Reviews
Very good value for money!
After reading the mixed reviews, I decided to buy it with mixed feelings. A comparison test with the Canon L lens 1:4.0/17-40mm in position 17mm brought surprising results. When focusing at approx. 6-7m, the K&F Concept delivered equivalent or better results than the Canon in terms of sharpness. Especially in the corners of the picture, the K&F Concept delivers excellent sharpness even with an open aperture! With my Canon lens, this was only possible from aperture 11. When focusing at close range (approx. 0.5m) the behavior was exactly the opposite. Here the K&F Concept is only sharp from aperture 11 to the corners. Since I intend to use the lens mainly for landscape photography, I am completely satisfied with the performance. The distortions in the edges of the image are greater with the K&F Concept, but can be reduced in image processing and are less disturbing in landscape shots. Attached is a photo of the K&F Concept, taken in a church.
02/03/2023
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