Linked Questions

8
votes
4answers
5k views

Are there any comparison photos of different lenses (with the same camera and scene)?

I've heard claims ranging from "higher-quality lenses only make a noticeable difference for scientific applications and super-huge prints," to "even the difference between high-quality and uber-high-...
11
votes
2answers
4k views

Are superzoom lenses really so bad?

I have read comments in multiple places, both on photo.SE and elsewhere, that superzoom lenses are not good and that most people will be better served by buying two zoom lenses, each spanning a ...
14
votes
2answers
2k views

What are the use cases of a Petzval lens?

I am interested to know when would one use these lenses and what are they best suited for?
12
votes
4answers
2k views

Why buy an intentionally soft lens?

While reading some reviews of older lenses, I keep reading "It's soft wide open, but that's not always a problem with portraits." Over my rather short time in photography thus far, I've come to ...
12
votes
3answers
820 views

Different colors of light are disrupting my focus. What lens feature minimizes this?

I took this photo with a Canon 50mm compact macro lens & Canon "life size converter", and it looked somewhat fuzzy. After separating out the RGB channels, it seems evident that the different ...
9
votes
3answers
519 views

What are good test shots for finding out the capabilities of a camera?

I have a range of cameras from a (frankly awful) kiddie camera to a hybrid (Olympus Pen) and I want to take some pictures to test their (comparative) limitations. So I want to take the same photos ...
11
votes
1answer
1k views

How do lenses vary in contrast?

I was reading a review of a wide-angle lens, and the review opined that the lens had impaired contrast wide open. Optically, what's happening here? How does the light passing through the lens lose ...
8
votes
1answer
5k views

How difficult is it to correct mustache-style distortion?

I am considering the Samyang 14mm Ultra Wide-Angle f/2.8 IF ED UMC but I am somewhat concerned about the 5.3% of mustache-style distortion this lens produces. I like most of what I read about this ...
9
votes
4answers
3k views

Is it possible for a lens to produce too much contrast?

I came across a complaint that a certain lens produces too much contrast. The lens was described as rendering "cartoonish" contrast when shooting a portrait with diffused light from a window, where ...
3
votes
5answers
676 views

How do I compare two prime lenses of different focal lengths?

I have a Sony NEX-5R with two prime lenses: 19mm F2.8 Sigma, and 35mm F1.8 Sony. I'd like to compare these two lenses to see why the second lens cost me more than twice the first, what the differences ...
9
votes
1answer
1k views

What lens characteristics are important in star photography?

In optimal world I would buy a lens that is good in every way. But I'm on a budget and have to find a balance in quality and price. I'm looking for a lens for star photography, so in my case it will ...
3
votes
3answers
2k views

Is there a site that compares different lenses with the same image?

Is there any site where I can compare the same image taken with different lenses? I know on dpreview they have something like that for cameras, but is there anywhere I can find the same kind of ...
2
votes
5answers
1k views

How can I know if a lens can handle a camera's resolution?

For a fashion photoshoot (it is just a fun group photoshoot but I like to take it seriously!) I am thinking about getting real close for some shots and to take pictures with maybe one eye with great ...
9
votes
3answers
428 views

What are the standard tests available to quantify lens parameters?

In some of the questions I have asked here, some of the terms frequently used to describe the difference in image quality between the cheaper lenses and the premium ones have been increased contrast, ...
8
votes
2answers
757 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 ...

15 30 50 per page