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PostPosted: Thu Nov 03, 2011 1:02 am 
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Joined: Sat Sep 30, 2006 4:30 pm
Posts: 9886
Location: UK
Hi folks,

I was enjoying reading about the Zeiss Distagon T* 2/25 (here) and marvelling at the number of elements in the lens
when my attention was grabbed by the Zeiss article Manual Focusing with AF Camera Systems. An interesting and pretty well balanced summary which included the following links to some third party manufacturers of focus screens:
It had never even occurred to me that there were third party manufacturers of focus screens. :shock:

Has anyone any experience with any of these folks?


Edit: I've updated the link to "intenscreen" and "brightscreen".

Sony RX1R II. Olympus OM-D E-M1 + M.Zuiko Digital ED 12-40mm f/2.8, M.Zuiko Digital ED 40-150mm f/2.8 + 1.4x T/C, Lumix 7-14mm f/4, Leica DG Summilux 15mm f/1.7 ASPH, M.Zuiko Digital 45mm 1:1.8
M.Zuiko Digital ED 75mm 1:1.8, Leica D Vario-Elmar 14mm-150mm f/3.5 - f/5.6 ASPH.
OM-D E-M5, H-PS14042E, Gitzo GT1541T, Arca-Swiss Z1 DP ball-head.
Astrophotography: TEC 140 'scope, FLI ML16803 camera, ASA DDM60 Pro mount.

Last edited by Bob Andersson on Thu Nov 03, 2011 10:11 am, edited 2 times in total.

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PostPosted: Thu Nov 03, 2011 9:36 am 

Joined: Thu Mar 04, 2010 12:09 am
Posts: 466
Location: North
I have, I thought exactly the same when I bought my Zeiss lens. My eyes would need help focusing more quickly and accurately.

I bought mine from: (EOS 7D Ec-A)

And its excellent, you also get the tools you need for installing it as well as spacers to calibrate if necessary.
The only negative thing is that its not entirely centered, but its no practical issue at all.

I highly recommend changing the focusing screen on your camera if you like MF.

(The focusing screen changes no function on the camera what so ever, everything you had before focus screen change you will have after plus more.)

Canon 5D MkII -|- Sigma 24mm f/1.8 | Carl Zeiss 35mm f/2.0 | Canon 50mm f/1.4 | Canon 100mm f/2.8 Macro | Lensbaby Composer
Canon A-1 -|- Canon 28mm f/2 | Canon 35mm f/2.8 | Canon 50mm f/3.5 Macro

 Post subject:
PostPosted: Sat Nov 05, 2011 4:00 am 

Joined: Thu Oct 08, 2009 11:24 am
Posts: 1831
One thing to note though:

Your F4 lenses might appear less bright in the viewfinder afterwards. It does affect things a little in that respect.

I haven't tried a viewfinder on a 5D Mk II though - if it's anything like the D700 then you might be able to do without the split prism. I can manage without with the 2/35, so should be easier with a 2/25.

2/100 might be a different story though.

 Post subject:
PostPosted: Sat Nov 05, 2011 11:53 am 
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Joined: Mon Jan 14, 2008 1:25 pm
Posts: 2619
Location: Scotland
Yes, i use a split image focus screen in my 5DmkII, I purchased it from China through ebay, works a treat. (I'm sure i had a thread about it here many moons ago).

Mark Osborne
My life through an iPhone

 Post subject:
PostPosted: Sat Nov 05, 2011 5:48 pm 

Joined: Sun Nov 07, 2010 11:55 pm
Posts: 994
Location: SE Texas
Using a Nikkor 1.2 AI-S, first on a Canon 7D with a Novoflex adapter, and then later on a Nikon FM3A, with its excellent focus screen, certainly showed me the profound difference that a proper focus screen will make!

Canon 5Ds R/7D2/7D/5D/40D/1D2N/M3; Nikon F6/D3s/D700/FM3A/1Dx/Coolpix A. Lens selection undergoing changes; some favorites: Zeiss 2/135 APO Sonnar, Canon 100mm f/2.8L Macro IS and 135L, Nikkor 14-24/2.8G and 24-70/2.8G.

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