Words

Sony a7iii: compressed raw or not?

When I first used my Sony a7iii I wondered what the difference was between compressed and uncompressed raw. Some forum threads and blog posts suggested there was a difference, especially in dynamic range IIRC, and some people shot everything in uncompressed raw. Those files are gigantic* 47MB files however. Compressed files are always 24MB, a much more manageable size, especially when reading from an external drive.

Nowadays I shoot everything in compressed raw and even go so far as to convert many of my street photos into lossy DNG because there isn’t a huge dynamic range to be dealt with.

However, following Mike Smith’s advice in this video I’ll try uncompressed raw for astrophotography just so I can push the files that bit more in Lightroom.

I have noticed some other differences between any Sony .arw file and .dng conversions. The upright corrections work slightly differently. Clicking auto will create different looking images.

* if you’re reading this in 2030 when 200MB raw files are common please remember that large and fast drives are fairly cheap now but weren’t as cheap in 2019 as they are in your time!

Aperture ƒ/8
Camera ILCE-7M3
Focal length 31mm
ISO 1250
Shutter speed 1/500s
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Aftershot Pro, Words

Aftershot Pro B&W Workflow

Martin, over at Photoakademie.eu created a workflow video showing how a photo was processed and eventually turned into a black and white image using Aftershot Pro.

Coming from a GIMP background I used layers and layer masks but never used adjustment layers to keep changes separate. Quite an eye opener for me!

Plus another demonstration of Aftershot Pro and a Google Plus account dedicated to sharing presets.

You can download a 30 day trial of Aftershot Pro here (I should be on commission for this..)

Aperture ƒ/9
Camera Canon EOS 40D
Focal length 18mm
ISO 100
Shutter speed 1/200s
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Funny, Street, Words

Street photography large format style

Choosing the right equipment for the job is half the battle. If you don’t choose carefully you could be making a lot of extra work for yourself as you battle with your tools.

Actually, I don’t think this is one of those situations because he handled that camera rather well and didn’t try to use classic street photo techniques. Loading the film on a busy street is a bit awkward looking however, and forget about shooting from the hip! (via auspiciousdragon.net)

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