Linked Questions

0
votes
2answers
205 views

Effect of increasing sensor size or focal length on resolution of target object

Suppose I have a camera of sensor size 8mmx8mm, optical class (2/3)" with a compatible lens of also (2/3)". The focal length of my lens is fixed (say 8mm), and the distance to my target object is also ...
2
votes
3answers
350 views

relationship between focal length, perspective projection and camera distance

This page here describes that the focal length does not result in perspective distortion, while this page here describes if you increase the focal length and camera distance to infinity then it ...
0
votes
5answers
130 views

How does background blur and DoF vary with sensor size for a prime lens?

Let's assume I have a prime lens for full frame, with fixed specs (let's say 85mm f/1.8). Changing the lens is not an option, but I have a choice of a full frame camera and a crop sensor camera. The ...
0
votes
1answer
116 views

Why does the chair and the grandpa look bigger and inflated? [duplicate]

I Was watching one of the actually good movies. In one of the scenes the grandpa tries to "preach" the teens. Here is the scene Its not very obvious but for some reason the chair and the granpa ...
0
votes
2answers
66 views

What lens would be good for me? [closed]

I have a Nikon D5200, I’m currently using (excuse me if it wasn’t necessary to put all this in) the Nikon DX VR AF-S NIKKOR 18-55mm lens. I’m curious if there’s anything better for me to take outdoor ...
7
votes
6answers
5k views

Is an entry level DSLR going to shoot nice portrait pictures? [duplicate]

I'm thinking of buying entry level DSLR Nikon D3500. I haven't used DSLR before, so I'm not sure if it is a good decision to buy DSLR. I would like to know if with this camera I can shoot portraits ...
0
votes
5answers
218 views

Is 35mm on a cropped sensor good for fashion photography?

I am quite amateur with a camera but I want to become good in fashion photography. A top model has agreed for a photo-shoot for free and in return she wants me to make a portfolio. We are planning to ...
9
votes
5answers
1k 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 ...
1
vote
2answers
725 views

How to avoid perspective distortion when taking selfies?

I'm looking for an affordable way to avoid perspective distortion when taking selfies. I know the best way to avoid this would be taking a portrait with a DSLR with a 200mm-ish lens from 8 ft away, ...
17
votes
4answers
5k views

What is the difference between perspective distortion and barrel or pincushion distortion?

I've heard of: perspective distortion barrel distortion pincushion distortion mustache distortion What are these different types of distortion, and how do they relate? What causes them, and can they ...
0
votes
3answers
806 views

Why I am getting different values for depth of field from calculators vs in-camera DoF preview?

When using depth of field and hyperfocal calculators, I get very different result versus the in-camera DoF preview of my Fujifilm X-M1. For example: With DOFMaster (or any other online calculator), ...
4
votes
4answers
1k views

35mm for portraits

Ok everybody knows 35mm is not the most flattering focal length for a portrait and by portrait I mean somewhere from chest and above... and of course it gets worse as we get closer to the subject. So ...
0
votes
1answer
47 views

Problems with AEB picture alignment

I just got a Canon G1X Mark II as a replacement for a broken Canon G12 and was moderately happy about it, until I started to use it for pretty much the same thing I did before: HDR via Auto Exposure ...
2
votes
3answers
804 views

Dogs & Portraits: Should I buy the Canon 50mm f/1.4 or the Tamron 35mm f/1.8 for my APS-C DSLR?

I recently purchased a Canon EOS 77D (which offers an APS-C sensor) with a Canon 70-200mm f/4. Now, I am looking to purchase a prime lens. My research suggests a choice between the Canon 50mm f/1.4 ...
6
votes
6answers
2k 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 ...
3
votes
1answer
255 views

What can an 11mm lens do what a 50mm can't?

I think that with 50mm I will be forced to shoot at minimum f8 to keep everything visible, and will have to move back to include everything in the scene. Is there anything else that will stop me from ...
0
votes
5answers
604 views

Focal length on Full frames and cropped sensors

Yes, this subject again. But I have a slightly different question and I was unable to find an answer here or anywhere else. I understand a 50mm lens is a 50mm lens ALWAYS. I understand that "...
-1
votes
2answers
2k views

Which is the better lens for nikon d3300. Is it 50mm FX 1.8G or 35mm DX 1.8G

I am really confused whether to buy Nikon 35mm DX f/1.8 lens or 50mm FX f/1.8 lens for my Nikon D3300 camera, because of its 1.5 crop factor. I know that if I use a 50mm FX lens on my camera, it will ...
1
vote
6answers
660 views

Lens equivalent depth of field [duplicate]

This question is ported directly from Physics SE, because the guys there believe this is the right place for it. In digital photography, there's the principle of lens equivalency, according to which, ...
3
votes
5answers
4k views

How is focal length facial distortion different on an APS-C sensor compared to a full frame? [duplicate]

From my understanding (and research) focal length affects how a face will end up looking on a photograph. Here's an example of focal length distortion on a full-frame sensor: My question is: will a ...
1
vote
4answers
262 views

How many steps to walk forward to get equal range to 200mm with 70mm lens?

I'm newbie in the world of lenses ... I have 24-70mm 2.8. I never got a chance to use 70-200mm. One friend told me that you just have to walk two or three steps forward to get 200mm equal range with ...
2
votes
1answer
838 views

Will 50mm f1.4 and 85mm f1.8 lenses produce the same bokeh, given the same framing?

I have recently upgraded from a DX Body (Nikon D3300) to a FX body (Nikon D750) and also I have Sigma 70-200mm f2.8 & Sigma 150-600mm Sport lenses. While I was using the DX body, I had a Nikon ...
5
votes
2answers
3k 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 ...
1
vote
2answers
1k views

Does say a 35mm on an APS-C camera have the same facial/other deformations as a 35mm? [duplicate]

I am about to purchase a 35mm (Nikon 35mm F1.8 DX) for my APS-C camera, to get the equivalent of a 50mm lens. I want to use it for portraiture a bit, but I'm worried the facial deformations will ...
0
votes
2answers
159 views

Focal length : 7.8 mm-46.8 mm (Equivalent to 35 mm-210 mm on a 35 mm camera) [duplicate]

Bridge Camera : Fujifilm S7000 Could anyone help me to understand the below, Focal length : 7.8 mm-46.8 mm (Equivalent to 35 mm-210 mm on a 35 mm camera) I'm referring to DSLR based articles to ...
0
votes
3answers
108 views

Zoom or Approaching [duplicate]

I know that capturing a near object and capturing the same object with going apart with zoom makes a lot of sense But I'm confused what change does it do to the picture?? Could anyone help me in this?...
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 ...
2
votes
3answers
1k views

Is there a difference between increasing focal length vs. cropping? [duplicate]

Other than the difference in the quality of the image (increased focal length will produce more quality than the equivalent cropping of the image), is there a difference? For example, if I increase ...
1
vote
5answers
1k views

Difference in photographs and real life?

So im new to photography. I was wondering, is there a difference in how our pictures appear in, say a selfie click (from the back camera, not front) and how we look in real life. I know the mirror ...
0
votes
3answers
2k views

Choose between 35mm and 50mm for Nikon D5500 [duplicate]

A few months ago I bought a Nikon D5500, now I want to buy a 50 mm lens, but I just discovered the meaning of DX on my camera. So on the lens reviews I read that if I buy a 50mm to my D5500 it would ...

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