus temperatures. For the apo element the proven FPL53 from Ohara (Japan) is used. The 130 mm f/7 apo triplet refractor is equipped with one of the best objectives in its class. You can also check out a free sample issue here.Photoline 130 mm f/7 Deluxe Apochromat - a refractor without compromise Click here to get these deals which only will be available for a very limited time. – Connection to eyepiece: 1.25″, 2″, M68x1 female thread, M92x1 female threadĪnd to make it easier for you to get the most extensive telescope and amateur astronomy related news, articles and reviews that are only available in the magazine pages of Astronomy Technology Today, we are offering a 1 year subscription for only $6! Or, for an even better deal, we are offering 2 years for only $9. – Focuser: 3.7″ RPA Photoline focuser with dual speed transmission – Back focus: Length 100 mm – removable – this extends the working distance to 240 mm. The TS-Optics Photoline Apo specifications include: The Photoline 155mm Apo package includes the OTA, Losmandy style dovetail bar, optics test certificate and a transport case. The corrector provides illumination up to 44mm image circle diameter. It reduces the focal length to 917mm and improves the focal ratio to f/5.92. – TSAPORED075 – 0.74x corrector: The corrector is screwed to the M92 thread of the focuser with the adapters # OAZ3-Flat25 and # M68a-M68a. ![]() The corrector provides illumination up to 42mm image circle diameter. ![]() It reduces the focal length to 992mm and improves the focal ratio to f/6.4. – TSRedJM63B – 0.8x corrector: The corrector is screwed to the focuser with an extension adapter #M68a-M63i. The corrector provides illumination and correction up to 60mm image circle diameter. – TSFLAT3 – 1.0x corrector: The corrector is screwed directly onto the M92 thread of the focuser. The TS-Optics Photoline Apo can be combined with all suitable correctors. This even allows the use of binoviewers without glass path compensation. There is a generous working distance of 140 mm from the 2″ receptacle, which can be further extended by a removable segment between the tube and focuser. The drawtube is ball bearing mounted for precise adjustment even under extreme loads such heavy cameras. ![]() The telescope comes with a high end 3.7″ focuser with rack and pinion drive. It incorporates a lens cell that offers adjustment stability as the cell is adjustable via pull and push screws. The TS-Optics Photoline Apo features an apochromatic triplet lens with FPL55 glass as the apo element and additional special Lanthanum glass for even better chromatic correction. The telescope offers an inexpensive entry into the world of really big refractors and is available from APM Telescopes for $4,750US. The TS-Optics Photoline Apo is a 155mm f/8 FPL55 Triplet Apochromat that is the largest apo available from Teleskop-Service.
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