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12-25-2008, 07:35 AM   #1
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Manual Focus with the K200D

I always feel that I'm missing the view with the K200D while doing manual focus. After peeking through a Nikon D200 I feel the K200D viewfinder view to be small.

Does the 1.2x magnifier help?

How good is the Katz Eye focusing screen?

Can we use both of these together to combine their powers?

12-25-2008, 07:46 AM   #2
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There are currently active threads about the split-prism focusing screens:

https://www.pentaxforums.com/forums/general-pentax-photography/43424-split-screen-focus.html

https://www.pentaxforums.com/forums/pentax-dslr-discussion/44163-katzeye-focu...al-review.html
12-25-2008, 07:52 AM   #3
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Thanks for the reply!
12-25-2008, 03:57 PM   #4
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QuoteOriginally posted by atyab Quote
Does the 1.2x magnifier help?
Yes, it does.

12-26-2008, 05:06 AM   #5
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QuoteOriginally posted by atyab Quote
.....

Does the 1.2x magnifier help?

.....?
What is that ?
12-26-2008, 06:42 AM   #6
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QuoteOriginally posted by netuser Quote
What is that ?
The O-ME53, a Pentax product available from B&H and probably just about any other dealer. It's a replacement eyepiece for the viewfinder that magnifies the view. Old one sliders off like you are normally supposed to do when adjusting the diopter), new one sliders on, and then your viewfinder is bigger. Nice product, although if you wear glasses, it can make it hard to see the info displays without moving your eye around.
12-30-2008, 11:09 AM   #7
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QuoteOriginally posted by Marc Sabatella Quote
The O-ME53, a Pentax product available from B&H and probably just about any other dealer. It's a replacement eyepiece for the viewfinder that magnifies the view. Old one sliders off like you are normally supposed to do when adjusting the diopter), new one sliders on, and then your viewfinder is bigger. Nice product, although if you wear glasses, it can make it hard to see the info displays without moving your eye around.
Many thanks
12-30-2008, 12:26 PM   #8
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QuoteOriginally posted by atyab Quote
I always feel that I'm missing the view with the K200D while doing manual focus. After peeking through a Nikon D200 I feel the K200D viewfinder view to be small.
That's the difference between the viewfinders -

Nikon D200 - Optical (Pentaprism, 95% coverage, 0.94x magnification)
PopPhoto Test of Nikon D200
" Viewfinder Accuracy: 95% (Excellent)
Viewfinder Magnification: 0.97X (Excellent) "
and
Pentax K200D - Optical (Pentamirror, 96% coverage, 0.85x magnification)
which I believe is similar to -
Pentax K100D (Super) - Optical (Pentamirror, 96% coverage, 0.85x magnification)

A PentaMirror actually uses surface coated mirrors to make up the "penta-prism" which has more air to reflecting surfaces - hence darker and lower magnification.

A real proper PentaPrism is solid optical glass so there are no air to reflecting surfaces - therefore less light loss and better magnification.

PentaMirrors are used to cut costs so tend to be in lower priced SLRs.

Having said that the K200D (and K100D (Super)) PentaMirrors are good for what they are - PopPhoto.com says of the K200D -
" a viewfinder with excellent magnification "

and the K100D Super -
" the pentamirror viewfinder is bright, with both Excellent tested accuracy and Excellent (though just barely) tested magnification."

K100D -
" K100D earns an Excellent rating for viewfinder accuracy at 96% compared with 94% on the *ist DS2, a minor improvement. And it just squeaks by with an Excellent magnification rating at 0.85X, but that's down from the 1.04X on the *ist DS2 "

the last statement on the K100D test seems to contradict the PentaMirror vs. PentaPrism on magnification -

But according to specs at dpReview -
Pentax *ist DS2 - Optical (Pentaprism, 95% coverage, 0.95x magnification)
To confirm the Pentax *ist DS2 pdf Downloadable manual -


Of course the Nikon D200 was close to the top of the line with an attendant price of over $1,000, and the Pentax K200D is near entry level at about 1/2 the price...... so one would expect the Nikon D200 viewfinder to be better.

A more comparable Nikon dSLR would be
Nikon D60 - Optical (Pentamirror, 95% coverage, 0.8x magnification)
PopPhoto test of Nikon D60 viewfinder -
" Accuracy: 97% (Excellent)
Magnification: 0.81X (Very Good) "
So on a similar budget the Pentax K200D actually has a better viewfinder than the Nikon D60......


Last edited by UnknownVT; 12-30-2008 at 12:39 PM.
12-30-2008, 02:12 PM   #9
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I use both the Katzeye and O-ME53 magnifer all the time on the camera and the combo works well for me.
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