Another FF vs Crop Question
Aug 26, 2016 22:29:27 #
First, I am so pleased with the candid comments from UH friends. Thanks, everyone.
Does anyone think a full frame Canon (or Nikon) would have produced a sharper image with a longer exposure to blur the props?
The B-17 was flying low and about, oh I don't know, 150 MPH? No time for a tripod. Shot with Canon 70D (APS-C), Tamron 150-600mm lens at 500mm, 1/640, f6.3.
I frequently shoot on-the-fly..whenever things happen. Usually on an Auto mode. Appreciate any subjective comments.
Does anyone think a full frame Canon (or Nikon) would have produced a sharper image with a longer exposure to blur the props?
The B-17 was flying low and about, oh I don't know, 150 MPH? No time for a tripod. Shot with Canon 70D (APS-C), Tamron 150-600mm lens at 500mm, 1/640, f6.3.
I frequently shoot on-the-fly..whenever things happen. Usually on an Auto mode. Appreciate any subjective comments.
Aug 26, 2016 22:39:37 #
I would not imagine a full frame (vs. crop) would alter the exposure index. Isn't it just a larger sensor?
Aug 26, 2016 22:47:44 #
harathedog wrote:
First, I am so pleased with the candid comments fr... (show quote)
answer to your question, no. if you slowed the shutter speed, fx or dx, you would have blurred the plane as well as the props. if you have the time to adjust your lens and still get the shot, you may want to zoom out a little farther, 400mm maybe, to get the entire plane in the picture.
Aug 26, 2016 22:49:08 #
More than likely, no. FF or Crop wouldn't affect exposure. The longer exposure to blur the props would likely result in blurring the airplane, as well. The size of the sensor would not come into play on that.
--Bob
--Bob
harathedog wrote:
First, I am so pleased with the candid comments fr... (show quote)
Aug 26, 2016 23:03:10 #
The sensor should have no effect. It takes a lot of practice to get sharp photo's using a slow shutter speed and a long lens while panning the camera. Happy shooting.
Aug 27, 2016 04:38:17 #
Acountry330 wrote:
The sensor should have no effect. It takes a lot of practice to get sharp photo's using a slow shutter speed and a long lens while panning the camera. Happy shooting.
Aug 27, 2016 04:48:22 #
harathedog wrote:
First, I am so pleased with the candid comments fr... (show quote)
Other than a narrower field of view on the crop sensor, which would suggest that you need not zoom to 500mm, slowing the exposure for blurred props would get you what you are looking for in either the crop or full frame camera.
Distance from camera to subject will determine how long your shutter needs to stay open. The further away the longer you need to keep the shutter open.
As you increase the shutter time, you'll need to be very steady on panning - you can handhold and pan a long lens, especially a lightweight zoom like the Tamron.
I suggest if you are at 400-500mm, try 1/80 to 1/160 for the rotors to appear as full disks, and shorter if you just want to show movement with blur.
Practice makes perfect on these kinds of shots.
Aug 27, 2016 05:20:46 #
The sensor size would have no effect. This is an issue with shutter speed. Reducing shutter speed to around 300 would cause the props to blur but not the plane, assuming that you have a fairly decent technique. I would have shot this at f11 or f13 and would have pulled back a little to get the whole airplane in the frame. f11/13 would drop your shutter speed and provided wider DOF so that focus would not have been a problem. I would have been in aperture mode in order to quickly shift to the higher aperture. Normally, I would have adjusted ISO setting but since you are shooting against the deep blue sky, ISO is the second thing to change if f11 or f13 didnt slow your sutter speed some. With handholding, you would want to keep shutter speed over 200 so that your overall photo would be crisp and sharp.
Aug 27, 2016 07:02:44 #
A technical-based question like this requires the attachment be set with download active. Other than a richly colored image of a B17, I can't see the details of the image posted. As other said, using 1/320 or 1/400 would have blurred the propellers more in this image. That's a function of the shutter speed rather than the sensor size. You didn't mention the ISO although in a well lit situation as this, noise and sensor size on the 70D would be negligible.
Aug 27, 2016 07:08:17 #
harathedog wrote:
First, I am so pleased with the candid comments fr... (show quote)
It's all about the shutter speed - under 1/250. Good article here.
https://www.dpreview.com/articles/4293153502/aviation-photography
Blur it in post.
https://www.youtube.com/watch?v=Z-x_0MalrHQ
Aug 27, 2016 07:55:13 #
Aug 27, 2016 07:59:27 #
DavidPine
Loc: Fredericksburg, TX
If you don't wish to shoot in manual mode I'd suggest you shoot in shutter priority and put your shutter speed no greater than 1/200 to start. Crimp your first image to see if you have acceptable motion. When jets are zooming by you might have to go to 1/4000. ISO is usually good at 800 and aperture I not afraid to go wide open. I use f/4 and f/5.6 often. Have fun. I'm running a media tent at an airshow today and tomorrow. I will have a tripod on hand.
Aug 27, 2016 08:27:19 #
I disagree with most of the posts here on this... I don't know what shutter speed you were at, but it must have been *fast* to stop the props like that. I have been photographing aircraft for many years, and it is not hard at all to freeze the plane sharp, while having the props blurred. It's harder with a helicopter, with its big and slow blades, but at 125th or 250th of a second, I have never had the props of a fixed-wing 'frozen' like that.
Aug 27, 2016 09:23:44 #
In my opinion the answer to your question is NO.
For better image quality with a full frame or a cropped sensor professional optics make a difference and to stop motion you need a fast shutter speed.
For better image quality with a full frame or a cropped sensor professional optics make a difference and to stop motion you need a fast shutter speed.
Aug 27, 2016 09:30:07 #
harathedog wrote:
First, I am so pleased with the candid comments fr... (show quote)
The FF will improve some of the sensor characteristics but you will need to rely on technique and camera settings to alter the image.
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