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koji
Joined: 21 Jul 2008
Posts: 1449
Location: Toronto, Canada
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 Posted: Tue Sep 22, 2009 2:03 pm Post subject: |
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| Jekku wrote: | I'm having problems with my split focus screen, It focuses to short distances superb but if I try shoot something that's about 2.5ft/0,8m away everything is a mess. Blurry as bokeh so to speak.
What should I do?
I've tested, retested and retested the retest. Removed the shim etc.
Have messed up the screen? |
Make sure to mount the screen correctly, ie. its flat side should be
mounted to penta-prism side. This is the most common case of mistakes.
I did too. 
And welcome to MFlenses.
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My HP contains 4,340 photos in 315 directories today.
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Cameras: http://www.pbase.com/kkawakami/cameras
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Screamin Scott
Joined: 13 Oct 2007
Posts: 818
Location: Dallas, Georgia USA
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| Posted: Tue Sep 22, 2009 2:23 pm Post subject: |
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I have not had any focus problems since installing my split image screen on my Nikon D70s as this photo will attest to. I did check for front & back focus issues with a chart I printed out from an online source & there were none
_________________
Cameras-Nikon D70s,N2000,FE2,FTN ,FT2,N90s &N70
Nikkor AF Zooms=28-105/3.5D,18-55/3.5GS,28-70/3.5D,35-135/3.5
Nikkor AF //50/1.8,//Nikkor MF//50/2ai,50/1.8ais 50/1.4ai,24/2.8ais,28/2.8ai,28/3.5ai,55microAis/2.8,105/2.5ai,200/4ai,300/4.5ai35-135/3.5Ais
Kiron /Kino madelenses//70-210/4ai,28-105/3.2ai,30-80/3.5ai,Viv 28/2ai,35-85/2.8aiVivS1,105/2.8AisDine,24-48/3.8ai VivS1,50-150/3.8aiViv,28-85/2.8aiViv,100/2.8Nai Viv,70-210/3.5Nai Viv,28/2.5ai VivKomine made Viv//24/2Ais,135/2.8aiCF,28-50/3.5ai,28-90/2.8ai Viv S1,80-200/4.5aiCosina made Viv 19/3.8 Ais...Also Sigma 24/2.8 Ais Tokina made24/2.8ai VivAF Sigma 21-35/3.5,& other lenses |
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mikkokam
Joined: 11 Aug 2009
Posts: 27
Location: Finland
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| Posted: Tue Sep 22, 2009 3:59 pm Post subject: |
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Scott -
Wow. Awesome macro. Which lens / setup?
Jekku -
Which split screen do you have?
From your description, you could have the focusing screen upside down - or you have two focusing screens stacked?
My split screen is working very well now that I (as said) reversed it and calibrated it. It is easy to install it upside down.
You did remove the original focusing screen, didn't you?
And yes, tervetuloa - nice to see more Finns here. 
Mikko
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Latest pictures: http://www.flickr.com/mikkokam
Lenses: Vivitar 17/3.5 • Vivitar Series 1 28/1.9 • Carl Zeiss Jena Flektogon 35/2.4 • Yashinon DS-M 50/1.4 • Helios 44-3 MC 58/2 • Helios 44M-4 58/2 • Helios 40-2 85/1.5 • Carl Zeiss Jena Sonnar 135/3.5 • Jupiter-37A 135/3.5 • DIY toy lenses 170/2.8 & 85/1.4 • DIY soft focus 50/1.8 • DIY tilt-shift lenses 75/3.5 & 75/4.5
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Screamin Scott
Joined: 13 Oct 2007
Posts: 818
Location: Dallas, Georgia USA
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| Posted: Tue Sep 22, 2009 4:30 pm Post subject: |
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Mikko,
Most of my macro shots are done with the Lester A Dine 105mm F2.8 macro (as was the case here). I use an SB 600 speedlight on my Nikon D70s fitted with a Sto Fen diffuser (ring lights cost too much)...My Chinese split image screen helps a lot although I do also have an eyepiece magnifier to help as well...Also, this was a 50% crop in post as well...
_________________
Cameras-Nikon D70s,N2000,FE2,FTN ,FT2,N90s &N70
Nikkor AF Zooms=28-105/3.5D,18-55/3.5GS,28-70/3.5D,35-135/3.5
Nikkor AF //50/1.8,//Nikkor MF//50/2ai,50/1.8ais 50/1.4ai,24/2.8ais,28/2.8ai,28/3.5ai,55microAis/2.8,105/2.5ai,200/4ai,300/4.5ai35-135/3.5Ais
Kiron /Kino madelenses//70-210/4ai,28-105/3.2ai,30-80/3.5ai,Viv 28/2ai,35-85/2.8aiVivS1,105/2.8AisDine,24-48/3.8ai VivS1,50-150/3.8aiViv,28-85/2.8aiViv,100/2.8Nai Viv,70-210/3.5Nai Viv,28/2.5ai VivKomine made Viv//24/2Ais,135/2.8aiCF,28-50/3.5ai,28-90/2.8ai Viv S1,80-200/4.5aiCosina made Viv 19/3.8 Ais...Also Sigma 24/2.8 Ais Tokina made24/2.8ai VivAF Sigma 21-35/3.5,& other lenses |
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Jekku
Joined: 11 Sep 2009
Posts: 10
Location: Finland
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| Posted: Tue Sep 22, 2009 4:34 pm Post subject: |
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| mikkokam wrote: |
Jekku -
Which split screen do you have?
From your description, you could have the focusing screen upside down - or you have two focusing screens stacked?
My split screen is working very well now that I (as said) reversed it and calibrated it. It is easy to install it upside down.
You did remove the original focusing screen, didn't you?
And yes, tervetuloa - nice to see more Finns here.
Mikko |
Mikko, I did remove the original.
It shouldn't be upside down... When it was it focused so much front I noticed it immediately.
Flatside, you mean the side that's completely flat, as in no smaller square on top?
I've got 30D if someone finds the info useful.
The screen was bought from the same ebay dealer you bought it, Mikko, phopix88.
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