Four steps to better photos

1. Firstly and most importantly of all, just as with my article on video recording, light is everything. It’s photons of light that trigger charge in the camera’s sensor, and the more of them the more accurate the reading from each sensor pixel. In good light, there’s more than enough information being gathered and your Nseries camera will produce results comparable to those from standalone cameras. In poor light, either in the evening or under flash conditions or in a dimly lit room, there simply aren’t enough photons hitting each pixel for the sensor to be absolutely sure what value to report, which is why you get ‘noise’, flecks of random colours in your photo. In a standalone camera, the sensor pixels are bigger and each gathers in more photons, so you don’t notice the same degree of noise.
   It’s also worth noting that you may also have problems in very bright light with any digital camera, as photons ‘overflow’ from one pixel to the next, with the result that you sometimes see ’smearing’ around bright sections of the image.
   Be aware of the light conditions at all times and try to anticipate the effect the level will have on your Nseries camera. It also goes without saying that the obvious rules of photography apply, such as not shooting towards the light source unless you’re trying for a special effect.
   On the N93, understand that using the optical zoom will decrease the amount of light getting to the main sensor, so only zoom in if you’re confident there’s enough light to cope.
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   Filed under: Nokia, Tips 'n Tricks