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  1. #1
    Join Date
    Feb 2006
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    Cool Focusing Screens

    One of the unique qualities of the Full Frame body (α850/α900) is the interchangeable focus screens. The standard screen, that comes in the body, is the G.

    There are two others, the M for manual focusing assistance and the L for a grid layout, which helps in lining up subjects, architecture and, yeah, horizons.

    Since I have a swipe (5) of manual focus lenses, I decided to change to the M screen and have noticed that it does improve the focusing acuity of the viewfinder. Is it worth the $50 (part and shipping)? Hard to say I guess it depends on how often you are forced to make a manual focus. I know I enjoy the use of the Katz-Eye Focus Assistant in the α700 (which you can no longer get, Im afraid) and it just makes sense to have both cameras capable of the same type of shot, with any of my lenses.

    Anyway, the part number ...

    for the MANUAL FOCUS SCREEN is: FDA-FM1AM

    for the GRID SCREEN is: FDA-FL1AM

    The kits come with a removal tool, which is basically a flat blade for releasing the screen holder attached to the end of a plastic tweezer-tool for non-finger removal of the screen. The screen and tool come together in a small plastic, durable container, for safe storage.

    Name:  FDA-FM1AM.jpg
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    Also, there is a menu selection called "Focusing Screen" that must be done to modify the cameras metering system for each particular screen ("G","M", or "L") that is in use. Only one type can be used at a time.
    Last edited by DonSchap; 10-06-2009 at 08:42 PM.
    Don Schap - BFA, Digital Photography
    A Photographer Is Forever
    Look, I did not create the optical laws of the Universe ... I simply learned to deal with them.
    Remember: It is usually the GLASS, not the camera (except for moving to Full Frame), that gives you the most improvement in your photography.

    flickr & Sdi

  2. #2
    Join Date
    Dec 2006
    Location
    God's Country - Australia
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    10,424
    i thought all cameras had a grid overlay option. obviously not.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

  3. #3
    Join Date
    Dec 2007
    Posts
    1,760
    You need good lighting to use it though...ih ave tried several times but always end up taking it back out

  4. #4
    Join Date
    Feb 2006
    Location
    Des Plaines, IL
    Posts
    9,560
    After using the Katz-Eye, in the A700, which has split focus ... I am conditioned to it.
    Don Schap - BFA, Digital Photography
    A Photographer Is Forever
    Look, I did not create the optical laws of the Universe ... I simply learned to deal with them.
    Remember: It is usually the GLASS, not the camera (except for moving to Full Frame), that gives you the most improvement in your photography.

    flickr & Sdi

  5. #5
    Join Date
    Dec 2007
    Posts
    1,760
    I grew up with it in all my srt 700 ect...hated it most of the time..spent most of your time looking for a pole..lol

  6. #6
    Join Date
    Dec 2007
    Posts
    1,760
    I may just have to buy another a900...one with one without..lol

  7. #7
    Join Date
    Jun 2005
    Location
    Sydney, Australia
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    1,680
    Quote Originally Posted by Rooz View Post
    i thought all cameras had a grid overlay option. obviously not.
    No Rooz...that is one feature that caught me by surprise with my Canon 400D and then the same with the 50D
    Canon 5D MKlll & Canon 50D
    Canon 70-200mm f/2.8L USM | Canon EF-S 17-55mm f/2.8 IS USM | Canon EF-S 10-22mm f/3.5-4.5 USM | Canon 100mm f/2.8 USM Macro | Canon 70-300mm f/4-5.6 IS USM | Canon 50mm f/1.8 | Sigma 17-70mm f/2.8-4.5 | Canon 430EX Flash | Lowepro Mini Trekker AW | Lowepro Toploader 65 AW | Lowepro Slingshot 200AW | Kata 3n1-10

    Panasonic Lumix FZ200
    Panasonic Lumix TZ7 (aka ZS3)
    Panasonic Lumix FT3 (aka TS3)

    Ali Baba.....the Thief of Bad Gags

  8. #8
    Join Date
    Jun 2008
    Posts
    2,204
    Quote Originally Posted by Honest Gaza View Post
    No Rooz...that is one feature that caught me by surprise with my Canon 400D and then the same with the 50D
    Really? The 50D doesn't have an option for a grid? I find that hard to believe. It has one of those LCDs overlayed on the VF. They could project anything they wanted.
    flickr

    Canon 7D - 5D | 550EX - 430EX II - (2) PW FlexTT5 | 24-105 f4L | 70-200 f2.8L IS | 100 f2.8L IS | 50 f1.8 II

  9. #9
    Join Date
    Dec 2007
    Posts
    1,760
    OK I WAS THINKING THE M TYPE WAS THE SPLIT PRISM...

    FDA-FM1AM IS A super-spherical accu matte
    AND REGULAR /FACTORY IS A
    spherical accu matte

    SO HOW MUCH DO YOU GAIN WITH THE WORD...SUPER???

  10. #10
    Join Date
    Jun 2005
    Location
    Sydney, Australia
    Posts
    1,680
    Quote Originally Posted by dr4gon View Post
    Really? The 50D doesn't have an option for a grid? I find that hard to believe. It has one of those LCDs overlayed on the VF. They could project anything they wanted.
    You can replace Focusing Screen (as per Don's thread topic)...but otherwise, the only overlay grid is if you are using the Live View Mode (ie LCD Screen).
    Canon 5D MKlll & Canon 50D
    Canon 70-200mm f/2.8L USM | Canon EF-S 17-55mm f/2.8 IS USM | Canon EF-S 10-22mm f/3.5-4.5 USM | Canon 100mm f/2.8 USM Macro | Canon 70-300mm f/4-5.6 IS USM | Canon 50mm f/1.8 | Sigma 17-70mm f/2.8-4.5 | Canon 430EX Flash | Lowepro Mini Trekker AW | Lowepro Toploader 65 AW | Lowepro Slingshot 200AW | Kata 3n1-10

    Panasonic Lumix FZ200
    Panasonic Lumix TZ7 (aka ZS3)
    Panasonic Lumix FT3 (aka TS3)

    Ali Baba.....the Thief of Bad Gags

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