Ray Rogers wrote:
Were any of these non-circular-ish apertures found oncommon (pictorial) lenses?No. They were Waterhouse stops found in process lenses.Interesting... Are there any other unique features or properties to process lenses?
They tend to be dialites, 4 elements 4 groups. They tend to have longer focal lengths and not have super big apertures; i.e., f/9 is kind-of usual. They are usually optimized for 1:1 reproduction ratio -- .~. Jean-David Beyer Registered Linux User 85642. /V\ PGP-Key: 9A2FC99A Registered Machine 241939. /( )\ Shrewsbury, New Jersey http://counter.li.org ^^-^^ 20:05:01 up 19 days, 5:04, 3 users, load average: 4.33, 4.31, 4.21 ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.