Questions tagged [vignetting]

Vignetting is the reduction of an image brightness near the periphery of the image circle produced by the lens compared to the image center.

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16
votes
3answers
8k views

What is the cause of this non-uniform bokeh effect?

A friend of mine is thinking of buying a used medium-format film TLR camera (a Mamiya C330), and he showed me some of the test shots he'd taken with it. I was struck by the curiously non-uniform ...
8
votes
4answers
5k views

How does a short flange back distance improve image quality?

In the description for the new lens mount for their X-Pro series, Fujifilm says: 1: Specifically designed to maximize the mirrorless design of the body, the X-Mount has a short flange back distance ...
11
votes
2answers
2k views

Why do people care about vignetting or distortion?

On every lens review there is distortion (on wide angle ones) and amount of vignetting mentioned. I would like to know why, when it is so easy to edit in post processing.
6
votes
4answers
1k views

What's the difference between vignetting and pinhole?

Sometimes people say that a lens has bad vignetting but it looks very similar to the effect of pinhole (darkened edges). What's the difference? If someone asked to have a vignetting effect (in PP) ...
2
votes
4answers
1k views

How to achieve this smudge effect in photoshop?

I came across this photo by Jacob Sutton and wanted to know if someone knew how to get this effect in photoshop? (source: jacobsutton.com)
5
votes
2answers
2k views

How do I avoid vignetting when shooting through a cut-out for shaped bokeh?

I used a 18mm-50mm lens at f/3.5, with a card with a cut-out heart shape of about 4mm. I got the shaped bokeh effect, but the outer side of image is dark due to the card. How do I avoid this and ...
5
votes
4answers
1k views

How can I avoid vignetting when shooting in raw with a Canon Powershot?

Very inexperienced person here when it comes to photography and raw processing here. I'm using a Canon SX 60HS camera. No attachments — filter/hood/etc. — of any sort were attached to lens. After ...
2
votes
2answers
273 views

How bad will the vignetting be if I use a 67mm ND filter on a 82mm lens?

I'm currently looking at the Sigma 10-20mm f/3.5 lens for my Canon EOS 80D (APS-C). However, one potential problem I see is that my ND-filter set is for 67mm while the Sigma lens has a diameter of ...
4
votes
2answers
404 views

Mitigating vignetting in a microscope image

I'm having an issue with vignetting on my microscope images, and I'm not really sure how to troubleshoot it, or if there is anything I can do to fix it. Below is an example image that should ...
4
votes
5answers
36k views

What can cause black corners in an image?

There are completely black corners in some of my photos. What can cause it? I have a full-frame Canon 5D Mk II and had the problem with my 24-105 Canon lens recently and have experienced it with my ...
3
votes
3answers
3k views

Why does my Nikkor 12-24mm lens vignette on my Nikon D800?

I have a Nikon D800 and am using a Nikon 12-24mm lens with it. When completely zoomed out it produces a vignette that I don't particularly care for. I've never seen this with my other Nikon DSLRs ...
3
votes
2answers
338 views

Is having a lens with vignetting a real world negative for portrait lenses?

After reading this answer for another post: I don't mind the vignetting as it actually improves the look of portraits however if you're doing astrophotography what's the point in a lens that's f/1....
1
vote
1answer
225 views

DIY Vignette Measuring

I'm trying to measure the light falloff (a.k.a vignette) of a custom lens. My problem is that I'm not sure how one would go about creating a uniformly lit surface without the use of special diffusers ...