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Forum: Pentax Mirrorless Cameras 01-25-2018, 07:37 PM  
Behind-the-Mount 20-40 for K-01
Posted By lytrytyr
Replies: 16
Views: 5,343
If you give the front of the lens
a gentle inward push to start the retraction,
it actually works quite smoothly.

For a kit lens, the rendering is very pleasing,
much better than the muddy DA 18-55 II.
Forum: Pentax Mirrorless Cameras 01-24-2018, 03:39 PM  
Behind-the-Mount 20-40 for K-01
Posted By lytrytyr
Replies: 16
Views: 5,343
Whatever, as I posted earlier, the 08 on a Q-7 is now my solution to the compact wide-angle question.
Forum: Pentax Mirrorless Cameras 01-23-2018, 03:04 PM  
Behind-the-Mount 20-40 for K-01
Posted By lytrytyr
Replies: 16
Views: 5,343
Actually less of a problem for digital, as you don't need to mess with graduated filters to correct.
Photozone tested a Leica-mount version on a Sony E-mount camera,
and it did OK for a really compact ultra-wide.

A lot of satisfied DA 15 Ltd users would disagree.

Yes, the Heliar has a helicoid!
Forum: Pentax Mirrorless Cameras 01-22-2018, 12:24 PM  
Behind-the-Mount 20-40 for K-01
Posted By lytrytyr
Replies: 16
Views: 5,343
Until I saw what the 08 could do on a Q-7 or Q-S1,
I used to wish Pentax had done something like the Voigtlaender Heliar 12/5.6 for the K-01:


Would have made a great compact kit for real estate photographers.
And without protruding into the mount, this would be a bulky retrofocus lens.
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