This tag refers to to physical size of a camera's sensor.
31
votes
10answers
2k views
What is the relationship between focal length and crop factor?
I'm reading that a 50mm lens is recommended as a first prime lens for DSLR owners as it's supposed to give a 'natural' perspective, but when used on (most) DSLRs, the view is cropped, as if you were ...
27
votes
13answers
18k views
How do Micro 4/3s cameras compare with DSLR cameras?
What are the major (and perhaps more subtle) differences between the newer Micro 4/3s format in comparison to the well-established DSLR cameras? What are the pros and cons of the Micro 4/3s format, ...
14
votes
4answers
5k views
Why does a bigger sensor lead to a shallower depth of field?
It has been mentioned at a few places that a larger sensor results in images with a shallower depth of field.
Example image: http://www.mattgrum.com/FF_vs_APS-C.jpg
APS-C Canon 30D left, FF ...
14
votes
6answers
4k views
How does background blur (bokeh) relate to sensor size?
This is a somewhat theoretical question.
Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5).
Now suppose I exchange the camera ...
14
votes
8answers
2k views
Are full-frame cameras bad for sports photography?
I was reading about crop factor from various places on the internet, and the general idea that kept building in my mind was that full-frame cameras are good for wide-angle shots but not that good for ...
7
votes
6answers
899 views
What are the cheap alternatives to DSLRs to get “large sensor image quality”?
In a review of an entry level DSLR, I found this:
[this] is an excellent DSLR but make clear that a DSLR is no longer the only way to gain large sensor image quality at this price [around $500]
...
4
votes
1answer
326 views
what's the relation between sensor size and image quality (noise, dynamic range)?
I'm reading this description on sensor size:
Digital compact cameras have substantially smaller sensors offering a
similar number of pixels. As a consequence, the pixels are much
smaller, ...
0
votes
2answers
8k views
What is the difference between DX format and FX format lenses, and which to choose for what purpose?
http://www.nikon.co.in/products.php?categoryid=1011
What is the difference between DX format and FX format lenses, and which to choose for what purpose?
What are the pros and cons of both?
18
votes
3answers
2k views
Why are larger sensors better at low light?
The top answer of What point and shoots are good in low light conditions? says that (1) a fast lens/wide aperture (2) reasonable ISO 400+ handling and (3) a large sensor when put together are critical ...
12
votes
2answers
2k views
How come a 1" sensor is 13.2 x 8.8 mm big?
I'm wondering how sensor sizes are calculated. The Sony RX100 reportedly has a sensor size of 1" which is 13.2 x 8.8 mm according to the press release and various sites.
How does that work? That's a ...
11
votes
4answers
1k views
Why do some DSLRs have fewer megapixels than some pocket cameras?
Some point and shoot cameras like the Olympus mju range have more megapixel capabilities than many DSLRs. Why is this? Is this because they have larger sensors or more dense ones? What are the ...
9
votes
2answers
2k views
What differences between point and shoot zoom versus DSLR zoom cause the price disparity?
I'm just getting into the world of photography, stepping up from a point-and-shoot. I've just purchased a Nikon D3100 and it should be here in a couple of days.
I've done lots of research, but ...
4
votes
1answer
209 views
Is there a noticeable difference between a 23.1 x 15.4mm and a 23.6 x 15.8mm sensor size?
Is there a noticeable difference between a 23.1 x 15.4 mm and a 23.6 x 15.8 mm sensor size when accompanied by a prime lens of 1.4F?
After how large a change in the numbers does the difference get ...
1
vote
2answers
206 views
