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Light Bleed

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    ray1
    ray1  10518 forum posts England1 Constructive Critique Points
    13 Apr 2005 - 1:28 AM

    Can anyone give any advice on preventing light bleed. I have been taking some pics of clear and coloured reflective pots and bottles using a two head flash kit with softboxes against a white background and always get light bleed/reflection from the white backdrop on the edges of the item being photgraphed. If I look at similar pictures on a packshot site they do not seem to have this problem. What am I doing wrong?

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    keithh
    keithh e2 Member 1022911 forum postskeithh vcard Wallis and Futuna31 Constructive Critique Points
    13 Apr 2005 - 2:52 AM

    Couple of things to clear up first.

    Are you lighting your background as well as the subject and are you standing your items far enough forward from the backdrop?
    Then there's the angle of the light in respect to your angle of view. ie....lighting set high, but you viewing from low will cause blow back on the light.

    Reflective items are usually best shot through a soft tent, or through a make shift muslin cover.

    ray1
    ray1  10518 forum posts England1 Constructive Critique Points
    13 Apr 2005 - 3:04 AM

    Thanks keith - I light the background seperately and have the item forward and lit with the other light. I have tried this from high up with the light pointing down, from mid height with the light pointing downwards and from the same height as the item and light on the level. I thought about a light tent or muslin cover and perhaps that might help. I have also tried the light at various power settings.

    keithh
    keithh e2 Member 1022911 forum postskeithh vcard Wallis and Futuna31 Constructive Critique Points
    13 Apr 2005 - 3:18 AM

    also ajdust your aperture settings accordingly with changing light. A very narrow aperture will accentaute any bleed.

    ray1
    ray1  10518 forum posts England1 Constructive Critique Points
    16 Apr 2005 - 1:44 AM

    Thanks Keith

    Any thoughts about continuous lighting to do the job. I believe this is probably better and used by packshot studios.

    keithh
    keithh e2 Member 1022911 forum postskeithh vcard Wallis and Futuna31 Constructive Critique Points
    16 Apr 2005 - 4:52 AM

    I use a combination on pack shots of continious and flash....if you're starting out then continious at least gives you a better in camera view of what to expect on film/or sensor. You do, however, need a serious amount of contious lighting to get the punch that brolly and ring flash gives you.

    ray1
    ray1  10518 forum posts England1 Constructive Critique Points
    16 Apr 2005 - 5:03 AM

    Hi Keith - I have a couple of 500w flash heads at the mo, but just cant get rid of the bleed/mist. I have been looking at the bowens 9lite but cant find anyone who stocks them. These give just over 1000w of continious light as opposed to the smaller trilite which are probably not bright enough.

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