APM MAk Cass 275mm f14 17,900 eur

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APM MAk Cass 275mm f14 17,900 eur

#1

Post by notFritzArgelander »


https://www.apm-telescopes.de/de/lagerl ... nfo=362567

The ad is translator per: https://www.facebook.com/apmtelescopes/ ... __tn__=K-R
APM Maksutov Cassegrain 275 mm f/14 Telescope; APM has 1 pc Telescopes Maksutov Cassegrain 275 mm f/14 with small C.O., very light weight and fast cool down time, Optics from INTES MICRO, mechanics from Matthias Wirth , for sale the optical design was ordered and made by the famous Astrooptik Dipl. Ing. Physics Philipp Keller . The high quality quarz material for the mirrors is from USA, polished by INTES MICRO in Russia. Our requirements for the optics has been to be better than 1/8 wavefront p.t.v. for the complete system proofed by Zygo Testreport Telescope parameters: Coatings for Meniscuslens : broadband multicoating optical diameter in use of meniscuslens 275 mm optical diameter in use of primary mirror 295 mm photo-visuel central obstruction include baffle : 25 % of diameter ( for imagers near straylight places we supply a second baffle with 33 % C.O. which can be fittet in a minute ) Back focus can be settet by quick focus at secondary mirror from 60 yards to infinity for any accessorie ( very wide range possible ) Focuser: 2" Starlight Feather Touch Focuser image circle at focus : 45 mm diameter meniscuslens comes with dew shield mirror cooling fans comes with 9~12 Volt connection primary mirror has 3 sets of push pull screws for collimation meniscuslens has 6 volt heater tube diameter 360 mm; tubelength 700 mm; flexible dew shield; secondary mirror has 3 spring loadet screws for collimation weight complete optical tube with focuser, dovetail, handle, dew shield 21 kg = ~ 46 lbs we have in total 1 new Telescope left, which has white tube color

Item condition: new, but not original packed
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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Re: APM MAk Cass 275mm f14 17,900 eur

#2

Post by Lady Fraktor »


At first I thought this was Markus Intes Mak then realized it is a 10", I wonder where he had this hidden!
See Far Sticks: Antares Elita 103/1575, AOM FLT 105/1000, Bresser BV 127/1200, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS100/1000, Vixen SD115s/885
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Re: APM MAk Cass 275mm f14 17,900 eur

#3

Post by notFritzArgelander »


Lady Fraktor wrote: Fri May 01, 2020 4:45 pm At first I thought this was Markus Intes Mak then realized it is a 10", I wonder where he had this hidden!
Looks like a one off. US optical materials, Intes Micro figuring, German mechanics. A special order gone sideways?

I would drool but will restrain myself. :)
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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