The Perfect Sunrise

by NULLZ

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1
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3answers
1k 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 ...
4
votes
3answers
407 views

Why do landscape photos with large apertures have dark corners?

I'm currently reading Bryan Peterson's Understanding Exposure and wanted to test his suggestion that f/11 or larger for landscapes can produce sharper photos. Perhaps not the best test but I took a ...
1
vote
1answer
49 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 ...
11
votes
3answers
2k views

When is adding vignetting appropriate in post-processing?

Like lens flare, extreme high contrast, and all the other effects that are oh-too-easy to apply in digital post-processing, the vignette effect is overused. So I ask this question in all seriousness, ...
4
votes
2answers
482 views

How does a sensor cause vignetting?

Vignetting is usually assigned to lens characteristics, or caused by light-blocking objects in front of a lens, like lens-hood or a filter. Is there vignetting (or vignetting-like effect) caused by ...
6
votes
3answers
1k 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 ...
1
vote
2answers
153 views

Does aperture affect a cameras vignetting?

I'm hoping I can get some better insight into how my camera works and how I can apply it in the future. I have a custom built camera with a Canon EF 200 lens mounted to it. The camera allows me to ...
2
votes
3answers
2k 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 ...
1
vote
1answer
258 views

What is the Shading Comp. setting on my camera, and how do I use it?

My Lumix GX1 has an on/off SHADING COMP. setting in the Rec menu, and it's set to off. What is this setting and what effect would it have when turned on? When do I want it?
5
votes
4answers
481 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) ...
4
votes
2answers
220 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 ...
6
votes
1answer
242 views

LR 3: Preset adds dark vignette, but how?

In Lightroom 3, I have some presets (example: whoiswolf_herbst_licht) that seem to darken the edges of the photo. However, I can't figure out how they do this. There is nothing that shows up in the ...
5
votes
1answer
93 views

Can I attach more filters to a full frame lens on a cropped body without vignetting than with a cropped lens?

It seems to me that because part of the image the lens is passing to the sensor gets cropped due to sensor size that it would take more vignetting to reach the cropped sensor. Is that right and how ...
5
votes
2answers
673 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 ...
2
votes
1answer
409 views

How do I create a spot light effect in Lightroom?

Having an effect of round spot light on the picture, so in the middle it's lighter and close to corners darker — what is the name of this effect in photography? What is the technique for this in ...
3
votes
1answer
99 views

Do ICC profiles support for different color characteristics for different parts of the image (i.e. near the edges)?

I believe ICC profiles are mostly used for color equalization; and I wonder whether they can be used to correct spatial differences within the images (e.g. vignetting). I would like to know if the ...
13
votes
4answers
5k views

How can I prevent my lens hood from causing dark corners?

I'm new to photography and I have a lens hood on my Canon Rebel XT camera/lens. I'm getting these dark corners on some of my photographs. No doubt they're coming from the lens hood. What am I doing ...