Questions tagged [aperture]
Aperture is the opening in the diaphragm of a camera lens. For questions relating to Apple's photo management software, please use [apple-aperture] instead.
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Is depth of field and bokeh influenced by distance to the subject?
I know that the aperture size has a direct effect on the depth of field.
However, what about distance to the subject? Let's say I took two pictures, one at 24mm and one at 70mm, using the same lens ...
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Recommendation for a budget fixed focal lens
I'm looking for a lens for portraits and closeups (leaves, branches, icicles) that would be fast enough to get a blurred background.
My camera is a Nikon D50 and I'd like to get something for ...
user3773
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Why is my Nikon 50mm f/1.8 giving me an fEE error?
I have a AF Nikkor 50mm f/1.8. When I have the aperture setting on the lens to 22 I can take photos. But when I change the dial to anything other than 22(lowest f/stop) then I get a flashing fEE ...
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What is a "diffraction limit"?
I've seen the term used, but what is a "diffraction limit", when should I worry about it, and what undesirable effects are a result of it ?
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Why must I lock the aperture on my AF lens on my Nikon D40?
I am using the Nikon 50mm f1.8 AF lens on my D40 and the photographs look excellent - I have to manual focus, but this suits me just fine for the portrait shots I'm taking.
The problem is that to use ...
- 559
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Do the same camera settings lead to the same exposure across different sensor sizes?
Let's say I have a micro-4/3rd camera and a full frame camera, both set to 1/60 at f/2.8, taking a picture of the same scene in the same lighting. Will the exposure be the same across both cameras ...
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How do different aperture and shutter settings affect a photo with the same overall exposure?
Ok, here's my doubt. Suppose I want to get a certain exposure for an image. Keeping the ISO constant, there are two tentative possibilities here:
Put the camera at f 1.4 (say) and at 1/1600 shutter ...
- 1,330
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How do constant aperture zoom lenses work?
Cheaper zoom lenses usually are faster at the wide end and slower at the long end (for example, the $150 Canon EF-S 18-55mm f/3.5-5.6). More expensive constant-aperture zoom lenses have the same ...
- 5,088
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What is the fastest lens available for a DSLR?
I've seen references to f1.2 lenses. I was wondering, are there any faster lenses available for a DSLR mount?
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What's the benefit of a tiny aperture?
In this answer to another question Rob Clement wrote:
Think background first. What story do you want to tell? Epic background, big mountains. Looking to deliver a sense of grandeur with your ...
- 11k
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What aperture should I use to photograph people and why?
What f/# do you use to photograph people, and why? I know this varies from shot to shot.
Let's suppose that you are photographing either a single person or a couple, that it it outside on a somewhat ...
- 10.9k
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Will using a lens at max aperture ("wide open") result in poor images?
I’m looking to add a second lens to my kit lens I got with my Nikon D7000.
I have read several reviews on both the 35 and 50 mm lenses made by Nikon in particular that said using either lens at the ...
- 7,908
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When to use shutter priority instead of aperture priority?
Under what circumstances would you use aperture priority vs. shutter priority and vice-versa?
I typically don’t use shutter priority (ever) and favor aperture priority to try to get a max aperture ...
- 7,908
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Is "slow" focusing/shutter release normal on a "fast" lens?
I just received a 35mm prime lens for Christmas (Nikkor 35mm f/1.8) and it is painfully slow to take pictures at times. Sometimes the shutter release is almost instantaneous, like with my other (kit ...
- 1,136
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How can I get bokeh with an aperture of 3.5 as my max?
I am trying to get DOF portraits of my daughter with my Nikon d7000, as per my previous post.
I have zoomed in to 100mm or so and tried to get a large aperture but as I zoom, the camera decreases f# ...
- 7,908
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Does a bigger aperture create better photos?
I have observed that the wider the aperture, the more expensive the lenses are. However, I would like to know whether it really makes a difference in your photos or not?
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Why is the depth-of-field preview in the optical viewfinder of my Canon 500D inaccurate?
I have noticed that in my Canon 500D, the depth-of-field preview in the optical viewfinder is inaccurate with large aperture settings.
If I press the DoF preview button, there is very little ...
- 2,511
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Focusing on moving target with large aperature?
I have read about difficulties getting focusing right when using a large aperature (because of depth-of-field issues).
If I am using a fast prime wide open (say F1.4 or F1.8) to shoot a target in ...
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Is there any way to stop down the aperture of a Canon PowerShot SD780 IS?
I have a Canon PowerShot SD780 IS point-and-shoot which I use as my carry-around-everywhere camera when I don't want to drag my SLR about. This tiny little camera works great and takes fabulous ...
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How do you find out the "sweet spot" of a lens?
I've tried googling this, but have never found a satisfactory answer.
I've heard the term "sweet spot" thrown around by some photographers to mean the f-stop of a lens which results in the highest ...
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Are fast lenses only fast when shot wide open?
Given two lenses with different max apertures but the same size image circle (say, full frame on a Nikon FX DLSR camera) and taking shots at the exact shutter speed and focal length under the same ...
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How does aperture work without "cropping" the image hitting the sensor?
I've been teaching myself the various settings in cameras and now have a much fuller understanding of how to use my camera effectively, but one thing is still bugging me.
When the aperture size is ...
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Does lens speed still increase meaningfully when the physical aperture is larger than the sensor size?
This question came to me this morning, thinking about 50mm lenses. I have the Pentax 50mm f/1.7 (manual) and it's a very nice lens, but would be considered (relatively) slow on 35mm film, and many ...
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What are the limits of extension tubes?
Given lighting is not a problem, can you hit a limit where you have too much extension tubes (a very long tube) and the quality of the image will suffer? For example a diffraction limit will be hit ...
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What does f-stop mean?
What does f-stop mean? Is it the same thing when people say "2 stops" for example?
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What are some common ISO, aperture, and shutter speed settings for street photography?
I recently purchased a Panasonic GF1 with the 20mm pancake lens. It's by far the nicest camera I've ever owned and I'm really excited to learn the basics of digital photography (primarily street ...
- 1,585
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What are some tips for shooting in low light?
I own a Canon 450D with just the standard kit lens that comes with it (I don't plan buying a new lens for a while) and one thing I tend to struggle with is shooting in lower light conditions, indoors ...
- 463
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What is aperture, and how does it affect my photographs?
How does aperture affect my photographs?
Why should I care about the aperture with which a photo was taken?
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Is there a noticeable difference between 1.8 and 1.4 prime lenses?
I have been shopping around for a prime lens for my Nikon D50. I noticed that the 1.8 is hundreds of dollars cheaper than the 1.4 AF-S. What will I gain for that cost difference? Is it really ...
- 1,413
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