sevensister 發表於 2013-8-2 10:54:24

有關換鏡板 / 快門

請教一下, 如果我將一支鏡前後組由 sinar 鏡板拆落黎, 換上一個快門 (eg. copal)
是否擰實就可以 ? 需要 cal 嗎 ?

謝謝

超廣角鏡 發表於 2013-8-2 11:55:38

請問你是那塊板?有沒有快門?是什麼鏡?:dumno:
理論上前後組相隔距離和舊板相同便可,但光圈就可能不一樣了。:loveliness:

sevensister 發表於 2013-8-2 12:44:27

超廣角鏡 發表於 2013-8-2 11:55 AM static/image/common/back.gif
請問你是那塊板?有沒有快門?是什麼鏡?
理論上前後組相隔距離和舊板相同便可,但光圈就可能不一樣 ...

係呢種無快門既 SINAR BOARD, 我打算拆換一個 COPAL SHUTTER
我唔肯定擰實之後前後組距離是否相同, 所以上黎請教
http://i.ebayimg.com/t/SCHNEIDER-SYMMAR-S-5-6-210mm-SINAR-CAMERA-LENS-BOARD-4x5-f-210mm-MULTICOATING-NR-/00/s/OTExWDExOTY=/z/BzsAAMXQgJRRAnSd/$T2eC16VHJG8E9nyfnfs(BR!nSdR4tg~~60_35.JPG

pal@ 發表於 2013-8-2 14:12:51

當然可以可以照上Copal 快門 呢塊係叫 DB板

mickeymouse 發表於 2013-8-2 20:54:30

but you may need to calibrate the aperture marks.

amoebahydra 發表於 2013-8-2 23:09:28

In order to preserve image quality, it is required to calibrate the lens when shutter are replaced as the inter-group distance is critical to image quality.Optical technician often insert thin shims in between shutter and back lense group after calibration (it is also seen in new lenses).

You can actually order aperture scale for a particular focal length to accompany the new shutter.
頁: [1]
查看完整版本: 有關換鏡板 / 快門