thanks, I never would have guessed they upped the number of aperture blades
in the F version.
jco




On Sat, 18 Aug 2018 23:36:03 -0400, John <jsessoms...@nc.rr.com> wrote:

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







--
J.C. O'Connell
hifis...@gate.net
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