I bought this lens when I bought the Pentax K-1 in November 2017. There is a little corner vignetting in full frame mode that is easy to crop. I use crop or square mode with no problems. Excellent lens and camera for wildflower photos. Good macro depth of field.

Great lens for Close up work. This lens lives up to the high standards of all the other limited series lenses. I have done, more than a few, stacked images with this lens and I am more than satisfied with its performance.High Iq, color, resolution and all other aspects of the images are superior.

My son using and enjoys the results

A delight of a lens. The haptics are great and I never had a sharper lens in my live. Autofocus is quite slow on my K-5 but still good fro a macro lens.

Nice sharp lens!

This lens is small, light, well built, macro, corresponds to a standard lens on an APS-C camera, and is very, very sharp already at full aperture. Cherries on the cake, it takes 'Pentax standard' 49mm filter, and it has a very convenient hood built-in. Cannot ask for more than this.

Sharpest tool in my bag. Great for macro and as a prime 35mm lens.

I am not a native of beautiful Colorado, but I got there as quick as I could! I only mention this because I moved from the second most beautiful state in the nation, Minnesota , eight year ago.

This metal Macro lens on a DX body offers approximately a standard 52mm focal length in full frame terms. Excellent build and image quality.

I use this lens with my K50 and its basically the only lens attached to my camera now. Its a great walkaround lens that's suitable for a variety of purposes including low light photography. The macro capabilities are a nice addition. The lens is super sharp.