| Subject: | Re: [OM] Calling all Pixel Peepers |
|---|---|
| From: | Wayne Shumaker <om3ti@xxxxxxxx> |
| Date: | Sun, 02 Jan 2022 08:17:08 -0700 |
At 1/1/2022 07:40 AM, I wrote: >Short focal lengths are harder because of the distance to the subject required >to keep it in the plane of focus when you shift the camera. Since you are >looking for good Astro lens wide open, this is the most important point. > >Not a lens test expert - WayneS I'm wrong on this point as COC also changes with focal length. https://blog.kasson.com/lens-screening-testing/lens-screening-distances/ff-min-target-dstances/ WayneS -- _________________________________________________________________ Options: http://lists.thomasclausen.net/mailman/listinfo/olympus Archives: http://lists.thomasclausen.net/mailman/private/olympus/ Themed Olympus Photo Exhibition: http://www.tope.nl/ |
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