最初由 tzdb 发表
[B]FLT 110 F/6.5 FLUORO STAR 三枚玉萤石APO高性能望远镜
价几何(含税)?时间几月?
我就怕交完钱后漫长的等待!
有效口径: 110mm
焦 比: F/6.5
焦 距: 715mm
光学系统: 3 片超低色散折射式(oil-spaced)
解 像 力: 1.05”
极限星等: 12.0
遮光罩形式: 可伸缩式遮光罩
对 焦 座:高精度4吋齿条式对焦座(具360度像场回转装置)
2”转1.25" 转接环: 标准配件
携带外箱: 专用高级铝箱
筒 箍 环: 115mm 筒箍环
镜筒外径: 115mm
镜筒长度:585 mm遮光罩完全后缩状态
镜筒重量: 6.5 kg
专用铝箱尺寸: 68.5cm x 23cm x 22cm
最低價:26000
如有預算,買SUPER APO更好! RMB36000
Entrance pupil diameter 130mm (5.1")
Focal length 910mm ±2mm
F/number F/7
Optical scheme 4-element SuperAPO lens, with components oiled in pairs.
Cell type Thermocompensated, push-pull attachment to the tube
Internal collimation By 3 "coma adjustment screws" on the cell body
Optical quality Wavefront error less than 0.166 lambda (546.7nm) peak-to-valley
Spectral range of diffraction-limited image 435mn - 700nm
Coating Multicoated
Lens weight 4.4kg approx.
Optical quality: 0.166 p.t.v., 0.035 r.m.s. |