lkakdevil.blogg.se - Gigapixel review

The latest version of Photoshop currently is 21 and I’m using release 21.1.1. Review Enlargement Test 1įor this first test enlargement, I’m using the following image.Īt first glance, the two appear similar except the Gigapixel enlargement is slightly sharper with a little more pixilation. But if you view the two side by side on the screen and move around the image, you can see greater detail in the Gigapixel enlargement. I can also see the same pixilation in the Photoshop enlargement, but the softer image hides it. The Photoshop enlargement took 11” but Topaz Gigapixel required 3’ 08” to complete the job. Whilst this seems a long time in comparison, it is a fraction of the time the original version of Gigapixel would have taken. If you’re a film photographer and scan film, I’m sure you’ll have heard the advice: Review Enlargement Test 3įor this final test I want to try something that’s often frowned on, which is to enlarge a film scan.

Scan within the optical resolution of scanner.

If you’re using a flatbed scanner this will probably max out around 1,800ppi. Printing at 300dpi from a 35mm scan, you’re going to get something that fits easily on A4 paper. The results are usually poor.įor this test, I’ve taken a scan made using an Epson V700 flatbed scanner set to 1800ppi. The film is Kodak TMax100 which I shot using my Xpan camera. This produced an image 4,541 x 1,661 pixels or 15” x 5.5” when printed at 300dpi.

When enlarged by 400%, the image is 18,164 x 6,644 pixels which at 300dpi gives a print of approximately 60” x 22”. The Topaz Gigapixel version is clearly sharper and has more detail. In fact, some of the areas are a little too enhanced but I’ll discuss that in a moment.Ĭomparing processing performance, Photoshop made the 400% enlargement in just 4” whilst Topaz Gigapixel required 2’ 49”.