Canon EOS 1v focusing screen question

[Michael R 1974]

Can you change them yourself or does it have to be done by Canon?

thanks

[brucemuir]

The screens come with the removal tool/tweezers.
Takes maybe 15 seconds.

[Michael R 1974]

Excellent news! Thanks for the quick reply, Bruce.
Michael

[chioque]

Which one are you installing on your 1v?

[Michael R 1974]

I only manual focus, and don't use the meter in the camera, so I'd like to buy 2 screens:

EC-B (standard split image with microprism collar)
EC-D (matt with gridlines)

[Katie]

I put in the EEs (I think) which helps trmendously with manually focusing my fast glass. It just the super sensitive microprism one... Took me a few seconds to do, but a few days to work up the nerve!

[brucemuir]

I put in the EEs (I think) which helps trmendously with manually focusing my fast glass. It just the super sensitive microprism one... Took me a few seconds to do, but a few days to work up the nerve!

Yep, I put one on my 5D (opps did I just cop to having a 5D )
I think its an "S"

I believe the standard af screens are optimized for lenses with max aperture of 2.8

[Michael R 1974]

What does "optimized" mean in this case? If I put and EC-B or EC-D in the EOS 1v to use with a 24mm TSE (f3.5) am I ok?

[brucemuir]

Michael,
I believe the deal is all screens except the "s" can show dof for 2.8 and greater due to how coarse the ground glass/screen is.
So a 3.5 T/S would be fine with all the screens.

The reason they made the "S" line of screens was for faster than 2.8.
It supposedly shows the smaller dof that say a 1.4 or f/2 lens is capable of.

[Katie]

I think Bruce is right. I got it for my adapted Rokkor lenses (50 1.2, etc...)