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Sigma 150mm 2.8 APO MACRO DG HSM

Focal length150 mm
Max aperturef/2.8
Min aperturef/22
Min focus distance0.38 m
Max magnification1x
Weight895 g
Aperture blades9
Filter thread72 mm
StabilizedNo
FocusAuto-focus

A bright-aperture macro-lens for full-frame system. The lens contains 16 elements in 12 groups. This lens is the first-generation model without the image stabilization.

Personal thoughts

An affordable true macro-lens, which doubles well as a telephoto portrait lens. Offers a relatively long working distance to photographed subjects, that might otherwise be easily startled away.

This is a very sharp lens. Autofocus is slow (and noisy) so fast-moving subjects are pretty much out of the question. For portraits this is more than enough, though, and doing macro-photography every so often requires manual focusing anyway.

Bokeh, which is a subjective trait, is good to my eye. The vignetting is quite pronounced, but is both easy to remove in the post-processing, but also often even desired. Bright spots in photos towards the edges tend to gain a quite strong cat-eye shape.

Working with Sigma MC-11

After trying three different copies of this lens with the Sigma MC-11 adapter on Sony A7rII camera, I found out that the autofocus on the oldest copy (with serial number in around one million) did not work at all, but did so in the newer ones with serial number in around 2 million. This probably means Sigma has made changes to the firmware even within the same lens-generation. The firmware is not user-upgradable.

The AF-limiters nor the advanced autofocus modes (eye-AF, lock-on-af, etc) did not work on Sony A7rII at the time.