This is what the K-Mount page says about them:
Min Filter Lens
Lens Elements Focus Diameter Diameter Weight
/Groups Distance (m) (mm) X Length (mm) (g)
M 24-50/4 12-10 0.4 58 64 x 67 380
A 24-50/4 11-10 0.4 58 64 x 68 375
F 24-50/4 11-10 0.4 58 70 x 67 380
The 'M' and the 'A' both have 6 aperture blades; the 'F' has 8.
http://kmp.pentaxians.eu/lenses/short/
On 8/18/2018 16:57, J.C. O'Connell wrote:
I developed a few more new RAW files today and added them to the page.
same link as below.
Does anybody know if the F version of the lens is the same
optically as the A and M versions?
jco
On Fri, 17 Aug 2018 17:41:32 -0400, J.C. O'Connell <hifis...@gate.net> wrote:
I bought a cheap general purpose af lens just to make sure my
camera body af works. I posted a few test shots on a web page:
https://www.jchriso.com/temp/park.htm
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