Sharpness at exposure time - How?
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Creepy guy in the mirror.
Joined: Oct 2004
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From: Ontario, Canada
Sharpness at exposure time - How?
What factors can contribute to sharpness when taking a photo. I can't PP to save my life so I really want to be able to get the shot sharp the first time. I see some shots that are so sharp the details just pop right out. Lots of my shots seem soft and washed out.
What factors will help make an exposure sharp? Discuss?
What factors will help make an exposure sharp? Discuss?
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Tripod is the best solution.
But for hand holding, the general rule is don't use a shutter speed less than 1 over the focal length.
For example, on a 50mm lens, don't use a shutter speed slower than 1/50.
But you also have to compensate for the crop factor your camera might have. On a Canon Rebel, this is 1.6. (1.6 x 50mm) = 80. So your minimum shutter should be 1/80.
Flash will make your images sharper if there is either not a lot of ambient lighting, or you stop your settings down enough to keep the ambient lighting out. This is because a flash burst is so quick in duration there's no real room for subject or camera shake.
Stabilized lenses tend to give you 2-3 stops. So what used to be a 1/50 lens, you could now hold at 1/15 or so.
But for hand holding, the general rule is don't use a shutter speed less than 1 over the focal length.
For example, on a 50mm lens, don't use a shutter speed slower than 1/50.
But you also have to compensate for the crop factor your camera might have. On a Canon Rebel, this is 1.6. (1.6 x 50mm) = 80. So your minimum shutter should be 1/80.
Flash will make your images sharper if there is either not a lot of ambient lighting, or you stop your settings down enough to keep the ambient lighting out. This is because a flash burst is so quick in duration there's no real room for subject or camera shake.
Stabilized lenses tend to give you 2-3 stops. So what used to be a 1/50 lens, you could now hold at 1/15 or so.
Judging from work I've seen from OP in the past, he's not taking pictures of stamps.
Tripod, MLU, and cable release is fine for 1% of photography.
Also, post processing is critical to getting great images.
I always think of it like this. Me, doing the best job I can out in the field, will get images that are 70% of what they could be.
Later, with some quick and dirty processing of the RAW files, I can get those images to 90% of what they could be.
If, out in the field, I did a poor job and the images are only 50% of their potential, I'm in damage control mode with post processing.
When I used to shoot film, I'd say that the responsibility of getting good images was 50/50 camera side and processing side. Digital makes it 70% but that's because I can preview the image immediately and make necessary changes.
It's never going to be 100% camera side. All I have at my disposal is a lens with a finite range, and a portable flash of finite power.
I always think of it like this. Me, doing the best job I can out in the field, will get images that are 70% of what they could be.
Later, with some quick and dirty processing of the RAW files, I can get those images to 90% of what they could be.
If, out in the field, I did a poor job and the images are only 50% of their potential, I'm in damage control mode with post processing.
When I used to shoot film, I'd say that the responsibility of getting good images was 50/50 camera side and processing side. Digital makes it 70% but that's because I can preview the image immediately and make necessary changes.
It's never going to be 100% camera side. All I have at my disposal is a lens with a finite range, and a portable flash of finite power.
Thread Starter
Creepy guy in the mirror.
Joined: Oct 2004
Posts: 2,631
Likes: 35
From: Ontario, Canada
Thanks for all the suggestions...
I can see 2 things I need to change. I tend to shoot too wide open... Also I am too lazy to carry my tripod
I recently got a monopod that I hope to put to more use.
I had to google MLU
I will try that out too.
I can see 2 things I need to change. I tend to shoot too wide open... Also I am too lazy to carry my tripod
I recently got a monopod that I hope to put to more use.I had to google MLU
I will try that out too.
short of using a tripod and a cable release, what id do for handheld is:
high shutter speed
burst of fill
moderate aperture
Someone on the Nikon board on FM showed his set up using live view with an external DVD portable DVD player, IIRC about an 8" screen. Just as being tethered to a laptop. I can't find the link, but using that 8" screen and a 10x view, looks like a pretty good set up, you just have to have a video in on the portable DVD player.
CL9 ABP
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Joined: Feb 2005
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From: Commack, Long Island -> Queens NY
That's one way to use it, for review. But using it and live view at the same time you can get everything about the shot just about perfect before taking the shot. Close up and macro exposure blending would be great!
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