Tagged Questions
2
votes
3answers
193 views
Why are there no digital cameras with ultra-bright integrated lenses, like f1.0, f1.2 or even f1.4?
One would think that with smaller sensors vs. film, it would be much cheaper to build an ultra bright lens. It's easy to find superzooms, 20X or 35X, but I have not been able to find a camera with a ...
1
vote
3answers
279 views
Which camera/lens combination achieves the highest possible image quality for macro?
Doing lots and lots of research I have a hard time time finding the ultimate answer to this question. I would like to shoot macro and products and aim for maximum sharpness and reproduction. Maximum ...
2
votes
0answers
83 views
How Focal Lengths is related to Sensor Size? [duplicate]
Possible Duplicate:
What is the difference between focal length and crop factor?
I was watching a video review of Tamron 70-300 lens where he mentioned that effective Focal length for a ...
2
votes
6answers
940 views
Is small sensor always a bad thing?
I own a DSLR. I want to buy some not-too-expensive compact, and there are a lot of compacts in the range 100-250$ with 1/2.3" sensors.
Can such a sensor/camera set give a quality somewhat comparable ...
2
votes
3answers
763 views
How can I easily tell if a sensor or lens is damaged?
I am pretty interested in recognizing any damage to digital camera in very low level (without any advanced tests).
For example, how can I identify the damage of a sensor or lens?
If there are any ...
8
votes
3answers
1k views
Does a 35mm prime lens show the same bokeh as a 50mm prime lens on a cropped sensor?
I came to know that a 50mm prime lens on a cropped sensor behaves like an 75mm prime lens.
So, does the 35mm prime lens behave like a 50mm prime lens on a cropped sensor?
If yes, then will it show ...
9
votes
3answers
1k views
Does change of lens affect a camera's megapixels?
I have a Nikon D40. It has only 6.1 MP. I am planning to buy additional lens for it. Can changing the lens of the camera increase or decrease the megapixels of the camera?
9
votes
1answer
664 views
Can the slant edge SFR method measure lens resolution greater than the Nyquist limit for the camera sensor?
The slant edge SFR method has become the standard for measuring resolution of lenses and camera systems. It works by scanning a five degree slanted edge to calculate a line spread function. This is ...
14
votes
3answers
3k views
What is the Nyquist Limit and what is its significance to photographers?
The Nyquist Limit is frequently mentioned in the context of lens and sensor resolution.
What is it and what is its significance to photographers?
Here is an example of it being used by DPReview.com ...
12
votes
7answers
1k views
Is there a difference in the sensor technology in entry level cameras vs. that in pro or semi-pro DSLRs?
Obviously there are differences in everything, both optics-wise and mechanism-wise, but
I would like to know:
Are the materials used to construct sensors (disregarding sensor size) different at any ...
