##全金属的+全手动的+精密仪器
104723
1925
[1507 楼] 罗罗细
[陈年泡菜]
16-1-19 21:08
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[1506 楼] 熊看
[资深泡菜]
16-1-19 17:51
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[1505 楼] 罗罗细
[陈年泡菜]
16-1-19 15:02
绝对的全金属全手动
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[1504 楼] Kievuser
[陈年泡菜]
16-1-19 06:04
来自同一卖家的蔡司镜头。。。。。。。。。1986年的价格可以买够德国一个家庭住的房子。真正的‘顶级’镜头是蔡司生产的。
![]() This is a Carl Zeiss Pleogon A2 4/153mm ( one of the latest A2 lenses, very high ser. no. ! ! ! ! ), used for aerial photogrammetry and mapping purposes. The original price of these lenses were ( in 1986 ) like the price of a ( German ) family home. The performance is ways ahead of all lenses that usually were used in large format photography. In fact it is a optimized Biogon for 8x10" format ( image circle 320mm ). It comes with an rotary shutter, used in aerial mapping cameras, but the motor is missing, so it has to be controlled manually. The resolution and contrast depends on the f-stop. At f/4 the resolution in center is 390 lppmm, high contrast, at the corner resolution is just 80 lppmm, low contrast At f/11 the resolution is over the complete image field 140 lppmm on very very high contrast. The "A"in the name will say, it is an apochromatic lens, corrected for blue, green, red and infrared. Since it is designed for photogrammetry purpose, it is tending to zero distorsion. If you are interested, I could construct for you a kind of 8x10" SWC, for sheet film ( 8x10"), or roll film ( 9x9"). The sample picture and the zoomed one were made with Agfa Aviphot Pan 200 ( 50 lppmm ). Also I could provide you with high resolution B&W film ( like Kodak Technical Pan, resolution 150 lppmm ). Ok . . . . the weight is about 30kg . . . . . I wish you nice dreams . . . . . ![]() |
[1503 楼] Kievuser
[陈年泡菜]
16-1-19 05:10
蔡司航拍头。蔡司与中国光学源远流长。。。图片来自网上。 ![]() Extremly high resolution high contrast reconnaissance lens manufactured by Carl Zeiss Oberkochen Constructed for 72x72mm image size, image circle 110mm. Back focal distance 25,5mm ( distance from rear barrel edge to the focal plane at infinity. Please have in mind, that these aerial reconnaissance lenses are the latest state of the art in high resolution optical design, highly specialized in high contrast imaging power, never avalable for civilian markets. The best lens you can get for 6x7, ever. Original cost : over 20,000 $ ![]() |
[1502 楼] 熊看
[资深泡菜]
16-1-17 22:32
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[1501 楼] Kievuser
[陈年泡菜]
16-1-13 21:00
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[1500 楼] Kievuser
[陈年泡菜]
16-1-13 20:46
蔡司LU型显微镜1937年投产。目前早期的LU型已经很少见了。在国内或国际拍卖网站上东德生产的LU型也比LG型少见得多。
目前一台早期上海58-2旁轴的价格居然数倍于日本的高档机械相机了。看来比投资股市好多了。 ![]() |
[1499 楼] Kievuser
[陈年泡菜]
16-1-13 20:38
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[1498 楼] Kievuser
[陈年泡菜]
16-1-13 20:28
1930年代蔡司专业小型相机CONTAX II 带50/1.5 SONNAR 镜头售价 255美元。 L系列最便宜的LG型显微镜售价 550美元。
而最高档的LU型售价远超1000美元。当时买一辆豪华轿车不过1000美元。而且LU显微镜与现在生产的显微镜作为一般使用没什么太大区别。这还不像老机械相机,因为使用不便,已经没有多少人用了。 ![]() |
[1497 楼] Kievuser
[陈年泡菜]
16-1-11 20:58
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[1496 楼] Kievuser
[陈年泡菜]
16-1-11 20:54
有些非常罕见的镜头价格不菲。有人见过这只尼康CRT 58/F1 镜头吗?网上连资料都搜不到。只有这只大约10年前拍卖的镜头。拍卖价8,,000多美元。 本帖最后由 Kievuser 于 2016-1-11 21:00 编辑
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[1495 楼] sunlingdwy
[泡菜]
16-1-8 22:49
前边物镜直径70mm左右,后边小目镜看进去像个瞄准镜。应该是红外或激光测距器。有毛病不懂啊!
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[1494 楼] Kievuser
[陈年泡菜]
16-1-8 17:28
没见过的东东。镜头可以利用吗?
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[1493 楼] sunlingdwy
[泡菜]
16-1-7 23:15
正面:
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[1492 楼] sunlingdwy
[泡菜]
16-1-7 23:13
k兄见多识广,请教这是个啥?
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[1491 楼] chnepal
[老坛泡菜]
16-1-7 20:28
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[1490 楼] Kievuser
[陈年泡菜]
16-1-7 18:53
图中蔡司显微摄影镜头目前在某些国际拍卖网站的售价数倍于日本,德国名牌摄影标头的价格。与尼康,佳能少见的标头相当。
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[1489 楼] Kievuser
[陈年泡菜]
16-1-7 17:31
乌克兰的姑娘很漂亮。可能启发了他们某些艺术家的想象力。 ![]() |
[1488 楼] Kievuser
[陈年泡菜]
16-1-7 17:29
网上发现了有创意的使用老相机的方式。干脆把它们变成真正的艺术品。当摆设,或镇纸用。 ![]() ![]() ![]() |
[1487 楼] Kievuser
[陈年泡菜]
16-1-7 17:25
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[1486 楼] chnepal
[老坛泡菜]
16-1-7 01:06
KitchenAid厨师机,老美的东西有点固执,外观多少年不变,自动化的功能一样不加,到现在还是全金属、全手动,照样卖得挺好。
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[1485 楼] Kievuser
[陈年泡菜]
16-1-7 00:42
非常耐用的全机械相机,老F1. 现在终于有机会好好把玩了。
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[1484 楼] Kievuser
[陈年泡菜]
16-1-5 19:02
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[1483 楼] Kievuser
[陈年泡菜]
16-1-5 19:00
自制显微镜头接圈。很多低倍显微镜头拍微距还是不错的。
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[1482 楼] Kievuser
[陈年泡菜]
16-1-5 17:46
我有不少苏联相机是当年在莫斯科常驻期间买的。当年苏联刚刚解体。很多苏联人把家里唯一能换点钱的家当拿出来卖掉。当年他们存在银行里的卢布变成了废纸。精密的相机还能换点美元买面包吃。
![]() 近期白菜价淘到的顶级专业相机。品相相当不错。 ![]() ![]() |
[1481 楼] Kievuser
[陈年泡菜]
16-1-4 22:05
<<<<<<<<----- The Titanium Shutter should provide a minimum of 100,000 exposure cycles, an almost standard set by Nikon for all its professional F-series camera. Subsequent F3's shutter, also based on Titanium Foil design, has an officially announced target of achieving 50% more to 150,000 exposure cycles - a feat hard to catch up in durability test by any any other 35mm SLR camera manufacturers. ============================================================================ 在同一网站查到了尼康专业相机的可靠性指标,F2 是至少10万次,而F3则提高到了15万次。 |
[1480 楼] Kievuser
[陈年泡菜]
16-1-4 00:23
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[1479 楼] Kievuser
[陈年泡菜]
16-1-3 20:26
上面提到的国产镜头。没有标出光圈值,根据与俄500MM F8 的对比测试,它应该是 1000MM F6.7 的镜头。 ![]() |
[1478 楼] Kievuser
[陈年泡菜]
16-1-3 20:12
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