Tagged Questions
4
votes
6answers
546 views
Have cropped digital sensors reached their peak design limits?
APS-C and smaller sensors seem to have plateaued off in terms of their megapixel counts, possibly due to diffraction limits. The ISO performance of these sensors has not increased substantially in the ...
4
votes
1answer
116 views
What characteristics make a digital sensor good?
Generally, the technical image quality of a digital image (before we get to the post-processing stage) is the product of the characteristics of the lens and the recording medium, with an important ...
7
votes
5answers
327 views
Why is the main sensor not used instead of the separate AF sensor to focus a DSLR?
From this answer I understand that the reflex mirror of a DSLR is actually not reflecting all the light, but it passes a certain amount on to the AF sensor.
So if the reflex mirror can pass light, ...
5
votes
1answer
185 views
Where is the AF sensor located in a DSLR?
As I understand every DSLR has a separate, smaller sensor that handles phase detection focusing. Where is it located?
If this location is different for every DSLR, and therefore this broad question ...
6
votes
5answers
486 views
Why is there no full-frame but low res sensor?
So I just watched a review on the Sony NEX-7, which is 24MP in APS-C size.... I am a Canon user and I immediately think about the announced Canon Powershot G1X with almost APS-C sensor but at a lower ...
7
votes
7answers
967 views
Why has no one invented a 4:5 aspect ratio APS-C/35mm-sized DSLR?
People keep inventing different form factors and formats for cameras, but none seems to have hit on what seems (to me) like an obvious one. Why doesn't somebody build a camera with a sensor that has a ...
