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I'm feeling an itch
#20
(04-26-2022, 11:00 AM)Klaus Wrote: Hold it ;-) I will still do the MTFs - so a reversed front element isn't going to happen.
 
Are I see ...... I thought we were talking fifty as in millimetres focal length ..............

      I was in no way expecting you to test a reversed front lens element Klaus ....... (although it might have been amusing) ...... the MTF graph would have looked like a short spike in the center with no border readings at all, much less the corners ......

   however, there is something I find endearing about those Helios range of lenses ........ so, while we were both drawn to scratch our itches .......  I posted a couple of shots that I scratched earlier  !! ......... Smile
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Messages In This Thread
I'm feeling an itch - by Klaus - 04-24-2022, 10:40 AM
RE: I'm feeling an itch - by thxbb12 - 04-24-2022, 01:31 PM
RE: I'm feeling an itch - by Brightcolours - 04-24-2022, 03:23 PM
RE: I'm feeling an itch - by thxbb12 - 04-24-2022, 06:18 PM
RE: I'm feeling an itch - by Klaus - 04-25-2022, 12:04 AM
RE: I'm feeling an itch - by Klaus - 04-25-2022, 01:33 AM
RE: I'm feeling an itch - by Brightcolours - 04-25-2022, 06:32 AM
RE: I'm feeling an itch - by davidmanze - 04-25-2022, 06:56 AM
RE: I'm feeling an itch - by Klaus - 04-25-2022, 10:46 AM
RE: I'm feeling an itch - by Brightcolours - 04-25-2022, 02:39 PM
RE: I'm feeling an itch - by Klaus - 04-25-2022, 01:18 PM
RE: I'm feeling an itch - by toni-a - 04-30-2022, 07:30 AM
RE: I'm feeling an itch - by Brightcolours - 04-30-2022, 07:56 AM
RE: I'm feeling an itch - by Rover - 04-25-2022, 05:20 PM
RE: I'm feeling an itch - by toni-a - 04-25-2022, 09:28 PM
RE: I'm feeling an itch - by Klaus - 04-25-2022, 10:21 PM
RE: I'm feeling an itch - by davidmanze - 04-26-2022, 10:01 AM
RE: I'm feeling an itch - by Klaus - 04-26-2022, 11:00 AM
RE: I'm feeling an itch - by davidmanze - 04-26-2022, 03:49 PM
RE: I'm feeling an itch - by Brightcolours - 04-26-2022, 11:08 AM
RE: I'm feeling an itch - by Klaus - 04-26-2022, 12:11 PM
RE: I'm feeling an itch - by Klaus - 04-26-2022, 01:26 PM
RE: I'm feeling an itch - by Klaus - 04-28-2022, 11:43 PM
RE: I'm feeling an itch - by Klaus - 04-30-2022, 09:53 AM
RE: I'm feeling an itch - by Brightcolours - 04-30-2022, 01:00 PM
RE: I'm feeling an itch - by Klaus - 05-04-2022, 12:14 AM
RE: I'm feeling an itch - by giulio - 05-11-2022, 11:36 AM
RE: I'm feeling an itch - by Klaus - 05-11-2022, 12:47 PM
RE: I'm feeling an itch - by Klaus - 05-14-2022, 08:22 AM
RE: I'm feeling an itch - by toni-a - 05-15-2022, 06:27 AM
RE: I'm feeling an itch - by davidmanze - 05-15-2022, 07:51 AM
RE: I'm feeling an itch - by Brightcolours - 05-15-2022, 09:46 AM

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