Linked Questions

29
votes
6answers
11k views

Is there a difference between taking a far shot on a 50mm lens and a close shot on a 35mm lens?

I am looking for a prime lens to pick up, and I'm wondering if there is any difference between 35mm and 50mm in terms of the end product if I just stand back more with the 50mm. I use the Sony a6000 ...
40
votes
3answers
9k views

What does it really mean that telephoto lenses “flatten” scenes?

This is another perspective distortion question. I understand that perspective distortion is primarily a function of capture and viewing distance, but I am still working on fully understanding the ...
49
votes
3answers
7k views

What image-quality characteristics make a lens good or bad?

When reading lens reviews on the Internet, I often find subjective statements about the image quality that a lens produces, such as "good contrast" or "sharp". The problem is that I don't think I am ...
16
votes
10answers
3k views

Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

I'm a hobby photographer. I like taking portraits, which I often do at festivals and conventions. I usually take the following gear: Fujifilm X-T2 (an APS-C sensor mirrorless camera), a 16-55mm f/2.8 (...
8
votes
4answers
2k views

Why is the background bigger and blurrier in one of these images?

On my EM-10 Mk2, I'm testing a Panasonic 25mm f1.8 (top image) against the 20mm f1.7 (bottom image). I tried to make the lamp take up the same space in the frame before focusing, yet the background ...
6
votes
6answers
1k views

How does crop factor affect perspective?

I have a question about crop factor and how it affects the perspective. Suppose you have one Super 35 camera and one APS-C camera. As far as I understand, to photograph the same image on the APS-C ...
6
votes
5answers
3k views

How do I calculate the “effective focal length” of a cropped photo?

Suppose I’ve taken a photo and then cropped it. If the crop is extreme enough then I might want to go back and take the same photo with a more telephoto lens so that I can take full advantage of my ...
7
votes
4answers
1k views

does focal length change across an image?

If an image is taken of a flat surface parallel to a (presumed perfect) lens, is the scale of objects (and therefore focal length) uniform across the whole image? eg. Would an object in the centre of ...
9
votes
5answers
721 views

Would a 50mm lens on a Canon APS-C crop produce the exact same image as an 80mm lens on a full frame camera?

Scenario: I put a 80mm lens on a FF camera and take a picture I put a 50mm lens on a Canon APS-C crop camera (1.6x crop) and take a picture Going by the 1.6x crop, I understand the fields of view of ...
8
votes
5answers
977 views

Real estate photography: Low distortion lens VS high resolution lens?

Should one choose a (ultra wide) lens with the lowest possible distortion even though its resolution is not very good, over a lens that is very sharp, but has noticeable (barrel/mustache) distortion? ...
4
votes
2answers
3k views

Does wide angle equivalent in crop sensor skew image?

I see many posts on both this forum and elsewhere the discuss the use of a wide angle on a crop sensor. For example, they discuss how at 14mm lens is 14mm on a 35mm film or full frame, but with a 1....
9
votes
4answers
370 views

What kind of Compositional Elements are used in this pic?

I found this pic in internet and I really liked it. As having interest in photography, I was wondering what kind of composition rules was used in this pic, for example whether it is a contrast, ...
1
vote
4answers
3k views

Seeking Mac Software Solution for Correcting Barrel Distortion

I have a Nikon D7000 and a 14-24 wide angle lens which I love, but it does result, often, in a great deal of barrel distortion. I'm seeking a software solution; ideally an Aperture plug-in, to ...
5
votes
2answers
2k views

Do I need a telephoto lens to make objects in the distance appear closer? [duplicate]

I have seen some photos where a far-away object looks much bigger compared to nearby objects. Apparently this is called lens compression and it has to do with the focal length of a lens. How can I ...
2
votes
4answers
701 views

How can I take undistorted overhead top view pictures of a stationary gas compressor?

I need to take overhead top view pictures of a stationary gas compressor. How can I get the image to appear flat by adjusting the focal length? Example: I need to know what type of lense or camera to ...

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