Archived posting to the Leica Users Group, 2007/12/22

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Subject: [Leica] Interesting effects
From: len-1 at comcast.net (Leonard Taupier)
Date: Sat Dec 22 08:01:23 2007
References: <476B2F76.1080104@mcclary.net> <6af76ca00712220126ka51db4bkc4d6b89c9ae6ef33@mail.gmail.com> <476D3127.9020104@mcclary.net>

Harrison,

Does that mean when you exposed the same frame 32 times each exposure  
was 5 stops underexposed?

Len


On Dec 22, 2007, at 10:45 AM, Harrison McClary wrote:

> Getting the exposure really is very easy once you understand it.  Each
> f-stop or shutter speed change is a full stop, each stop is exactly
> twice as much or 1/2 the amount of light.  If doing multiples you have
> to remember to underexpose correctly for he number of multiples so:
>
> 2x is one stop under
> 4x is 2 stops under
> 8x is 3 stops under
> 16x is 4 stops under
> 32x is 5 stops under
> 64x is 6 stops under and so on.
>
> Did I explain it well?
>
>
>
> Christopher Birchenhall wrote:
>> Harrison
>>
>> Can I ask a silly question? How did you calculate the exposure?
>>
>> Chris B
>>
>
>
> -- 
> Harrison McClary
> Harrison McClary Photography
> harrison@mcclary.net
> http://www.mcclary.net
> ImageStockSouth - Stock Photography
> http://www.imagestocksouth.com
> Tobacco Road: Personal Blog:
> http://www.mcclary.net/blog
>
>
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Replies: Reply from lists at mcclary.net (Harrison McClary) ([Leica] Interesting effects)
In reply to: Message from lists at mcclary.net (Harrison McClary) ([Leica] Interesting effects)
Message from crbirchenhall at googlemail.com (Christopher Birchenhall) ([Leica] Interesting effects)
Message from lists at mcclary.net (Harrison McClary) ([Leica] Interesting effects)