Alley in Pisa, Italy

by Lars Kotthoff

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8
votes
6answers
488 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, ...
6
votes
1answer
419 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 ...
5
votes
4answers
290 views

Why the need for SLR in digital cameras?

Excuse my ignorance but as far as I know, SLR was invented in order to get the photographer to see (through the viewfinder) exactly what image will fall on to the film. In digital cameras the image ...
10
votes
4answers
441 views

Does the convergence of video and photo technology in digital cameras have a negative impact on strictly photographic ability?

With every new Canon and Nikon camera we are witnessing the progression of an unprecedented convergence of video and photography ability, something completely unthinkable during the film era. But I ...
6
votes
3answers
2k views

What are the consequences of making camera bodies black?

Considering that silver and other camera colors are outsiders, I wonder if there is a specific reason to make black camera bodies. I can think of several "marketing" reasons (discretion, first, or ...
14
votes
3answers
2k views

How are the red focus point indicators displayed on a dSLR's focusing screen?

The question Why do the focus points leds appear shadowed? raises another question for me. How are these indicator lights implemented in typical dSLRs? Are they actually small LEDs etched into the ...
8
votes
7answers
1k 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 ...