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Testing the Sony FE PZ 28-135mm f/4 G OSS for long exposure photography

IMG_20150417_145332I was very fortunate to get my hands on a Sony FE PZ 28-135mm f/4 G OSS and could not help but test it for long exposure.

You will see below some straight out of camera shots, as two new images that I was able to process. This is not meant to be a full review of the lens, more of a road test to see how well it works for long exposure photography.

General Comments: First of all, let me say that the lens is HUGE! It takes 95mm diameter filters, and feels very sturdy and smooth when using it. It also has a nice foot to mount it directly on a tripod head, which is a nice addition. I never used it though, because my setup was steady enough that I was not bothered by vibrations, however big the lens is.

A quick snapshot of my bag with the lens inside, together with the very nice 16-35 f/4:

IMG_20150417_124539

One tip for doing long exposure: no matter the camera or lens, I ALWAYS wrap my setup with a cloth to avoid light leakage from the sides of the mount or lens. I used this lens in the same way, and you’ll see below that I had no diffraction issue: mission accomplished 🙂

 

IMG_20150412_165545

Un-processed images: Now let’s look at a few “almost SOOC” images: (almost because some have been stitched)

DSC01342_adj copieEXIF: 28-135mm @28mm, f/8, ~8 minutes, ISO 50, ND16 Firecrest filter

Panorama sans titre2 copieEXIF: 2 images after stitching, 28-135mm @45mm, f/8, ~4 minutes each image, ISO 50, ND16 Firecrest filter

DSC01425 copieEXIF: 3 images after stitching, 28-135mm @72mm, f/8, ~3 minutes each image, ISO 100, ND16 Firecrest filter

 Pretty good, right? 🙂

Final images: Now let’s see a couple images after processing:

DSC01425 copie_resizeEXIF: 3 images after stitching, 28-135mm @72mm, f/8, ~3 minutes each image, ISO 100, ND16 Firecrest filter

DSC01509 copie_resize EXIF: 3 images after stitching, 28-135mm @80mm, f/8, ~3 minutes each image, ISO 100, ND16 Firecrest filter

 

Conclusion: I have made up my mind. Even if the lens is mostly made for video, it’s an amazing piece of hardware, including for long exposure. The constant f/4 aperture is also a great treat. I am going to make this lens a permanent addition to my gear!

As usual, don’t hesitate to comment or ask questions below or in PM.

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