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Photography Question 

Darren B. Wilkins
 

Why are my pictures not sharp?


Help!!!! Why are my color prints not sharp? Most of my pictures if you look closely at the background and even the subject in the foreground you see what almost appears to be splotches making up the object (Most noticable with trees in the background and around the edges of foreground subjects). I have shot in the Full Auto Mode ,in Shutter priority, and Aperture priority, shifting between shutter speeds and apertures. I've adjusted exposure as well. I'm using a Minolta Maxxum 7(that I purchased last year) and used Kodak Max Color Film ISO 100-800 and FujiColor Super HQ ISO 100-800 as well. I have had the film developed at a one hour Wal Mart and at a legitimate camera store with the same results (as far as blotchiness is concerned). I have shot around 25 rolls trying to fix the problem with the same result for the most part. The two lenses I have used are a Minolta 35-70mm AF zoom and a Minolta 70-210mm AF lens. These blotches only seem to appear with outdoor photos. I use my Minolta Maxxum 450si with the same lenses and don't have the problem. Before you tell me just to use the 450si, what can I do to fix my problem with the Maxxum 7? Please Help!!!!!


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October 06, 2005

 

robert G. Fately
  Darren, it is not impossible that there is a problem with your Maxxum 7 - some kind of misalignment or something. For example, if the fresnel focusing lens in the pentaprism is a little out of position, what looks to be in focus to your eye (or the auto-focus mechanism) may in fact not be focussed properly.

The only way to really check on this is to remove all variables. That is, put the camera on a tripod, aim at a very distant subject with details (city skyline, apartment building with lots of windows, like that), disarm the auto-focus and manually set the lens to infinity. Take a few shots and see if they are okay.

You could try the same idea (since you'll have a bunch of film left on the roll) at closer distances - perhaps a volunteer subject would be willing to stand 50, 20, 4 etc. feet in front of the camera with a sign...a sign you write in large lettering showing the f-stop and shutter speed you are using (though on the tripod, shutter speed is less important). SO your friend holds up the 20FT sign when he's that far away, the 50FT sign at that distance, etc. You could even focus through the eyepiece for one shot and then just set the lens to 50FT (or whatever) for a second shot and compare those.

Also, use slide film for these tests - it's probably cheaper to develop but more important is that you will be looking at the actual piece of film that was exposed - not a piece of paper that was exposed by a machine trying to make corrections to the film that ran through the camera.

Review your slides under a loupe to get as much detail as possible. Take careful notes so you can see which shot was the one focused through the eyepiece versus the one where you just twist the lens into postiion. If you see that the shots are still blurry, you have ruled ot motion (tripod), the auto-focus mechanism (you turned it off) and even the eyepiece issue (if both the shot you focused by eye and the one you just set the lens to 50FT for are bad). This is something you can bring to a repair facility (or go back to Konica/Minolta) to address.


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October 10, 2005

 

Darren B. Wilkins
  Bob,
Thanks so much for the help!!!! I'll give it a try!


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October 10, 2005

 
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