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Thread: Ring flash

  1. #61
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    Default Re: Ring flash

    Quote Originally Posted by ortega View Post
    according to their website, the sigma one have iTTL

    http://www.sigmaphoto.com/flashes/fl...ls.asp?id=3258
    Good choice but I think jeanie can't use this.

    The sigma ring flash, if I remamber correctly, is a 52mm filter size. Our dear jeanie's lens all big big one, filter size bigger than 52mm.

    What to do? That's the down side to being able to afford good lens
    I get paid more shooting part time ...... damn, I should find more time to shoot part time

  2. #62

    Default Re: Ring flash

    Quote Originally Posted by yqt View Post
    2 diff views but I tent to agreed with theRBK on this.

    I've used the Bowen flash before many years back and it is as what theRBK have stated, subject close to b/g, the ring flash will cast a even/halo shadow around the subject. Depanding on how far the subject is from the b/g, the halo shadow will be either bigger or smaller but even when the subkect is resting on the b/g, there is still a halo shadow. The way to "remove the halo shadow is to place the subject away from the b/g and either light up the b/g or to keep the b/g darker than the halo shadow so that it blands into the b/g. We were using a Bowen ringlight with a defuser so the shadow was a soft halo shadow.
    I think you are right...


    BC

  3. #63

    Default Re: Ring flash

    Quote Originally Posted by ortega View Post
    according to their website, the sigma one have iTTL

    http://www.sigmaphoto.com/flashes/fl...ls.asp?id=3258
    I still have a Sunpak one but only TTL, no iTTL and not even dTTL, so cannot use with dSLR unless I want to use manual power control. But if shooting macro insects, by the time you adjust something, it will be gone..

  4. #64
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    Default Re: Ring flash

    Quote Originally Posted by jeanie View Post
    actually, for studio shoot, even not using ringflash, but normal studio strobes,subject is suppose to stand further from backdrop aint it?
    Not really, depands on the concept that you want. You only die die must have the subject away from the b/g if you don't want any shadow ( actually, this one can backlight ), want to cast a light on b/g, maintain a diff f/stop between subject and b/g or to pervent colour cast reflected from the b/g to the subject, just to name a few, other that that, I don't see why not?
    I get paid more shooting part time ...... damn, I should find more time to shoot part time

  5. #65
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    Default Re: Ring flash

    Quote Originally Posted by Scaglietti View Post
    I think you are right...


    BC
    cheers
    I get paid more shooting part time ...... damn, I should find more time to shoot part time

  6. #66
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    Default Re: Ring flash

    Quote Originally Posted by lsisaxon View Post
    I still have a Sunpak one but only TTL, ...........
    filter size 52mm? please see post #61
    I get paid more shooting part time ...... damn, I should find more time to shoot part time

  7. #67

  8. #68
    Moderator catchlights's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by jeanie View Post
    actually, for studio shoot, even not using ringflash, but normal studio strobes,subject is suppose to stand further from backdrop aint it?
    suppose so, but depends what effects you want to achieve,
    ideally, if you use a normal lens to shoot a full length subject, the subject to background distance is the same as camera to subject distance, so you are able to use another lights to light the background separately and will not affected by main or key light.
    Last edited by catchlights; 5th January 2007 at 04:36 PM.
    Shoot to Live, Live to Shoot
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  9. #69

    Default Re: Ring flash

    Quote Originally Posted by yqt View Post
    Good choice but I think jeanie can't use this.

    The sigma ring flash, if I remamber correctly, is a 52mm filter size. Our dear jeanie's lens all big big one, filter size bigger than 52mm.

    What to do? That's the down side to being able to afford good lens
    According to the manual (http://www.sigmaphoto.com/flashes/manuals/F30NA.pdf)

    "55mm, and 58mm filter MacroFlash Adapters are bundled with your flashgun. If you want to attach your flashgun to a lens which has a different filter size then please purchase separately a MacroFlash Adapter.(Only 52mm, 62mm, 72mm, 77mm macroflash adapters are available)"


    BTW, I am curious to find out... has anyone has tried a macro ringflash for portraits? What is the effect like?

    BC

  10. #70
    Moderator ortega's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by lsisaxon View Post
    I still have a Sunpak one but only TTL, no iTTL and not even dTTL, so cannot use with dSLR unless I want to use manual power control. But if shooting macro insects, by the time you adjust something, it will be gone..
    if you shoot macro at max reproduction all the time
    then the flash to subject will be the same
    so you can set to Manual, get the correct aperture
    and shoot without worries

  11. #71

    Default Re: Ring flash

    Quote Originally Posted by ortega View Post
    if you shoot macro at max reproduction all the time
    then the flash to subject will be the same
    so you can set to Manual, get the correct aperture
    and shoot without worries
    the master of macro has spoken. Jot it down.

  12. #72
    Moderator ortega's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by jopel View Post
    the master of macro has spoken. Jot it down.
    master your head

    I have not shot macro for awhile already
    maybe it is time to go hunting again

  13. #73
    Moderator catchlights's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by Scaglietti View Post
    ........................


    BTW, I am curious to find out... has anyone has tried a macro ringflash for portraits? What is the effect like?

    BC
    like this
    Shoot to Live, Live to Shoot
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  14. #74

    Default Re: Ring flash

    Quote Originally Posted by jeanie View Post
    am thinking of getting a ring flash.
    i'm talking about huge type that can reflect in the subject's pupils.
    i did a search and realised there's one for sale at 4.5k.
    too expensive.
    are there any cheaper recommendations?
    Looking for 1 also ..
    can try out the sigma Ring flash.. other then that.. the cost will be the next hindering factor

  15. #75

    Default Re: Ring flash

    Quote Originally Posted by ortega View Post
    if you shoot macro at max reproduction all the time
    then the flash to subject will be the same
    so you can set to Manual, get the correct aperture
    and shoot without worries
    Good point you have there. But unfortunately, handheld macro shots doesn't always allow me to fix my magnification ratio. But suddenly, you just gave me the thought that manual flash can actually work for me since I mostly shoot in available light most of the time, I do not really need an accurate exposure from the flash.. Time for me to bring out that ringlight again! Muhahahaha!!

  16. #76
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    Default Re: Ring flash

    Quote Originally Posted by Scaglietti View Post
    According to the manual (http://www.sigmaphoto.com/flashes/manuals/F30NA.pdf)

    "Ø55mm, and Ø58mm filter MacroFlash Adapters are bundled with your flashgun. If you want to attach your flashgun to a lens which has a different filter size then please purchase separately a MacroFlash Adapter.(Only Ø52mm, Ø62mm, Ø72mm, Ø77mm macroflash adapters are available)"

    BC
    Yeah, you're right. Only thing is that the org ring size is 52mm so even if you buy a step up ring adaptor
    the org size is still 52mm and this may cause your images to have dark shadow on the image corners ( there's a name for it.... ve... damn!! brain not working today!!! )
    I use to have a step up ring from 62mm to 77mm. When I use it on my 80-200, I get a little bit of the shadow thingy at 80mm, I suspect that jeanie's lens are mainly 72/77mm filter size.

    cheers
    Last edited by yqt; 5th January 2007 at 04:52 PM.
    I get paid more shooting part time ...... damn, I should find more time to shoot part time

  17. #77
    Moderator catchlights's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by ortega View Post
    master your head

    I have not shot macro for awhile already
    maybe it is time to go hunting again
    please teach me how to shoot macro, I'm very weak in this area, the last shot done was more than 10 years ago.
    Shoot to Live, Live to Shoot
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  18. #78

    Default Re: Ring flash

    Quote Originally Posted by yqt View Post
    Yeah, you're right. Only thing is that the org ring size is 52mm so even if you buy a step up ring adaptor
    the org size is still 52mm and this may cause your images to have dark shadow on the image corners ( there's a name for it.... ve... damn!! brain not working today!!! )
    I use to have a step up ring from 62mm to 77mm. When I use it on my 80-200, I get a little bit of the shadow thingy at 80mm, I suspect that jeanie's lens are mainly 72/77mm filter size.

    cheers
    Micro 60, 105, 105VR threads are 62mm. Micro 105 is actually 52mm but there is another outer ring on the barrel which is 62mm.
    Last edited by lsisaxon; 5th January 2007 at 04:53 PM.

  19. #79

    Default Re: Ring flash

    Quote Originally Posted by yqt View Post
    Yeah, you're right. Only thing is that the org ring size is 52mm so even if you buy a step up ring adaptor
    the org size is still 52mm and this may cause your images to have dark shadow on the image corners ( there's a name for it.... ve... damn!! brain not working today!!! )
    I use to have a step up ring from 62mm to 77mm. When I use it on my 80-200, I get a little bit of the shadow thingy at 80mm, I suspect that jeanie's lens are mainly 72/77mm filter size.

    cheers
    vigneete

  20. #80
    Moderator ortega's Avatar
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    Default Re: Ring flash

    Quote Originally Posted by lsisaxon View Post
    Micro 60, 105, 105VR threads are 62mm.
    Nikkor 105mm micro AF and AF-D is 52mm

    if i am not wrong the 105 VR is 62mm

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