Focus probs with K10D and screw lenses
Posted 28/11/2010 - 13:53 - Helpful Comment
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Have you ever done a Back/Front focus test on your Auto Focus lenses, wide open, they use the same phase focus system. If the AF lenses are also back focusing there is your problem and you will need to do a global BF focus adjustment.
I found that synchronising the focus indicator, split screen and matt surface for use with manual focus lenses became quite a mission on my K200D and am now starting the whole process all over again for the K5.
This can become a long and involved discussion, there are lots of posts and articles on the Web covering the subject.
Enjoy
Greg
I found that synchronising the focus indicator, split screen and matt surface for use with manual focus lenses became quite a mission on my K200D and am now starting the whole process all over again for the K5.
This can become a long and involved discussion, there are lots of posts and articles on the Web covering the subject.
Enjoy
Greg
Posted 28/11/2010 - 13:59
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Oh Dear ( No stronger words, as it is a 'Sunday' ) I need to get it sorted today as I have to photograph 'Pixie Lott' in Concert tonight at the Brentwood Centre and my widest aperture lenses are my older ones - I have the kit 18-55mm auto-focus and none of my other lenses are 'digital' . Oh well, back to Good Old FILLUM and a C41 process late at night !
Been a member of Pentax Club since the Ron Spillman era! Got COMPUTERISED at last - DIGITISED?
Taken the PLUNGE - BUT FILM STILL RULES !!!
Taken the PLUNGE - BUT FILM STILL RULES !!!
Posted 28/11/2010 - 16:40 - Helpful Comment
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Peter - I occasionally get this problem on my K10 with my Takumar 55. I usually find if I unscrew it then screw it back in carefully, making sure the red 'diamind' f-stop marker is at the true top of the lens, it seems ok. Sometimes it just needs that extra bit of a twist to get it to focus properly.
Posted 29/11/2010 - 12:20
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Well, Folks, I went to the Pixie Lott Concert and took film as well as my K10D but when it started I put K10D onto 1000 ASA and found I could use my 1980's 80-200mm f4.5 SMC Pentax-M lens and the 75-150 f4 SMC Pentax-M for a couple and manually focussed and got some sharp ones in the time allowed-- only allowed photos during the first three songs and Security caom up to throw me out -- I was deafened anyway !! I have put results on my'Gallery' and the pics have beeen sent over the Ether to the Brentwood Gazette newspaper last night ready for them to make up the pages this morning. THEN I did a job early this morning at the Council Depot in the falling Snow with the Mayor, struggled to get hand-holdable shutter speed on 400 ASA in the bad light+ very weak flash, used my Digital 18-55mm Pentax DA lens and found all had 'Back-Focussed' !! The Mayor was OUT, the rear wall of Council Depot was IN ! Need to test K10D now -- and I call it 'my Trusty Pentax' !!
Been a member of Pentax Club since the Ron Spillman era! Got COMPUTERISED at last - DIGITISED?
Taken the PLUNGE - BUT FILM STILL RULES !!!
Taken the PLUNGE - BUT FILM STILL RULES !!!
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928 posts
21 years
Brentwood Essex (UK)
Taken the PLUNGE - BUT FILM STILL RULES !!!