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PENTAX smc FA 43mm f/1.9 Limited Aperture Series: Mosaic (Pentax K1 SuperRes)

See my Pentax K1 wish list at B&H Photo.

PENTAX smc FA 43mm f/1.9 Limited
Pentax K1

The Pentax 43mm f/1.9 is a “pancake” lens with 7 elements in 6 groups. The expectations should be clear: the 43/1.9 is almost certainly designed for bokeh qualities and compactness. It almost certainly has field curvature and some measure of focus shift. Thus this target is going to be about as non-ideal as it gets for the 43mm f/1.9.

Here is what Pentax has to claim:

The ultra-compact smc PENTAX -FA 43mm F1.9 Limited lens offers exceptional high-contrast, high-resolution optics with minimal aberrations. It features the acclaimed smc multi-layer coating to lower surface reflection, reduce ultraviolet rays, and deliver clear, high-contrast images.

Real-world results leave one’s mouth agape at reconciling the above:

Pentax 43mm f/1.9 Aperture Series: Mosaic (Pentax K1 SuperRes)

Also, Pentax 43mm f/1.9 Distortion, Uncorrected vs Corrected

Includes images up to 28 megapixels and large crops, all from f/1.9 through f/13.

The entire series is shot in SuperRes pixel shift mode on the Pentax K1.

f1.9 @ 1/25 sec, ISO 100; 2016-05-11 20:12:31
PENTAX K-1 + smc PENTAX-FA 43mm F1.9 Limited

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Data transfer speeds up to 2800MB/s

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