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08-18-2009, 04:27 PM   #16
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I also wear glasses and the diopter is set 2 clicks away from the far right.

08-18-2009, 06:09 PM   #17
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It's funny, I have -3.25 diopter lenses in my glasses, and wear glasses while shooting. both my K10D and *istD are about 2/3 to the left of center, but my K7D seems to be in the middle.

Never thought about it much but maybe it has a different more neutral adjustment.
08-18-2009, 07:20 PM   #18
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Same for me too.. I have/had ~20/10 vision and all the way to the right works the best for me. I thinks its not completely related to vision but how your eye works? But I do find it weird its all the way to the right and not centered.
08-18-2009, 08:10 PM   #19
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QuoteOriginally posted by Lowell Goudge Quote
It's funny, I have -3.25 diopter lenses in my glasses, and wear glasses while shooting. both my K10D and *istD are about 2/3 to the left of center, but my K7D seems to be in the middle.

Never thought about it much but maybe it has a different more neutral adjustment.
I think I read that the K10d/K20D have a -1 diopter adjustment when centered, and MAYBE I read that this has been standard for Pentax since the Spotmatic (that's why they had the add-on correction lenses and the prescription eyecups).

My left eye is -1 and my right eye is useless with or without glasses due to glaucoma.

I use a +2 SMC Correction lens on my camera bodies and remove my glasses to shoot. The LED's are sharp at center on the K10D. The split-image focusing screen on my MESuper yields a very sharp image in the microprism ring and the matte screen; the K and S bodies with just the fresnel and microprism ring are also quite sharp this way.

08-20-2009, 12:08 PM   #20
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The K-m manual states that the range of the adjustment is something like -2,5 to +1,5. That would mean the 0 is not in the center of the adjustment range and it would also explain why so many people seemingly have it moved off-center.
08-20-2009, 04:39 PM   #21
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Very interesting.

I have always left mine in the middle with no problem. But the comments in this thread have piqued my interest in trying to move it to the right . . . we'll see what happens.

My eye does get tired after a while on the viewfinder, but I always assumed that was just squint-related fatigue.
08-22-2009, 08:15 AM   #22
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I wear trifocals and mine is a couple clicks to the right also. I will take my glasses off when shooting most of the time and always when manual focusing. I get better results. I didn't start wearing glasses until later in life so I'm still not used to using the camera with them on.
08-22-2009, 08:53 AM   #23
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One click to the right of centre does it for me with my normal glasses on. Even though the right spectacle lens is like a Coke bottle at the edge, it seems to be corrected quite well.

08-22-2009, 10:47 AM   #24
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Don't wear glasses, but need the diopter one or two away from far right...
No problems yet.
08-22-2009, 10:56 AM   #25

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I don't wear glasses. last time my vision was checked (at MEPS about 6 years ago) I had a rather typical 20/20 visual acuity. (if I remember correctly) my diopter is all the way to the right.

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