burstintoflame81
TPF Noob!
- Joined
- Aug 7, 2009
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:hail: Gary---
I think I got it..
THE LIGHT JUST WENT ON!!!
Even if I get it in focus it will look, it will SHARPER if I use the correct shutter speed...
Yes, this helps greatly especially at longer focal distances. Like on my 70-300mm I do not have "IS" so for the longest time I would just snap away and maybe 1 out of 5 pictures were actually pretty crisp. Once I realized the shutter speed calculation it was much improved. If you can't get a faster speed due to low lighting, either open the Apeture wider ( a lower F number ) and if you can't do that, increase the ISO up to 200 or 400 if you are at 100. ( the higher you go in ISO the more possibility of noise, so this should kinda be your last step if all else fails and you still can't get the shutter speed you need. This is why I mention the Av and Tv modes. If you know a certain shutter speed you need to maintain, you can set "Tv" mode and the camera will lock that speed in place and adjust the F/stop to get the proper exposure ( if possible ). Av does the opposite, if you know that you want a nicely blurred background for a portrait you are shooting with your f/1.8 lens, you set the F stop number low to get that short depth of field blurred background, and then the camera will pick the shutter speed you need to get proper exposure. if you are shooting with a lens that has a low F/stop ( a faster lens ) it would usually be a fairly short focal length so shutter speed wouldn't matter ( The camera would most likely be well beyond what you needed when it chose the speed ) unless you were in a really dark situation. If you have a tripod, a lot of this goes out the window