What Moose said.
Chuck Norcutt
On 12/7/2010 6:42 AM, Moose wrote:
> On 12/7/2010 3:20 AM, Alan Wood wrote:
>> Is there a safe way to check that the 5D mirror does not hit the rear of the
>> lens?
>>
>> I am hoping that there is a better way than mounting the lens, firing the
>> shutter, and hoping for the best.
>
> There are at least three of ways I can think of.
>
> 1. Assuming the mirror is driven mechanically in one direction and by springs
> the other, mount the adapter sans lens,
> gently manipulate the mirror up or down and see if it hits something soft
> stuck to the top of the adapter opening to the
> depth of the lens when mounted.
>
> 2. Tape a small steel ruler across the mount opening, above the middle, about
> where the top of the lens protrusion will
> be. Move the mirror up and down and measure the smallest clearance. compare
> to the distance the lens protrudes. behind
> the adapter mount flange.
>
> 2. Less elegantly, just screw the lens in only to the depth of the adapter,
> then screw it in a quarter turn at a time
> and fire the shutter. the tiniest little click, heard and/or felt, would mean
> stop. If that doesn't happen, all is well.
>
> Measurin' Fool Moose
>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|