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Thread: Shutter speed burst shot problem

  1. #1

    Default Shutter speed burst shot problem

    hello again guys, this time its abit more technical

    I just tried to test out my shutter speed by using the continuous shooting mode and holding the shutter button down. by right it should have up to 170 maximum burst fire shots continuous at that speed, however, it doesnt go over 20.

    Is there a problem?

    thanks

  2. #2
    Senior Member limwhow's Avatar
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    Default Re: Shutter speed burst shot problem

    This is perfectly normal.
    It is always limited by the buffer of the camera.
    And it depends very much on what is your setting:

    • jpeg or RAW
    • Any High ISO noise reduction set
    • Any elaborate in-camera image processing
    • to a much lesser extent, the speed of your memory card

    So it would be totally normal to have say, a continuous burst of 10+ shots after which the speed slows down as the memory buffer struggles to keep up.

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    Moderator catchlights's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    hello again guys, this time its abit more technical

    I just tried to test out my shutter speed by using the continuous shooting mode and holding the shutter button down. by right it should have up to 170 maximum burst fire shots continuous at that speed, however, it doesnt go over 20.

    Is there a problem?

    thanks
    I believe the buffer is full, unable to write the data into memory card, try change your image setting to small jpg, normal compression.

    hope this help.
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  4. #4

    Default Re: Shutter speed burst shot problem

    is there a better brand of memory cards that can support this buffer problem.
    i understand what you mean by the buffering time.
    so if i want to take continuous shots of lets say 50, and i lower the file size, will the picture be pixelated or not as good?

  5. #5
    Senior Member limwhow's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    is there a better brand of memory cards that can support this buffer problem.
    i understand what you mean by the buffering time.
    so if i want to take continuous shots of lets say 50, and i lower the file size, will the picture be pixelated or not as good?
    Personally, my experience is that the memory cards doesn't affect this burst mode too much as the speed of writing for most cards are very decent nowadays.
    It still boils down to size and quality of image.
    Thus if you really want fast and continuous bursts, you have to sacrifice image quality by selecting Jpeg of smaller size.

  6. #6

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by limwhow View Post
    Personally, my experience is that the memory cards doesn't affect this burst mode too much as the speed of writing for most cards are very decent nowadays.
    It still boils down to size and quality of image.
    Thus if you really want fast and continuous bursts, you have to sacrifice image quality by selecting Jpeg of smaller size.
    Quote Originally Posted by catchlights View Post
    I believe the buffer is full, unable to write the data into memory card, try change your image setting to small jpg, normal compression.

    hope this help.
    Quote Originally Posted by limwhow View Post
    This is perfectly normal.
    It is always limited by the buffer of the camera.
    And it depends very much on what is your setting:

    • jpeg or RAW
    • Any High ISO noise reduction set
    • Any elaborate in-camera image processing
    • to a much lesser extent, the speed of your memory card

    So it would be totally normal to have say, a continuous burst of 10+ shots after which the speed slows down as the memory buffer struggles to keep up.

    thanks guys, i just tried it again this time using the Small file settings with tt jigsaw shaped sign next to it, and i got up to 100 shots

    thanks

  7. #7

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    is there a better brand of memory cards that can support this buffer problem.
    i understand what you mean by the buffering time.
    so if i want to take continuous shots of lets say 50, and i lower the file size, will the picture be pixelated or not as good?
    If i am not wrong, you can purchase a higher class memory card...but these are more expensive....

  8. #8

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by iczazache View Post
    If i am not wrong, you can purchase a higher class memory card...but these are more expensive....
    Im guessing this problem doesnt happen with flash cards , am i right to say that?

  9. #9

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    hello again guys, this time its abit more technical

    I just tried to test out my shutter speed by using the continuous shooting mode and holding the shutter button down. by right it should have up to 170 maximum burst fire shots continuous at that speed, however, it doesnt go over 20.

    Is there a problem?

    thanks
    check the manual or fine print just what conditions are required for the "by right it should have up to 170 maximum burst fire shots continuous at that speed" claim.

    as for which card...i also dont know which one to recommend since manufacturers dont exactly put down the read/write speed of buffer to the memory card. so in all fairness, could be a 60mb/s card in a 15mb/s camera and vice versa.
    Last edited by Reportage; 3rd July 2010 at 02:44 AM.
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  10. #10
    Senior Member zac08's Avatar
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    Default Re: Shutter speed burst shot problem

    Note that there are bottlenecks in all the various portions.

    1. Size of buffer in camera.
    2. Size of the file written to the card.
    3. Write speed of the camera.
    4. Write speed of the memory card.

    All these will contribute to the maximum effective shooting speed in your camera.
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  11. #11
    Member jsprtan's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    is there a better brand of memory cards that can support this buffer problem.
    i understand what you mean by the buffering time.
    so if i want to take continuous shots of lets say 50, and i lower the file size, will the picture be pixelated or not as good?
    I think u should upgrade to a 7D. I did 50 shoots continuous at fine setup.

  12. #12
    Moderator Octarine's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    Im guessing this problem doesnt happen with flash cards , am i right to say that?
    Not sure what brings you to that conclusion.
    Here a benchmarking test with various cameras and memory cards. Select your camera and see for yourself.
    http://www.robgalbraith.com/bins/mul...e.asp?cid=6007
    EOS

  13. #13

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by Octarine View Post
    Not sure what brings you to that conclusion.
    Here a benchmarking test with various cameras and memory cards. Select your camera and see for yourself.
    http://www.robgalbraith.com/bins/mul...e.asp?cid=6007
    Hello again octarine,

    think we had alittle misunderstanding in the past post, may be its just hard to tell the tone of a person by type writen communications, so yah hope there are no hard feelings.

    Any way, I'm not too sure what is the difference between a flash card and an sd card, from what i assume, the higer end cameras like the canon 50D and the 7D uses flash cards while the 450D and 500D uses sd cards, so by that i sorta assumes tt the flash cards are used for higher end shooting and therefore might be a higher end form of data storage

    but yah, i will look into that link

    thanks

  14. #14
    Moderator daredevil123's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    Hello again octarine,

    think we had alittle misunderstanding in the past post, may be its just hard to tell the tone of a person by type writen communications, so yah hope there are no hard feelings.

    Any way, I'm not too sure what is the difference between a flash card and an sd card, from what i assume, the higer end cameras like the canon 50D and the 7D uses flash cards while the 450D and 500D uses sd cards, so by that i sorta assumes tt the flash cards are used for higher end shooting and therefore might be a higher end form of data storage

    but yah, i will look into that link

    thanks
    SD card is a flash (memory) card.
    CF (compact flash) is also a flash (memory) card.

    Both type of media has speed ratings associated with different classes/generations. One cannot say a CF card will always be faster than a SD card. Even CF cards have several iterations: CF, CF-II, CF-microdrive, UDMA. And SD too: SD, SDHC, SDXC.

    You really have to compare apples to apples. Some SD cards are faster than some CF cards. And some CF cards are faster than SD cards.
    Last edited by daredevil123; 4th July 2010 at 01:44 AM.

  15. #15
    Moderator Octarine's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    think we had alittle misunderstanding in the past post, may be its just hard to tell the tone of a person by type writen communications, so yah hope there are no hard feelings.
    No worries, I'm cool. Yeah, I know I sound harsh at times, never acquired much skills in sugar coating words But I'll try.

    Any way, I'm not too sure what is the difference between a flash card and an sd card, from what i assume, the higer end cameras like the canon 50D and the 7D uses flash cards while the 450D and 500D uses sd cards, so by that i sorta assumes tt the flash cards are used for higher end shooting and therefore might be a higher end form of data storage
    Hope this link gives more inside view: http://en.wikipedia.org/wiki/Comparison_of_memory_cards
    Basically, the raw material is the same. The difference is the interface and certain other features (DRM, write protection, interface speed) etc. Also, there is a difference how those cards are addressed at system level. My guess: since SD / SDHC are typically used in many consumer devices (handphones etc.) they were introduced into the consumer models recently. My old 350D uses CF cards, no SD. CF remains the storage for professional usage. Personally, I prefer the bigger CF cards over the flimsy little SD cards.
    Finally, what matter for your problem is the interface speed of card and camera. The weakest link (or here: the slowest link) defines the overall speed.
    EOS

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    Member jsprtan's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by daredevil123 View Post
    You really have to compare apples to apples. Some SD cards are faster than some CF cards. And some CF cards are faster than SD cards.
    Hi Bro daredevil, thanks for your tips on EV compensation.

    Quote Originally Posted by Octarine View Post
    Basically, the raw material
    The raw material is not the same, very different. First we have to understand a few computer terms
    1. Bus speed -the speed of data transfer through a system
    2. byte and bits - Where usually 8 / 16 / 32 bit = 1 byte depending on your system.

    The raw material is not the same as the whole architecture is different and if u flip the 2 card over u be able to tell the difference. SD have 9 to 11 connections pin whereas CF has 50 Pins.

    SO if we have a CF and a SD card that share the same bus speed, the SD card can only transfer 4 bit compared to 16 bit on the CF card for each signal. This is limited by the number of pins. Due to this limitation, CF will be faster. This is why all higher end camera that required faster speed runs solely one CF card.

    Why SD card is more popular on other electronic device, well it is also pretty obvious. The size, it is smaller which is critical for hand phone and small MP3 player. The other reason is that alot of handphone are still on the 8 bit architect so they don't need 16 bit.

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    Moderator daredevil123's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by jsprtan View Post
    Hi Bro daredevil, thanks for your tips on EV compensation.



    The raw material is not the same, very different. First we have to understand a few computer terms
    1. Bus speed -the speed of data transfer through a system
    2. byte and bits - Where usually 8 / 16 / 32 bit = 1 byte depending on your system.

    The raw material is not the same as the whole architecture is different and if u flip the 2 card over u be able to tell the difference. SD have 9 to 11 connections pin whereas CF has 50 Pins.

    SO if we have a CF and a SD card that share the same bus speed, the SD card can only transfer 4 bit compared to 16 bit on the CF card for each signal. This is limited by the number of pins. Due to this limitation, CF will be faster. This is why all higher end camera that required faster speed runs solely one CF card.

    Why SD card is more popular on other electronic device, well it is also pretty obvious. The size, it is smaller which is critical for hand phone and small MP3 player. The other reason is that alot of handphone are still on the 8 bit architect so they don't need 16 bit.
    They are all semi-conductor. But the architecture of the chip are very different from generation to generation.

  18. #18

    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by ShawnKohJyhShen View Post
    Any way, I'm not too sure what is the difference between a flash card and an sd card, from what i assume, the higer end cameras like the canon 50D and the 7D uses flash cards while the 450D and 500D uses sd cards, so by that i sorta assumes tt the flash cards are used for higher end shooting and therefore might be a higher end form of data storage
    Without going into the specifics of whether CF or SD cards are faster (its depends which one you are comparing actually), just a slight note that your generalisation that flash card are used for higher end models is not really accurate. The 300D, 350D and 400D uses flash cards.

  19. #19
    Moderator Octarine's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by jsprtan View Post
    The raw material is not the same, very different.
    Both is flash memory, right?

    Quote Originally Posted by jsprtan View Post
    First we have to understand a few computer terms
    1. Bus speed -the speed of data transfer through a system
    2. byte and bits - Where usually 8 / 16 / 32 bit = 1 byte depending on your system.
    The raw material is not the same as the whole architecture is different and if u flip the 2 card over u be able to tell the difference. SD have 9 to 11 connections pin whereas CF has 50 Pins.
    SO if we have a CF and a SD card that share the same bus speed, the SD card can only transfer 4 bit compared to 16 bit on the CF card for each signal. This is limited by the number of pins. Due to this limitation, CF will be faster. This is why all higher end camera that required faster speed runs solely one CF card.
    This is exactly what I described (admittedly, quite briefly) in:
    The difference is the interface and certain other features (DRM, write protection, interface speed) etc. Also, there is a difference how those cards are addressed at system level.
    EOS

  20. #20
    Moderator daredevil123's Avatar
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    Default Re: Shutter speed burst shot problem

    Quote Originally Posted by Octarine View Post
    Both is flash memory, right?
    All are silicon.

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