Watching Over

by Vian Esterhuizen

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1

No. There are cameras that do though. However, they are almost all based on setting a parameter which decides how ISO is increased from its base sensitivity. In some cases (Pentax) you specify a relative rate, while in others (Nikon) you specify a minimum shutter-speed. Except for some Panasonic cameras, the change of ISO has nothing to do with the scene or ...


12

It's a case of 'read the manual'. Page 54 - D600 manual. Just posting in case any one else ponders this. Exposure Depending on the scene, exposure may differ from that which would be obtained when live view is not used. Metering in live view is adjusted to suit the live view display, producing photographs with exposure close to what is seen ...


0

there's a nice introduction on using light meters over on Digital Photography School: http://digital-photography-school.com/photography-1018-meter/ -- that ought to help you with some of the basics you're trying to figure out.


2

The "T" indicator means shutter speed, so it is telling you "8" which is a shutter speed of 1/8 of a second The subscript (also "8") is apparently the EV value. You can ignore the EV. Assuming you have the ISO on your camera set to 200 and are at f/16, then 1/8" should give you a good exposure.


2

This addresses speed / focal length aspects only and does not address issues wrt specific lenses. Overlaps with what others have said. As others have noted - antishake / stabilisation only helps to compensate for camera motion - not subject motion. Traditional rule of thumb is minimum shutter speed is 1/s = mm ie 1/50s at 50mm, 1/250s at 250mm etc ...


3

Image Stabilization (IS). The EF 55-250mm f/4-5.6 IS has it, the EF 75-300mm f/4-5.6 doesn't. IS lets you shoot at a slower shutter speed before camera shake becomes an issue. If you are shooting at shutter speeds fast enough that camera movement is not an issue for you, then IS has very little to no effect on your image. Also, IS will not help you if your ...


1

Generally, image stabilization is specified as giving a number of "stops" — see What does "N stops" mean when describing an image stabilizer?. For your lens, Canon claims a 4-stop improvement. This means the system can cope with a shutter speed about 2⁴× (that is, 16×) slower. So, if we follow the one over shutter-speed rule, adjusted for sensor ...


1

There is one rule about the speed and focal length. To avoid camera shake i.e. blurry photos you should use shutter speed = 1/focal length. Let suppose you use 300 mm so your speed should be at least 1/(300*1.6) = 1/480s. For crop cameras you should take in consideration crop factor too (which is 1.6 for Canon crop cameras) With image stabilization you get ...



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