Pentax smc DA Star 55mm f/1.4 SDM review
Introduction During DxOMark testing and analysis, we determined the Pentax smc DA Star 55mm f/1.4 SDM’s strengths are:Its brightness, with a transmission score of 1.7 T-stop, means the lens’ aperture is closer to f/1.7. This will allow for great low light shooting. Controlling chromatic aberration. Photographers won’t frequently run into color fringing problems, the defect that displays unwanted colors at edges where dark and bright contrast meet.Containing distortion, a common strength of prime standard lenses.Limiting vignetting or lens shading, with the defect largely absent at apertures f/1.8 and above.The lens’