Samsung 20-50mm f/3.5-5.6 ED NX i-Function Zoom Lens

Samsung 20-50mm f/3.5-5.6 ED NX i-Function Zoom Lens Handling and features

The lens barrel is constructed from reasonable quality plastics and the lens mount is plastic also. It has a metallic matte finish and a blue metallic ring between the lens body and manual focus ring. A locking switch on the zoom ring needs to be engaged before the lens can be collapsed to make it more compact during transport. It balances well on the Samsung NX200 body used for testing due to its light weight at only 119g.

Focusing isn't performed internally, and the 40.5mm filter thread rotates, which isn't ideal for use with graduated and polarising filters. Focus speeds are reasonable, hunting a little for focus, especially in low light conditions and the thin manual focus ring feels quite smooth. In manual focus mode the screen instantly magnifies the centre section of the image, making fine adjustments straightforward.

An i-Function button on the side of the lens provides quick access to a number of functions that can be customised in the camera menu. The minimum focus distance of 28cm is fairly typical for lenses of this range.

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