Olympus-OM
[Top] [All Lists]

Re: [OM] Moose Arrives In Maine - Locals Amazed

Subject: Re: [OM] Moose Arrives In Maine - Locals Amazed
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sat, 21 Sep 2013 16:45:11 -0400
What?  Do you mean to say that you have no idea of the angular velocity 
of your camera body when shooting macro?  Gimme a break!

Chuck Norcutt


On 9/21/2013 10:53 AM, DZDub wrote:
> On Fri, Sep 20, 2013 at 5:25 PM, <usher99@xxxxxxx> wrote:
>
>> It is relevant to any listee using OM
>> 5D (c, II, or III) as digital back for OM macro lenses or indeed on OM
>> as I plan to do.
>>
>
> Relevance acknowledged.  Paying attention.
>
>
>> A bit more investigation shows that at pixel width "p", angular
>> velocity of cam w, one pixel blur should occur at shutter speed of p/(f
>> *w). No?
>> Thus shutter speed required for a given blur is proportional to 1/f
>> where f is the focal length. Magnification makes this more complex but f
>> never drops out. Am getting to the 85% certain confidence level. This
>> is either correct or not , there is no in between.
>>
>
> Could you plug in some numbers maybe?  An example would help me.  Are you
> proving the old rule that a "safe" shutter speed is 1/f, refining it, or
> disproving it?
>
> Thanks.
>
> Joel W.
>
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz