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07-18-2008, 08:42 PM   #1
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Focus Screens - Anything besides Katz Eye and Pentax?

Does anyone else make focusing screens for K10D/K20D besides Katz Eye and Pentax?

Thanks,
Kent!

07-18-2008, 09:00 PM   #2
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Kent:

There are vendors on Ebay, one of whom (Jinfinance) was recommended here at this forum, who sell focus screens. Based on the okay he received here. I went and bought from Jinfinance. But I would not recommend him to you.

The screen is a split prism, which is what I dearly wanted for all my manual focus lenses. But the screen, even at widest aperture, sometimes has one half of the focus circle going dark, which disables the screen altogether from assisting with manual focus.

It seems to work at nearly all apertures, with my newer, auto focus lenses---but this is of little utility. If I were you, I would be very careful about the purchase of a focus screen. Be sure to ask many people about the product before you buy it. And, of course, good luck.


Regards,

Ernest
07-18-2008, 09:24 PM   #3
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Understood. And I've bought from Katz Eye in the past, but what I REALLY need right now is not a split prism screen.

I simply want a regular screen, but with 8x10 crop marks. That's all.

Any ideas?
07-18-2008, 10:28 PM   #4
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Haoda makes some focusing screens, but I think they may be split image only.

Maybe you could etch your own with an xacto knife

07-19-2008, 01:15 AM   #5
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I bought mine at Focusing Screen, they have a large choice for the whole Pentax lineup.

I have not installed mine yet (on my K10D), I will try to post a threat about it. But I've seen a post on another site about one from them for an Olympus, and it was top quality.
07-19-2008, 06:55 AM   #6
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Have you found any problem using the ones from Focusing Screen regarding exposure metering?

How much difference?
07-19-2008, 01:10 PM   #7
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Katz Eye will quote on custom screens, just did for me (next day, online)...here's what they told me (I don't want the focus prism on mine):

Thank you very much for your inquiry. We can make a screen for your K20D
without focusing prisms and we could certainly add the OptiBrite treatment
and/or any of our grid/crop patterns. It would have the same precision
laser matte as our regular screens, just without the prisms. It would also
still have the larger metering circle shown in the images on the site (that
cannot be omitted). In answer to your other questions:

1. The cost would be $145 for the standard version or $200.00 for the
OptiBrite treated version, plus shipping.

2. There will be no affect on the AF system of the camera and the red focus
point indicator lights will still function. The 4 rectangular brackets that
surround the AF groups are not present on our standard screen, but are
available as an added cost ($40) option if you need them (most customers
don't, which is why we leave them off normally). As far as the metering
goes, I cannot give a 100% definitive answer, since we don't do a full
battery of metering tests with the matte-only screens. Those screens are a
very low volume special order, so it just doesn't justify that level of
testing. I can tell you that the bulk of the metering issues encountered
with our regular screens are because of the presence of the prism; so I
expect that any metering shifts that occur with the matte-only screen should
be very small and easily manageable.

The matte-only option is not available through the website, since it is a
special order. So if you decide to proceed, we'll need to handle the order
manually. If you want to use a credit card, please give me a call and we
can set the order up by phone. If you intend to use PayPal or one of our
other methods (check, money order, etc), we can take care of everything by
email. Thanks again for your interest in Katz Eye Optics products and if
you have any other questions, please feel free to ask.

Best regards,
Rachael Katz
Katz Eye Optics
Tel. +1.413.743.2523
Fax +1.888.251.5477
Katz Eye™ Optics - Custom Focusing Screens
07-24-2008, 07:54 PM   #8
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wait, so the k20 k10 k200 and k100 all have the same size screens? All are interchangeable?
focusingscreen sure makes it seem that way...

07-24-2008, 11:42 PM   #9
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QuoteOriginally posted by dave sz Quote
wait, so the k20 k10 k200 and k100 all have the same size screens? All are interchangeable?
focusingscreen sure makes it seem that way...
Nope, not all of them are similar.
The bodies with pentamirror(K100, ist*dl, K200?) have a slightly bigger focusing screen than the bodies with pentaprism (K10, K20, ist*D, ist*Ds). I found this out when I was buying an ebay focusing screen for my ist*Ds and the one that I ordered was a pentamirror sized screen mislabelled as an ist*Ds screen and didn't fit.

Here's some measurements I found from flickr:
Screen K10D on Flickr - Photo Sharing!
Screen *istDL on Flickr - Photo Sharing!
07-25-2008, 01:32 AM   #10
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Hi,

I installed yesterday the focusing screen from focusingscreen.com and it worked great.

They've packed all the tools you need with the item. And their online tutorial for Pentax K10D is great. Their choice is much more impressive than Katzeye (5 for K10D or K20D, K100D or K200D) . I definitively recommend it.

I took picture of it, and of me installing this item. I'll try to put them in a separate post.

Regards,
Guillaume
07-25-2008, 01:42 AM   #11
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It sounds great, Guillaume... Please when You have the time, can You also comment on how does the new screen affect metering, and at what point of f-stop does the screen start to black out.
Also, which type of the screen did You get?

Looking forward to Your posts,
Bostjan
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