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Archive 2013 · Canon 5D mk II focus screen: EG-S or Brightscreen #5 larg...
  
 
michaelbennati
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p.1 #1 · Canon 5D mk II focus screen: EG-S or Brightscreen #5 large split image microprism?


I just got a carl zeiss 85mm f1.4 manual lens for my 5D mk 2.

I have currently the EG-S focus screen from Canon installed. I find it hard to nail focus on people.

Have you tried the Brightscreen #5 large split image microprism?

Would I be better of with that one?

Thanks.

(not sure if this is the right forum for such a question?)

--
best regards
Michael
my portfolio:
https://plus.google.com/photos/117912300035031965170/albums/5726527399663302321



Jan 28, 2013 at 01:59 PM
Mike K
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p.1 #2 · Canon 5D mk II focus screen: EG-S or Brightscreen #5 large split image microprism?


I also have a Eg-S on a 5Dii, and it helps a bit over the stock screen. Another option from the Brightscreen is a Canon Ec-b split screen, which has a smaller spit prism area, and is way cheaper, so its worth a try. The split prisim will imact your exposure for sure, but the smaller area will be less.

Since I normally shoot on a tripod I always use Live View 5-10X, which I find immensely more reliable than a viewfinder. Live View is strongly recommended, and the magnified area can be anywere in the image. Just remember the exposure will also be set from the magnify rectangle location.

For handheld, another option is live view "Live" or contrast detect AF. Although slower than phase detect AF, it it usually no slower than manual focus and the focus point can be moved anywhere within the image.
Mike K



Jan 28, 2013 at 08:31 PM
michaelbennati
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p.1 #3 · Canon 5D mk II focus screen: EG-S or Brightscreen #5 large split image microprism?


Thanks Mike.
I hope to be able to shoot people with this lens, people moving a little bit, so tripod and live view is not an option here.
"contrast detect AF" ? Is that a setting? Remember it's an all manual lens so AF won't work though AF confirmation works (bip + blinking red AF point).



Jan 28, 2013 at 08:39 PM
Mike K
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p.1 #4 · Canon 5D mk II focus screen: EG-S or Brightscreen #5 large split image microprism?


Yes use focus confirm with a MF lens. I preseclect the AF point, half press the shutter and rotate the lens focus ring until beep and flash confirm. I usually rock the focus ring back and forth a bit to center the focus confirm response.

The contrast detect AF is a Live View "live" setting, whereas live view "quick" is phase detect. Contrast detect is slower, but has the advantage of not requiring calibration: it simply optimizes detector contrast in the AF rectangle. This is what P&S digicams use to focus.
Focus confirm will not work with live View, thus will not work with contrast detect which is a LV choice. Sorry for that confusion.
Mike K



Jan 28, 2013 at 11:50 PM





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