How many people have needed to calibrate lenses - K20d/K5?

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Chrism8

Link Posted 13/03/2011 - 16:05
Thanks Roy
Chris

www.chrismillsphotography.co.uk

" A Hangover is something that occupies the Head you neglected to use the night before".

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K1 - Sigma 85mm F1.4, Pentax DFA 150 -450 F4.5 / 5.6, Pentax DFA* 24 - 70 F2.8

Samyang 14mm F2.8, Pentax DFA* 70-200 F2.8

K3iii + K3ii + K5iis converted to IR, Sigma 17 - 70 F2.8, Pentax 55 - 300 F4.5 / F5.6 PLM

Smeggypants

Link Posted 13/03/2011 - 18:01
malcolmk wrote:
johnriley wrote:
Quote:
johnriley wrote:
All my lenses have been spot on, and that means a lot of lenses.

My two month old 10-17 has only been used for very close work and not a great deal of that but this week I took it to a high spot overlooking London and saw it auto-focussing on distant buldings to the 0.5 metres point.

Whether I used that setting or manual infinity the results could hardly be softer. Is that what I should expect? I shall do some serious testing after the 1.03 upgrade but as it stands it looks like a return trip to Watford is called for.

All other lenses are fine.

There is such enormous DOF that focusing should not leave anything out of focus. It's a very sharp lens indeed, so something must have happened to yours, such as a serious knock.

DOF - my thoughts too.

The truth is that I didn't particularly want to reveal is that I bought this lens as a present to myself two months ago, took one shot an inch from someone's nose for a lark and never used it again until last week. It was very disappointing. Unusable would be a better description.

The face shot never got beyond the rear LCD before being deleted. No knocks but this was the first lens I allowed SRS to send me in the post. Mind you it had a mile of bubble wrap around it.



Big nose shots with the 10-17 are great. I collect them.

and aside from the big nose stuff the 10-17 is a fantastic lense. I often de-fish it with the LR lens profile I have too.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283
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