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chick7423
Joined: 20 Jan 2008
Posts: 7
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 Posted: Mon Mar 24, 2008 11:36 am Post subject: How come the shutter speed does not go faster (1/200+) when |
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| [Camera: Nikon D80. External Flash: SB-800]I normally use the external flash for indoor usage, but I would like to use it for outdoor to shoot models when the lighting on models is not enough. As to my experience in photography, I only started from last November, so I am not completely familier with all the functions on camera. Then, I tried to adjust the shutter speed fast (1/600 - 1/2000) like I always do outdoor, and I realized that the camera does not allow the shutter speed to go higher than 1/200 with my external flash on. With this setup the image comes out completely white while the f/# is small (f/3.5). I know that I can increse the f/#, but that way the blur image on the background is vanished, so the model does not stand out. Do you know any solution while I still use the external flash outdoor ? Thanks in advance. |
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jennababe_687808
Joined: 01 Mar 2008
Posts: 6
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| Posted: Mon Mar 24, 2008 3:09 pm Post subject: How come the shutter speed does not go faster (1/200+) when |
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| You can use a slow shutter speed like 1/24 or 1/48 and not use the flash. And open the iris all the way, that way you achiev a "shallow depth of field" and have sufficient exposure.Or you can Have the models stand still, manually hold the shutter open, until you feel you've got a sufficient exposure. Just be sure to use a tri-pod for this. Or you can have the iris open wide to like a F-1.0, F-1.4, F-2.0, F-2.8, keep the flash on, and put on some ND filters that way you can still maintain a "Shallow depth of field" and your picture will have sufficient exposure. An ND 1.9 will knock you down 4 stops. So if your iris is at an F-2.0 you will be knocked "down" to a F-8.0. A ND .9 will knock you down 3 stops. An ND. 6 will knock you down 2 stops. An ND .3 will knock you down 1 stop. You can combine an ND 1.9 and a .9 and knock down your exposure to 7 stops, and still keep your iris wide open and still be able to achieve a "shallow depth of field" |
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JM9761
Joined: 31 Jan 2008
Posts: 20
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| Posted: Mon Mar 24, 2008 6:43 pm Post subject: How come the shutter speed does not go faster (1/200+) when |
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| Question: How come the shutter speed does not go faster (1/200+) when an external flash is on?Answer: because 200th must be the maximum sync speed for flash on a D80a |
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cindarella
Joined: 22 Nov 2007
Posts: 3
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| Posted: Mon Mar 24, 2008 10:16 pm Post subject: How come the shutter speed does not go faster (1/200+) when |
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| Antoniki is right saying that 1/200 is the sync speed. This is shown in the table on page 143 of your manual as "up to 1/200s."What this means is that 1/200 sec is the fastest speed the D80 offers where the shutter is actually COMPLETELY open at some point during the exposure. A shutter has two curtains. One of them opens fully, moving from bottom to top (or vice versa...), and then the other one closes by following the first curtain in the same direction. At speeds faster than 1/200, the second curtain actually starts to close before the first one has opened completely. If the flash is used at one of these faster speeds, only a portion of your sensor will be exposed to light when the flash goes off, giving an image with uneven lighting.Here you go. I just made up a little tutorial for you. Read the caption.http://www.flickr.com/photos/samfeinstein/2157860922/You might be able to use a lower ISO, like ISO 100, outdoors in order to use a shutter speed as low as 1/200 while still getting a decent exposure. This would allow you to use your flash as a fill flash. You might also try reducing the output of your flash to 1/4 or lower to get a more balanced fill. You will still need to limit yourself to the 1/200 sync speed, though.If that is just unacceptable, find some other way to supplement your lighting, like using a reflector or another light source. |
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francinedd
Joined: 01 Nov 2007
Posts: 4
Location: US
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| Posted: Tue Mar 25, 2008 1:49 am Post subject: How come the shutter speed does not go faster (1/200+) when |
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| The max sync speed is 200th. |
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Gman-021
Joined: 24 Jan 2008
Posts: 3
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| Posted: Tue Mar 25, 2008 5:23 am Post subject: How come the shutter speed does not go faster (1/200+) when |
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| You have to activate auto FP high sync speed in the camera to go above the 1/200 Read 25 on page 98 of the user manualMake sure your CSM/ Setup Menu is set to full your you'll won't see it. Page 101 of the user manual.http://nikonimaging.com/global/technology/speedlight/function/fp.htm |
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Hextygoes
Joined: 28 Apr 2007
Posts: 2
Location: New Zeland
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| Posted: Tue Mar 25, 2008 8:56 am Post subject: How come the shutter speed does not go faster (1/200+) when |
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| Your question has been answered by a couple of photographers here with the fact that your sync speed for your camera is 1/200. My question is why do you need this to go higher than what it already is??? The flash does not just light your subject but it also has stopping power if that is what you are looking for. Depending on the settings you give your flash will depend on how fast you want to stop the action. This can range from 1/10,000 to over 1/50,000 of a second (and faster). The lower the settings on the flash the shorter the duration of the light being put out means faster at stopping movement. I have no idea what kind of action that your models are doing that you need to go higher but this should help you solve your problem.You should also be working in manual mode on the camera and the flash to have over all control of your equipment and the image you are trying to produce.Hope this helps,Kevin |
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