using reversed 50mm 1.4 for macro on k10d

Started Sep 26, 2007 | Discussions thread
TheBrumReaper
Contributing MemberPosts: 572
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Re: Bellows w/ rev ring...(or tubes)
In reply to John Bean (UK), Sep 27, 2007

Because the focus ring moves the whole lens in relation to the
K-mount - the filter ring is fixed in relation to the optics, all the
focus ring is doing on the reversed lens is moving the K-mount
leaving the optics in their fixed position. Just look at the lens
while you turn the focus ring and you'll see.

Ah, that makes sense - now that you mention it I should have been able to work that out myself...

thanks

thorsten

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