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Gigapixel AI 3.8 (reduced until 2/18)

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Topazlabs has introduced a new version of Gigapixel AI, an image editing tool to upscale images - without losing quality.

The new version 3.8 is available for the reduced price of $79.99 (instead of $99.99) until February 18, and with the savings code FORUM it's even only $67.99 (22% savings).

You can save even more with the Image Quality Bundle, which includes Gigapixel AI as well as tools for reducing noise (DeNoise AI) and sharpening (Sharpen AI) images. Instead of being around $260, it's available for $160. With our savings code FORUM the price is reduced by another 15% to $136 (approx. 48% savings)

New Features in Gigapixel AI v5.8

Improved face refinement pipeline

Gigapixel AI will now do a much better job detecting human faces more often and delivering more realistic results. Tiny background faces especially should see a noticeable improvement in quality.

Significant image quality improvements with Windows GPU

You’ll notice much better image quality across all models in Gigapixel AI when using GPU-powered Windows machines.

Reduced memory usage

We’ve streamlined how we cache and utilize image data through the entire editing pipeline, resulting in less memory usage and faster importing and exporting of image files.

Lots of usability improvements and bug fixes

We’ve improved the post-processing resize algorithm, optimized how we compress JPG, PNG, and TIFF files when exporting, and squashed a bunch of annoying bugs.

» More information and sample images on the Topazlabs website

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    • Richard A
      ISO Bracketing

      By Richard A · Posted

      ISO 320 is the A7R5's second base ISO setting. You will find at ISO 320 you will get better results than even ISO 200. I normally take a set of shots at 1600, 3200 and 6400 ISO. I am taking 60 light frames and 10 dark frames. I don't do any adjustments to the files before stacking. I really need to get organised and do some bias frames now. Here is pretty much my first successful Milky Way shot from a few months ago. I was combatting a bit of ambient light and quite a lot of cloud but I'm pretty happy with this. It was shot using my Sigma 16-28 f2.8 which is better at astro than I had anticipated, at ISO 1600.

      Welcome, dear visitor! As registered member you'd see an image here…

      Simply register for free here – We are always happy to welcome new members!

    • popeye10
      ISO Bracketing

      By popeye10 · Posted

      Thanks for the information. Since my original post, I did some "experiments" at different iso settings. Best results were obtained at iso 320, and then increasing the exposure by four stops in Lightroom. The biggest difference compared to using a higher iso was that there was detail in dark foreground areas, while at high iso the dark areas were blocked. This is consistent with articles I've read about ISO invariance.
    • Richard A
      ISO Bracketing

      By Richard A · Posted

      I do a bit of astro photography and do a lot of research etc. on best settings to use. I have never heard of anyone using ISO bracketing! Typically, higher ISO settings such as 1600, 3200 or 6400 are used and multiple light and dark frames are stacked to reduce noise. If you are worried about noise in dark foreground areas then just use a seperate exposure for them then blend the exposures in post processing. By the way, I also have an A7R5.

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