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Thread: Flash problems ?

  1. #1

    Default Flash problems ?

    Hi guys

    i just bought a external flash for my A230 brand is sunblitz 4000. When i shoot in auto mood the picture
    always come out badly illuminated. I have to use Manual or shutter priority mode. When using shutter
    priority mode any thing above 1/160 shutter speed will be badly illuminated. Anyone have this problem
    with cheap flash before ??

  2. #2

    Default Re: Flash problems ?

    How bad is 'badly illuminate'?

  3. #3

    Default Re: Flash problems ?

    Well, you know what they say... you get what you pay for...

    Also, keep in mind the flash sync speed of your body.
    Alpha

  4. #4

    Default Re: Flash problems ?

    Here you go:
    Camera tech data for Sony Alpha DSLR-A230

    Flash x-sync speed for the A230 is 1/160s. Anything higher than that and you risk issues with your shutter curtain obscuring the image.
    Alpha

  5. #5

    Default Re: Flash problems ?

    if using TTL flash, its better to use in M mode so u can set your shutter, aperture, ISO and leave the flash to determine the flash power.

    that allows u to have more control in terms of the type of pic u want to get.

    as mentioned, your camera's max sync speed is 1/160. so anything above that, your guess is as good as mine - u probably won't get a good pic.

    also, need to have realistic expectations abt flash, whether cheap or expensive flash. for example, its not realistic to shoot at F11, ISO200, 1/160 at a subject at the far end of a dark room with the flash bounced off a high ceiling and expecting to get a magically bright picture.

    when shooting indoors for family / friends gatherings, i normally bump up the ISO and reduce the shutter speed so the flash don't have to work so hard and to allow me to bounce the flash so i don't get the "deer-in-headlight" effect by blasting a flash directly into their eyeballs. higher ISO and lower shutter speed also allows me to capture the ambient light better so i get a nicer BG. thats just my newbie preference

  6. #6

    Default Re: Flash problems ?

    Quote Originally Posted by Rashkae View Post
    Here you go:
    Camera tech data for Sony Alpha DSLR-A230

    Flash x-sync speed for the A230 is 1/160s. Anything higher than that and you risk issues with your shutter curtain obscuring the image.
    Hi bro exactly wat happened to my cam once above 1/160 is out of sync. will this happen to other
    sony cam ?

  7. #7

    Default Re: Flash problems ?

    Quote Originally Posted by detritus View Post
    if using TTL flash, its better to use in M mode so u can set your shutter, aperture, ISO and leave the flash to determine the flash power.

    that allows u to have more control in terms of the type of pic u want to get.

    as mentioned, your camera's max sync speed is 1/160. so anything above that, your guess is as good as mine - u probably won't get a good pic.

    also, need to have realistic expectations abt flash, whether cheap or expensive flash. for example, its not realistic to shoot at F11, ISO200, 1/160 at a subject at the far end of a dark room with the flash bounced off a high ceiling and expecting to get a magically bright picture.

    when shooting indoors for family / friends gatherings, i normally bump up the ISO and reduce the shutter speed so the flash don't have to work so hard and to allow me to bounce the flash so i don't get the "deer-in-headlight" effect by blasting a flash directly into their eyeballs. higher ISO and lower shutter speed also allows me to capture the ambient light better so i get a nicer BG. thats just my newbie preference
    Haha thanks at least that clear my doubt. But will this happen to build in flash ?
    coz i bought a cam from this forum with a spoilt Flash..

  8. #8

    Default Re: Flash problems ?

    Quote Originally Posted by enforcer533 View Post
    Hi bro exactly wat happened to my cam once above 1/160 is out of sync. will this happen to other
    sony cam ?
    it affects ALL cameras.

  9. #9

    Default Re: Flash problems ?

    Quote Originally Posted by kei1309 View Post
    it affects ALL cameras.
    So be it what brand of flash i use, the shutter speed goes above 1/160
    i will still get badly illuminated pictures ?

  10. #10

    Default Re: Flash problems ?

    I think posting a sample photo will be better.
    Its rather hard for me to understand what 'badly illuminated' means.

  11. #11

    Default Re: Flash problems ?

    Quote Originally Posted by enforcer533 View Post
    Haha thanks at least that clear my doubt. But will this happen to build in flash ?
    coz i bought a cam from this forum with a spoilt Flash..
    "spoilt" as in doesn't fire off? or "spoilt" as in doesn't expose correctly?

    the on-board flash will follow the same max sync speed.

    Quote Originally Posted by enforcer533 View Post
    So be it what brand of flash i use, the shutter speed goes above 1/160
    i will still get badly illuminated pictures ?
    unless your camera and flash supports high speed sync. not sure abt sony equipment.

    but u already using flash already - shutter speed set so fast for what?

  12. #12

    Default Re: Flash problems ?

    Quote Originally Posted by enforcer533 View Post
    Hi bro exactly wat happened to my cam once above 1/160 is out of sync. will this happen to other
    sony cam ?
    go readup on how the shutter curtain works, before and after x-sync speed.

  13. #13

    Default Re: Flash problems ?

    Quote Originally Posted by enforcer533 View Post
    Hi bro exactly wat happened to my cam once above 1/160 is out of sync. will this happen to other
    sony cam ?
    You can get exposure problems, "black sections" in the pic, etc. This is NORMAL for all DSLR cameras. If you need a faster flash synch, you need a higher-end camera. For example, an A77.
    Alpha

  14. #14

    Default Re: Flash problems ?

    Here's a good example of what can happen if you exceed the x-sync speed:

    http://www.clubsnap.com/forums/gener...dio-shoot.html
    Alpha

  15. #15

    Default Re: Flash problems ?

    Quote Originally Posted by detritus View Post
    "spoilt" as in doesn't fire off? or "spoilt" as in doesn't expose correctly?

    the on-board flash will follow the same max sync speed.



    unless your camera and flash supports high speed sync. not sure abt sony equipment.

    but u already using flash already - shutter speed set so fast for what?

    Hi bro spoilt as in totally cannot work ..

  16. #16

    Default Re: Flash problems ?

    hi guys i think i knw the reason behind it when ever i on my flash,
    the shutter speed will go 1/60 and aperture will be F5.6 stagnant.
    is that normal ?? reason y i get image darker then usual is because
    of the F5.6 . when i off the flash, it goes back to normal.

  17. #17

    Default Re: Flash problems ?



    Uploaded with ImageShack.us



    Uploaded with ImageShack.us


    Hi all the 1st picture was taken in auto mode
    while the 2nd pic is in manual mode. Auto always
    produce picture which is poorly lid up.

  18. #18

    Default Re: Flash problems ?

    your photo in Auto mode... the f-stop was f5.6. on Manual it was f3.5

    understand now?

  19. #19

    Default Re: Flash problems ?

    was the flash in TTL mode when you took both pics?

  20. #20

    Default Re: Flash problems ?

    Quote Originally Posted by kei1309 View Post
    your photo in Auto mode... the f-stop was f5.6. on Manual it was f3.5

    understand now?
    Yup i know in manual was 3.5 but by looking at the image
    is it normal for the lighting of the flash on auto ?

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