cotsen Posted April 19, 2007 Share Posted April 19, 2007 I'm new to photography, and I'm trying to figure out the best shooting mode with a Canon 20D, using a 100-400mm lens while shooting fast paced surfing shots. Any help on the best mode to use would be much appreciated. Cullen Link to comment Share on other sites More sharing options...
michael_madio Posted April 19, 2007 Share Posted April 19, 2007 Manual Link to comment Share on other sites More sharing options...
roger_smith4 Posted April 19, 2007 Share Posted April 19, 2007 Shutter priority, drive mode, custom function to separate ae and af. Link to comment Share on other sites More sharing options...
chinoloco93 Posted April 19, 2007 Share Posted April 19, 2007 I agree with Roger. Link to comment Share on other sites More sharing options...
jim_karthauser Posted April 19, 2007 Share Posted April 19, 2007 Shoot in manual, see what works, then you'll have learnt it for yourself through experience. Link to comment Share on other sites More sharing options...
geoffs1 Posted April 19, 2007 Share Posted April 19, 2007 Roger Smith,"Shutter priority, drive mode, custom function to separate ae and af." Ditto. The custom function is CFn-04 set to 1. With that setting, pressing the "*" button starts the AF and IS and pressing the shutter halfway sets the auto-exposure. My starting point would be AF-Servo and experiment with using just the center AF point or all points. I usually use all points, and start by placing the center AF point on the subject and pressing/holding the "*" button then shoot a number of shots without releasing the "*" button. With very busy backgrounds sometimes it's better to use just the center AF point. Shoot bursts of at least 2 frames. In AF-servo and continuous shooting mode the Canon algorithm is to take the first frame as soon as the shutter release is pressed, and the subsequent frames when the focus is good. Also, one shot from a burst will be often be much sharper than the others. Similarly, I'd experiment with IS mode 1 and 2. If you're not panning fast, I've had good luck keeping mode 1 (horiz and vert stabilization), but if you're really panning fast you may need to switch to mode 2 (vert-only stabilization). If you're trying to freeze the action with the highest shutter-speed possible, you might try Av mode and set the lens to widest aperture that will give you the desired sharpness and/or DOF. Adjust the ISO to get the shutter-speed into the range you want. In that mode, you'll always get the fastest shutter-speed possible. Alternatively, if you're trying for motion-blurred effects, you might switch to Av and set the shutter-speed to whatever (slow) setting gives you the desired blurring. Check the histogram of a couple of shots from each pass and adjust the exposure compensation to avoid blown highlights. Cheers, Geoff S. Link to comment Share on other sites More sharing options...
mark u Posted April 19, 2007 Share Posted April 19, 2007 For fast action I always pick either M or Av, and not Tv. The reason for avoiding Tv is that if the light gets dimmer you can easily find a blinking aperture in your viewfinder and no shots. Sport action is usually best shot wide open to draw attention to the subject and to maximise the shutter speed and minimise the required ISO. In constant light, M works well and minimises the calculation done by the camera, and therefore shutter lag is reduced, and there is no risk of key action being missed. Surfing can be demanding to shoot even in Av or M mode, since I consider the best shots use very fast shutter speeds (1/3000th or faster) to freeze the spray, so you can sometimes be riding ISO. It's certainly a case for an ISO safety shift in M mode. Link to comment Share on other sites More sharing options...
cotsen Posted April 19, 2007 Author Share Posted April 19, 2007 So If I want to freeze the action, What is the best shutter speed to set it on? I also noticed when set to Tv, the lighting can be bad. Manual seems to be working the best right now. I just need advice, on shutter speed adjustments... Link to comment Share on other sites More sharing options...
korys_ins Posted April 19, 2007 Share Posted April 19, 2007 I do a lots of sport Action shots with my 20D and 70/200 IS and always use the sport mode it works the very good all my picture is very sharp it only lacks sharpness at night time where I used manuel mode. Link to comment Share on other sites More sharing options...
leopoldstotch Posted April 19, 2007 Share Posted April 19, 2007 If you don't like making adjustments, use Av mode, since it it will give you the highest possible shutter speed at a given aperture, which is well suited to sports. Link to comment Share on other sites More sharing options...
mark u Posted April 19, 2007 Share Posted April 19, 2007 With the lens at f/5.6 you will need 200 ISO to get to 1/2000th or 400 ISO for 1/4000th in full sunshine. If light levels dip, you will need to increase ISO to compensate. Link to comment Share on other sites More sharing options...
amol Posted April 19, 2007 Share Posted April 19, 2007 You say you want to freeze motion, it sort of depends what you are shooting. So, What are you shooting? Where are you shooting (indoors or outdoors)? 1/2000-1/4000 will freeze water droplets. Though, depending on lighting conditions this may not be possible. I think using Av mode, and setting the lowest aperture, would be safer. First, the camera will determine shutter speed. You may need to adjust you ISO, to get a faster shutter, depending on the lighting. Amol Link to comment Share on other sites More sharing options...
cotsen Posted April 20, 2007 Author Share Posted April 20, 2007 I'm shooting surfing, in ideal sunny conditions. I guess freezing water drops is the look I'm going after. I think the Av mode is working the best so far. Link to comment Share on other sites More sharing options...
christopher_rajkumar Posted April 20, 2007 Share Posted April 20, 2007 I shoot most sports wide open(AV/burst/AI Servo) to get the fastest shutter speed. Under very high contrast conditions or if the uniforms have a lot of color variations, I review the histogram and the picture and usually end up overexposing a little or go manual.I expose for the average skin tone. This has worked for me almost always. Link to comment Share on other sites More sharing options...
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