高桥FCT-100 OTA 介绍~
本帖最后由 steveyzh 于 2011-3-31 21:45 编辑http://www.astrosurf.com/ilizaso/Takahashi%20FCT-100/FCT-100-20.jpg http://www.astrosurf.com/ilizaso/Takahashi%20FCT-100/tube-fct.jpg
http://www.astrosurf.com/ilizaso/Takahashi%20FCT-100/FCT-100%20fokatzailea.jpg http://www.astrosurf.com/ilizaso/Takahashi%20FCT-100/FCT-100-21.jpg FCT 系列 1984/7/20-21: FCT-150 preproduction model at '84 telescope & binoculars spreading/displaying' exhibition.1985/3: New product FCT-76 tube announcement (76-487).1985/7: New product FCT-150 tube announcement (150-1050).1986/1: New product FCT-100 tube announcement (100-640).1986/7: New product FCT-65 tube announcement (65-320).1986/7/25-26: FCT-125 preproduction model at '86 telescope & binoculars spreading/displaying' exhibition.1986/10: Lenses becomes multiple coat on the FC and FCT series except fluorite lens.1986/12: Monthly astronomical January edition, 'FCT-65' test report.1987/3: New product FCT-125 tube announcement (125-705).1987/6: Astronomical guide 'New Face Test Report ', FCT-76.1987/9: Astronomical guide October edition, ' New Face Test Report ', EM-10 & FCT-100.1987/11/22-23: 'large only city' FCT-200 with EM-2000 equatorial mount at Yorii factory and the Nagoya showroom.1987/12: The FCT-76 is modified to rack and pinion focuser system.1988/1: Dark green paint becomes on light green paint on telescopes.1988/2: Monthly astronomical March edition, EM-10 & FCT-100 test report.1989/12: Astronomical guide January edition, ' New Face Test Report ', FC-125, FCT-125.1990/January to April: Fluorite gemstone crystal sale available at FC or FCT tube purchases.1991/10: New product FCT-200 tube announcement (200-2000).1992/6/25: FC and FCT series, also fluorite element becomes multiple coat.2000/2: New product FCT-250 tube announcement (250-2500).2002/11: New product FET-200 tube (Triplet Fluorite ED).2006/2: New product FET-300 tube announcement (300-2400).
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http://www.astrosurf.com/ilizaso/Takahashi%20FCT-100/FCT-100-5.JPG 本帖最后由 steveyzh 于 2011-3-20 01:06 编辑
ModelAperture(mm)Focal Lengthf RatioLt GraspResolutionLimit MagTube OD(mm)Tube Length(mm) Weight(kg)ImageCircle(mm)Image Field(degrees)Dew ShieldOD (mm)
FCT-6565320 / 2404.9 / 3.7861.8010.880400325 / 424.5 / 10.080
FCT-7676487 / 3456.4 / 4.51181.5411.295500340 / 554.7 / 8.2114
FCT-100100640 / 4606.4 / 4.62041.1711.81147905.754 / 654.8 / 8.2145
FCT-125125705 / 5605.6 / 4.53190.9412.31458801050 / 672.8 / 6.8166
FCT-1501501050 / 7507.0 / 5.04590.7812.716611502162 / 643.4 / 5210
FET-2002002000108160.5813.3256230062.165/ 2?
FCT-25025025001012760.4713.825629208565??
FET-3003002400818370.3914.2324290015065??
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