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Why useful The automatic or preset white balance is useful for normal situations. In case you would like to have a precise white balance or …

Why useful As photographers try to have the AF field on the main object of the image, a link of spot metering capabilities with the …

OM-D camera do have a eye sensor, which detects when you are looking through the viewfinder and switching on the viewfinder. This is very useful, as you don’t have to think about switching LC display and viewfinder when you would like to use the viewfinder. In some cases this function is unwanted. Switching of the automatic sensor with the menu is time consuming and might be the reason why you are missing a shot. Therefore there is a short cut to change the behaviour of the eye sensor quite fast.

Fisheye lenses are very special lenses, which are suitable for taken 360° panoramas for example. However as they have a very large distortion and field of view those lenses are not suitable for many other applications. With software such distortion can be corrected. The OM-D E-M1 series has this correction already built-in to the camera firmware. The advantage is that you can already see the effect before you take the image, which helps you to compose your image. This technology makes the 8mm F1.8 a very wide angle lens which is unique in the market.

As the adjustment spindle could be quite long in lenses with long focal length, focusing speed is slower than with shorter focal length lenses. Therefore …