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> Hasselblad Carl zeiss 150mm f4 cf lens |
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#11
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I read somewhere you need to add a third of a stop when you fully extend the sonar even without ext tubes and bellows
When you add the 16 ext tube it becomes 0.8 Ev (+0.5Ev) I think with black and white film a half to full stop would be the best with the Number 16 ext tube and half a stop without |
#12
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Quote:
Last edited by paddy; 20th April 2020 at 05:20 PM. |
#13
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This is a good video clip on the subject of hasselblad ext tubes
https://www.youtube.com/watch?v=eExBL-d472o |
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