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Forum: Pentax K-1 03-10-2017, 08:23 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
Absolutely, resizing ”always” includes some sort of up/down sampling of the image. It’s never a question of simply throwing away unwanted pixels.
Forum: Pentax K-1 03-10-2017, 04:50 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
Resize according to Adobe is nothing more than changing the dpi setting, which means that they leave the actual resizing of the image to the printer driver.

The printer driver will up/down scale the image according to the dpi setting and the most suitable resolution for the printer. The driver will NOT use the simple throw away pixel algorithm you described. No one does.

So I guess you were wrong again, Clackers.
Forum: Pentax K-1 03-09-2017, 08:10 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
That is surprising, and not in line with DXOmark.The K-1 in crop mode should be pretty much equal too K5II, with the K-1 having the edge below iso 1600 and the K5II marginally better at higher iso due to the K5II “cheating” with noise reduction on raw files.

But that is in crop mode, if you use the entire K-1 sensor it will outperform the K5II.
Forum: Pentax K-1 03-09-2017, 05:24 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
No you are not, no one resizes an image using some sort of skipping algorithm. Not even computer games resizing their texture maps in real time does that since the result is so utterly bad. That is simple not how you resize an image. Maybe MS paint in windows 3.1 does it like that, but that is about it.
Forum: Pentax K-1 03-08-2017, 07:59 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
Yes, the print tab works and is what you should look at if you want to get a feeling of how images will compare from different sensors. Note that I wrote “how images will compare” and not pixels.
Forum: Pentax K-1 03-07-2017, 04:56 AM  
Was I expecting too much?
Posted By Gimbal
Replies: 56
Views: 5,448
Oh the good old print vs screen debate.

So use the screen tab if you intend to compare one pixel from each sensor and use the print tab if you want to compare the whole sensor. Usually people use the whole sensor when taking photos and thus compare the print tab. But the best thing is of course to understand the difference and check both tabs.
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