Re: [OM] 20mm f2 and Lieberkuhn Lighting [was Re: Ebay 20% off sale Mar

Subject: Re: [OM] 20mm f2 and Lieberkuhn Lighting [was Re: Ebay 20% off sale Mar 9]--now filters for 20 and 38mm macro
From: Moose <olymoose@xxxxxxxxx>
Date: Tue, 13 Mar 2018 21:06:47 -0700
On 3/13/2018 3:58 PM, Mike Gordon via olympus wrote:
How does one use filters on these lenses?

I'm having trouble figuring out when/why I would want/use a filter. Then again, Dean has suggested using it for video underwater. No filters for me.

The normal filter threads are recessed for the special cap.

That bit needs editing. "It has a 49mm filter mount . . . (so you cannot use it for 
filters) . . ."

Wrong. Filter rings are female threads, whereas these are male. Correct that it 
can't be used for filters, though. ;-)

". . . set back from the front of the lens . . . that is used for the special screw-in lens cap, and to which you can attach the T10 Ring Flash 1, the T8 Ring Flash 2 or the mounting ring for the T-28 Macro Flash 1."

Just so.

   Several sites mention "32mm slide on" versions but no clue what they are.

Slide/push/slip-on filters were pretty common in folding camera days. Somewhere around here, I have a Kodak Wratten filter adapter of push on design from my dad's old Kodak folder. A google search for images of "push on lens filter" shows all sorts, from ancient to contemporary for drone/action cameras.

I thought Oly's solution for Macro was filtering the light. <http://omesif.moosemystic.net/om-sif/macrophotogroup/filters.htm>

Colored Lights Moose

What if the Hokey Pokey *IS* what it's all about?
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