dingye 发表于 2007-5-13 11:47

部分目镜的光通率

Eyepiece450 nm500 nm550 nm600nm650 nmbest transmission3-element-eyepiecesZeiss 25mm 54°96.4898.1798.3698.2297.4898.41at 542 nm4-element-eyepiecesZeiss A-6 mm93.4695.7796.2096.1595.1796.40at 544 nmPentax O-6 mm95.6196.5297.3497.8697.8798.23at 616 nmSynta PL 6.392.9394.9695.5296.0796.3096.37at 642 nmPentax O-7 mm92.8494.9496.6797.3996.9197.52at 606 nmKasai Ortho 7mm94.3895.4695.4795.4694.8995.56at 604 nmZeiss A-10 mm94.5195.9696.7797.2596.6797.79at 550 nmKasai Or-9mm94.3796.1796.1796.7296.6896.90at 574 nmNikon 12.5mm87.7993.3595.3495.3794.6195.72at 574 nmSynta PL-10mm88.4291.8793.4494.4894.5894.73at 618 nmZeiss A-16 mm92.3996.0097.3497.1196.3297.34at 550 nmPentax O-18 mm93.3094.9296.7097.9598.3498.42at 628 nmTele Vue PL-2096.4897.3898.0298.8195.9498.88at 598 nmSynta PL 20mm88.4392.7094.3795.3696.1996.37at 682 nmZeiss A-25 mm94.8097.2897.9798.2297.7298.36at 576 nmKasai Or 25mm92.3795.5996.2196.4896.1496.67at 576 nmNIKON 25 mm92.2095.2096.2695.6595.3596.40at 570 nmZeiss A-34 mm95.2797.9797.9798.3297.9698.50at 544 nmKasai Or 25mm92.3795.5996.2196.4896.1496.67at 576 nm5-element-eyepiecesTakah. LE 5mm89.0392.8893.1593.8593.3094.06at 620 nmTakah. LE 7.5mm90.1592.3092.6994.3294.0594.54at 610 nmTakah. LE 12.5mm92.1494.0195.1996.4094.7296.60at 610 nmOlympus 12.5mm86.7192.9395.4595.3694.2595.88at 576 nmINTES MICRO 12mm85.8491.2591.4789.5987.4591.90at 574 nmZeiss 16mm 62°89.7093.1993.9392.8391.3993.96at 542 nmINTES MICRO 21mm85.2490.4993.1493.5092.8493.71at 574 nmTakah. LE 24mm94.1796.1296.5196.2394.5296.67at 564 nmZoom EyepiecesTele Vue 3-6mm90.7094.5396.0596.1196.1096.50at 612 nmLeica 7-22mm91.8793.9493.8493.7191.7894.04at 592 nmZeiss 8-25mm87.5191.3394.2195.1592.6295.23at 592 nmNikon 7-21mm91.8794.5094.5896.3596.9696.99at 638 nmWidefieldsNIKON 17-72°92.3192.5293.4295.5496.1996.41at 640 nmZeiss 16.7-69°87.9092.8695.9396.7094.4196.97at 588 nmTele Vue PanOptic 15mm83.9389.7390.4791.5592.2192.58at 618 nmTV Radian 3mm84.9988.0191.0692.1789.3392.32at 592 nmTV Radian 4mm84.7788.9891.3392.9591.3193.34at 616 nmTV Radian 6mm84.2187.2289.4792.2090.6392.44at 606 nmTV Radian 10mm86.5292.2393.5395.3095.0995.65at 634 nmTV Radian 14mm87.5892.6393.7594.8792.6595.71at 578 nmTV Radian 18mm90.3994.1094.9196.7896.3497.36at 622 nmNIKON 13-72°89.4892.4193.6895.1994.5795.47at 622 nmZeiss 12.5-69°87.9793.4895.7596.7295.5997.79at 602 nmTV Nagler 4.8mm87.7691.3791.5294.5895.8395.90at 640 nmTV Nagler 5mm Typ 690.7991.8395.2496.8694.1196.96at 596 nmTV Nagler 7mm Typ 690.3791.3494.2796.3394.6996.55 at 610 nmTV Nagler 9mm Typ 691.3891.5193.7496.1896.9696.86at 630 nmTV Nagler 16mm-Type593.4893.5394.3296.4895.7196.71at 618 nmMeade 6.7mm UWA78.5085.8689.8691.2590.5791.25at 600 nm

[ 本帖最后由 dingye 于 2007-5-13 11:53 编辑 ]

Alone狼 发表于 2007-5-13 11:57

這個資料都有，強!::32::   難怪覺得 用tvpl20那麽通透。

dingye 发表于 2007-5-13 12:02

俺考虑以后弄一对TV PL25

Alone狼 发表于 2007-5-13 12:07

用户: dingye 在文中写到:
俺考虑以后弄一对TV PL25

弄雙目？ 感覺tvpl32更合用，畢竟視野會大一些，不知道體積會不會太大。

dingye 发表于 2007-5-13 12:20

原帖由 Alone狼 于 2007-5-13 12:07 发表 http://www.astronomy.com.cn/bbs/images/common/back.gif

弄雙目？ 感覺tvpl32更合用，畢竟視野會大一些，不知道體積會不會太大。

PL 32 加减焦会vignette

shunter 发表于 2007-5-13 12:33

呵呵.我曾经想用公司的光谱仪检测目镜的透过率,发现实在难啊.需要一个专门的样品台才好测,而且要精确对好轴线.而且目镜出来的光线可能没有全部被探测器接收,所以后来就没检测了.

zzjloveit 发表于 2007-5-13 16:43

好多目镜资料啊。::24::

我爱祖祖 发表于 2007-5-13 16:54

对未来选择目镜很有指导意义阿

Alone狼 发表于 2007-5-13 17:03

看來還是簡單結構的目鏡更好！::27::

sunnykun 发表于 2007-5-13 18:05

我爱祖祖 发表于 2007-5-13 19:17

当然有很多标准。不过通光量高，看起来清澈，更加锐利。

shunter 发表于 2007-5-13 21:21

TV Nagler 4.8mm 87.76 91.37 91.52 94.58 95.83 95.90at 640 nm

NAGLER有8个反射面，我忽略了玻璃和空气的吸收后，算了算，大概每个面的发射在0.5%左右。
这个水平还可以。

yang2005 发表于 2007-5-14 19:40

呵呵，表中的目镜不知论坛中所有人一起能凑出几只来？
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