Tagged Questions
1
vote
4answers
135 views
Photography: the technical side [duplicate]
I love photography.
To be honest, I've never seriously taken even one photo, but I love it. Looking at other people's work on sites like 500px and other discussions on this site, it really makes me ...
2
votes
2answers
135 views
What is zoom multiplication based on?
When a camera says that it has, for example, a 10x optical zoom, what exactly is that 10x based on? Is it the angle of view of the human eye, the focal length of the camera, or what?
1
vote
2answers
184 views
What does different focal length offer me?
I have a beginner photographer and I have spent a lot of time learning the basics (exposures, lenses, focal lengths, crop factor etc). It's all good except I'm not so sure when I need to buy lenses of ...
-1
votes
1answer
180 views
Below which focal length are lenses considered to be wide angle?
Focal length is the only factor that decides whether a lens is described as being normal or wide angle.
Below which focal length are lenses considered to be wide angle? Is this focal length the same ...
12
votes
4answers
1k views
What is a normal lens?
I've heard people call 50mm lenses "normal lenses".
For a lens to be considered normal, does it have to be exactly 50mm or is there some leeway? Does the normal focal length depend on crop factor of ...
36
votes
10answers
2k views
Is lenses which make your photographs, not camera bodies?
I read somewhere on this site itself that you should spend more on your lenses and less on your camera bodies.
Is it a myth or a fact that mostly it is the lenses which make your photographs not the ...
6
votes
6answers
1k views
How do I get the 'equivalent' focal length for a DSLR lens for my camera?
On my Nikon D3000, how do I figure the focal length equivalence? In other words, if I want a lens that is just like a 50mm lens on a 35mm film SLR, I need to multiply by a factor. What is the factor, ...
7
votes
2answers
2k views
What are the advantages of a lens having a fixed maximum aperture?
What are the advantages of a lens having a Fixed Maximum Aperture? Previous answers have indicated that "pros tend to want constant apertures in zoom lenses".
While in general lenses with a fixed ...
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 ...
4
votes
7answers
934 views
What's a Good All Purpose Compact Lens for a dSLR …?
Following on from an earlier post, I've decided to persevere with the behemoth for a bit and see where it goes. It may lead in the direction of a Canon G11/12 or S90/95 - only time will tell.
In the ...
3
votes
6answers
221 views
Anyone got some good, simple introductory lens guides?
I want to educate myself and am immersing myself in everything photography-related. I'm picking up the concepts fast because I was a physics major in college (and thus have some background in optics) ...
20
votes
3answers
5k views
How can a 18-55mm lens focus on objects beyond 55mm?
I guess this is a total noob question, but doesn't 18-55mm mean that it can focus only up to 55mm?
10
votes
5answers
2k views
What does the f-stop printed on the lens refer to?
I have read this,so I know what an f-stop is, but what does the number on printed the lens signify?
Is this is the maximum f-stop, the ideal, or something else?
16
votes
5answers
904 views
How does a circular lens produce rectangular shots?
Is it something like the sensor captures a circular image and then what we get is the cropped version?
Something like this:
Or did I get it completely wrong?
12
votes
4answers
3k views
How can a lens like a 18-55mm have more than one focal length?
How can a lens have a range of focal lengths? Shouldn't it be a single number?
Isn't focal length supposed to be fixed for a lens of a particular shape and geometry?
What am I missing?
How many ...
