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Nav Braich:
Always carry a tripod along with you ... The most important equipment

http://en.wikipedia.org/wiki/Tripod_(photography)

TheStig:
ISO FUNCTION

What is ISO setting on your digital SLR (DSLR) camera and how do you use it?


The letters ISO on your digital SLR camera settings refer to the film speed. Even though your camera is most likely not film at all, but rather digital, the ISO camera setting still has the same function as older film cameras. Camera ISO determines how sensitive the image sensor is to light. If you're after a more technical explanation on 'What is ISO', Wikipedia has a good article called: ISO speed.

ISO on camera LCD screenThe most common ISO camera speed settings are: 100, 200, 400 and 800. Depending on your digital camera model you may also have them in the range of 64, 100, 160, 200, 400, 640, 800, 1600.

The lower the ISO number, the slower the speed. The higher the ISO number, for example 1600 the faster the speed.

General Rules and tips for ISO Camera Settings:

   -Use an ISO of 100 or 200 when taking photographs outside in sunny conditions.
   -If the sky is overcast or it is evening time, then use an ISO within the range of 400 to 800.
   -Night time or in cases of low light you might need to set your digital camera ISO to 1600. If you don't then your photo will appear too dark if at all.


How does the ISO speed affect the photographs end result?

If you set your digital camera to a low ISO, for example 100, the resulting photograph will be better quality than one set at 1600. The higher the ISO the more grainy the photo will look. Therefore go for a low ISO number whenever possible.

However there are circumstances where a lower quality photograph is better than none at all. For example taking photographs of fish in a dark aquarium would normally be out of range for most point and shoot cameras. As you can see by the image below, setting my DSLR camera to a high 1600 ISO made this task possible. Otherwise there would not have been enough light let in to the sensor and the image would have turned out totally black.

TheStig:
A Really good Lesson for Canon 550D users
Canon EOS 550D Documentary

Some basic things to start with

Nav Braich:
really nice video !  but didnt worked for me its really hard to figure out the setting on Nikon :( should have gone for canon  :dnk:

but its was really good ! well done

TheStig:
Night Photography

What are our tools in night photography?

   1. Tripod. While not always necessary (see further on for how to cheat on this), a tripod will give you the greatest flexibility to get the angles you need while keeping your camera steady for those long exposures.

   2. Wide-angle lenses. This is a personal preference, but I love the way they work in night photography. I use Canon’s 10-22mm f/3.5-4.5 ($700), but if you can afford it I’d get the Canon 16-35mm f/2.8L II ($1300). If both of these are out of your price range – don’t worry! Try it out with whatever you’ve got as the only thing that will limit you is your imagination.

   3. A lens hood. To minimize lens flares from light entering at angles outside of your frame.

   4. A flashlight. Sometimes you’ll want to draw attention to or simply lighten up an important part of the foreground which is too dark.




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