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Thread: muses on dslrs

  1. #11
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    Quote Originally Posted by George Riehm
    You'll be happy to know that Rhys made up for those short answers in a later post.

    But neither of you answers the basic question. What is the actual purpose of 4:3? What is wrong with the 3:2 legacy aspect ratio currently used by both film and digital SLR's?

    Is there truely a future for 2 consumer dSLR formats?
    I don't really see any problem with 4:3. Look at a tabloid newspaper page. That's more 4:3 than 2:3. Magazines are the same. In fact, the smallest of the 120 formats 6 x 4.5 is the same as 4:3 so 4:3 is a legacy format and incidentally, is one of the most popular 120 formats.

  2. #12
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    Quote Originally Posted by Rhys
    I don't really see any problem with 4:3. Look at a tabloid newspaper page. That's more 4:3 than 2:3. Magazines are the same. In fact, the smallest of the 120 formats 6 x 4.5 is the same as 4:3 so 4:3 is a legacy format and incidentally, is one of the most popular 120 formats.
    Ok, I'll bite. How many photo journalists use a 4:3 camera vs. a 35mm or digital SLR? It's been a long time since I have seen paparazzi with a 645 hung around their neck.

    Also how does 6 x 4.5 equal a 4:3 ratio? Isn't 4:3 equal to 8 x 6 full frame?

    Maybe it's just been a long day...
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  3. #13
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    Quote Originally Posted by George Riehm
    Ok, I'll bite. How many photo journalists use a 4:3 camera vs. a 35mm or digital SLR? It's been a long time since I have seen paparazzi with a 645 hung around their neck.

    Also how does 6 x 4.5 equal a 4:3 ratio? Isn't 4:3 equal to 8 x 6 full frame?

    Maybe it's just been a long day...
    It must have been, George. 4 x 1.5 = 6, 3 x 1.5 = 4.5, or 4:3 = 6:4.5 = 8:6.

    Ray.

  4. #14
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    5:7 is very popular for sports photography which is a big part of journalism.
    They take a 2:3 image and just crop tighter.

    Landscapes would be silly with 4:3. It would be a block instead of a wide image. Even if you do panorama, you still need to crop the center portion to get a landscape look.
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  5. #15
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    Quote Originally Posted by TheObiJuan
    5:7 is very popular for sports photography which is a big part of journalism.
    They take a 2:3 image and just crop tighter.

    Landscapes would be silly with 4:3. It would be a block instead of a wide image. Even if you do panorama, you still need to crop the center portion to get a landscape look.
    Hence the occasional need for specific panoramic cameras?

  6. #16
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    By panoramas I mean 2-3 stitched 3:2 frames giving a nice and wide image. 3 4:3 images wouldn't look too wide.
    US Navy--Hooyah!

    Nikon D700/D300|17-35 f/2.8, 24-70 f/2.8, Sigmalux, 80-200 f/2.8, 16 f/2.8 fisheye,

    Lots of flashes and Honl gear.

  7. #17
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    Quote Originally Posted by AllanMarcus
    The dust cleaning system sounds great, but everyone I've talked to says that if you are careful, dust on the sensor is not a problem, you can learn to clean it, or you can take it in to be cleaned (especially if you buy it locally).
    Or you can build your own piezzo-electric anti-static ioniser gun
    "...and only the stump, or fishy part of him remained."
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  8. #18
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    Quote Originally Posted by TheObiJuan
    By panoramas I mean 2-3 stitched 3:2 frames giving a nice and wide image. 3 4:3 images wouldn't look too wide.
    No but I've done 360 degree panoramas with stitched 3 megapixel 4:3 images.

  9. #19
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    Dan in the pentax forum on dpreview made the chart below... helps to visualise the difference

    As I only print in 6x4 and A4, 4:3 holds no advantages for me over 3:2, and as I still shoot film aswell, I prefer to stay with 6x4 for my small prints (so the advantage goes to 3:2)...

    ------
    Joel - Canon 50d, EF16-35/2.8 Mk1, Σ 50/1.4, EF100/2.8 Macro, EF70-200/4 IS, 430EX II
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  10. #20
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    WOW, now that almost makes me a believer in the 4:3 system... If only Oly could get their high ISO noise under control.
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