Originally posted by StiffLegged If Ricoh include all the cool features available to the GRIII via the mobile app, the lack of a flipping screen wouldn’t matter to me. I usually have a phone with me to explain to t’missus why I wasn’t home 2 hours ago anyway. A bigger, brighter viewfinder sounds good to me and I’ll wait to hear the rest. It’s got to be better than my K-7!
Bigger does not mean brighter – the same amount of light (from the same APS-C sized screen) spread over a larger image means it will be duller than if it would be over a smaller one.
That said, the viewfinder magnification for the K-3 and KP is 0.95x, whereas the new body’s is 1.05x. That’s an increase of about 11%, so the eyepiece illumination will drop a corresponding amount (12%, if my recollection of magnification being based on angular FoV is correct). The K-5’s was 0.92x.
By way of comparison, the K-1’s eyepiece magnification is 0.7x, but it’s looking at a screen that’s 1.5x larger. On the surface of things, that means the new body’s eyepiece will be about as bright as the K-1’s, although the K-1 has an additional screen overlay that will reduce the brightness by a small amount.
K-1 users who have installed a Canon S focussing screen report that it improves focussing ability with MF lenses, so I assume that means the Canon screen has lower light loss than the OEM Pentax one. Perhaps Ricoh has brought the screen for the new body up to the same standard. If they haven’t, that means it will be slightly duller than the K-3’s.