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Forum: Pentax K-5 & K-5 II
04-18-2014, 06:46 PM
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Yes they have. The Nikon D7000 has about the same magnification as the K-3, so those two camera lines are neck-and-neck. The Canon 7D has 1.0x magnification, which works out to about the same as the other two cameras since Canon uses a slightly smaller APS-C sensor.
0.7x is not too shabby for full-frame, as it still works out to a lot more than an aps-c viewfinder (approximately 65% more VF area based on my calculations). Even the 645D is only 0.65x because the massive size of the original image makes up for the lower VF magnification. Modern viewfinders aren't cluttered with manual focusing aids, so in a way it's easier to appreciate the entire image IMO.
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Forum: Pentax K-5 & K-5 II
04-18-2014, 03:39 PM
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To make things simple, it's because the sensor in the K-5 and most other DSLRs is considerably smaller than film, which leads to a smaller mirror, focusing screen, and viewfinder. You would have to magnify the image to match the apparent size of a film VF.
Full-frame DSLRs do have considerably larger viewfinders, though they're typically still not quite as big as in the film days. However, almost all pro cameras offer 100% coverage these days, something that was rare in the film era.
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