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.
629
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How to fix diaphram of Nikon 14-24mm f/2.8 G?
Somehow one of the nine blades in the aperture of my Nikon 14-24mm f/2.8G has come fully loose and can be seen laying turned sideways when I look through the lens. I don’t want to pay to repair it, ...
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Optimal settings for video capture in front of large digital whiteboard
I have a youtube channel and create a lot of technical videos in front of a large Dell monitor which I use as a whiteboard. I used to use my iPhone but switched to Nikon Z50 with a shotgun microphone ...
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How can we calculate effective megapixel loss due to diffraction?
How can we calculate an image's effective megapixel count at each aperture setting, specifically as loss relates to diffraction?
Assume that we already know the sensor size, its true megapixel count, ...
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Does aperture really matter if the subject distance is large?
I have calculated the depth of field for my Sony RX100M3. I have done so numerous times for all three parameters: focal length, subject distance and apperture.
I noticed that for sufficiently large ...
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Time difference between Auto Mode and Other modes
I'm a super newbie to photography. I would like some clarification on the following:
I am shooting an image in Auto mode. There is no shutter lag at all and the picture looks good. The settings are: ...
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Do you get more bokeh on a APSC sensor with a full frame 50mm f/1.8 lens or a APSC 30mm f/1.4?
I am trying to compose a detail shot where I want to get as much background blur as possible. I am using Sony a6500 camera (APSC 1.5x crop factor body). I am considering two lenses:
Sigma 30mm f/1.4 (...
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Why does aperture change when I zoom my lens even in manual mode? [duplicate]
I have my Nikon D7500 set to Manual Mode. I can change the shutter speed and it maintains the setting. When I change the aperture, the setting is not maintained and varies depending on the zoom of ...
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Is it better to shoot at diffraction limited aperture or sharpest lens aperture?
In the old cameras like Nikon D80 with 10 Megapixel pixel count. The diffraction limited aperture is F/13 but its known that lenses are generally sharpest at the F/8 so it's a no brainer to shoot at F/...
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Aperture and the understanding of how it works [duplicate]
So over black friday I bought this bundle, which is the Nikon D3500 two kit lenses.
I was wondering, I keep hearing people talk about aperture and using F11-F16 but on those lenses that I have, all I ...
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Is it best to use a wide aperture when I'm focusing at infinity and depth of field is not a concern?
If I shoot at f1.4, I can easily separate my subject from background due to the shallow DoF.
In the case where I turn the focus to infinity at f1.4, I will have everything in focus, except the ...
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What are the benefits of the classic f-number scheme?
Classic ƒ numbers are entrance pupil diameter as a fraction of focal length. This seems like a slightly strange choice as exposure is proportional to area rather than diameter. Naively I would think ...
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Why does changing aperture change field of view in my reverse-lens macro setup?
I have a reverse lens macro setup, with a reversed 35 mm lens attached through an adapter to a 80-200 zoom lens. I have the following issue: changing the aperture setting on the zoom lens changes the ...
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What aperture is selected when I use a Nikon N2000 with a G lens?
I started using a Nikon N2000 and I inserted a Nikkor 50mm 1:1.8G (https://www.adorama.com/images/Large/nk5018gu.jpg)
Since there is not any setting of the aperture (which may be from f1.8 to f.16), ...
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Why doesn't the aperture change on a Nikon AF 50mm ƒ/1.8D lens? [duplicate]
I am facing problem with a Nikon AF 50mm ƒ/1.8 lens which is attached to a Nikon D7100. Although I can change the aperture from the camera (in M mode) it seems that it is not changing in photos. What ...
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Canon 50mm f/1.8 lens won't go down to f/1.8
Bought a 1.8 lens.
Today on manual I realised it won't go down to f/1.8, the lowest is f/2.8, but on other modes it does.
The camera is a Canon 5Ds.
p.s - just moved to canon so is there a setting ...
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3
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Is diffraction limited aperture independent of lens?
I have always understood diffraction limited aperture as a property of the camera and its sensor, not of the lens. The camera has a certain sensor size and a certain megapixel count, which together ...
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How to avoid noise in Aperture Priority mode arising due to auto-ISO?
I was taking photos of birds in a cloudy day and in an area of forest where light was even low under a tree as compared to other areas.
I used 70-300 mm kit lens. When trying to take photo even at 1/...
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Why does the lower f-stop in my camera makes the photo darker?
I have a nikon d5100 camera with 35mm/f 1.8 lens. I'm not sure what's going wrong with my camera but my photo with larger f-stop numbers is brighter than the photo with smaller f-stop numbers (the ISO ...
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Do aperture blades move between each shot in burst mode?
Most professional cameras have a burst mode function. Furthermore, if the camera is SLR, the optical viewfinder shows what happens between the images in the burst, but when an image is taken, there is ...
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Is there any reason to change the ISO manually?
Here's my understanding so far. When taking a photo with a digital camera, there are some tradeoffs:
Aperture size: bigger aperture lets in more light, smaller aperture means less blurring in space.
...
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What are the ISO, exposure, and aperture settings for single frames from slow-motion video on the iPhone 6?
I filmed a video of myself swinging a tennis racket in slow motion and then used cv2 to make jpg's of some of the frames, ie. 8 ...
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Changing the camera ISO , Aperture, Shutter Speed with Android
I have a smartphone with Android 8.0.
I need control over :
ISO
Aperture
Shutter speed
Could you please suggest the way to go forward? I do not know how to change any of them?
I am using an ...
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Does a camera have to have a contiguous housing?
The lens group in this picture would have its own protective lens tubes like the one on a camera but one for each lens group. What would be an issue having a gap between the lens group and stray light ...
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Can a camera be a mile long?
Could parts of a camera be spaced out over a distance rather then together to work in a way a normal camera cannot? What characteristics would this camera have over a normal camera?
In the picture ...
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Determine the effective aperture size by f-stop/sensor size/focal length/Size of CoC [duplicate]
Is it possible to calculate the effective aperture size by the parameters below?
f-stop
sensor size
focal length of lens
size of circle of confusion
If yes, what is the equation?
If no, what are ...
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Is there an online lens diffraction and maximum sharpness table?
I simply want to see an table that lists the lens diffraction limit of each camera.
I have came across this well done answer with animated PNG
and I realized there i also the perfect sharpness ...
- 2,019
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What should I do when my D3400 aperture is stuck no matter what lens I use?
I have a D3400 and recently I haven't been able to change the aperture on any of my lenses in manual mode. I have lenses with aperture rings and if I set the aperture to anything below the largest ...
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Question on f-number and exposure [duplicate]
Is there any mathematical proof to show that the exposure in a camera is independent of the focal length used, if the f-number (ratio of focal length to lens diameter) remains constant?
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Relationship between f-number and amount of light being let into the lens system [duplicate]
Why does smaller f-number imply greater aperture diameter and consequently, greater amount of light entering the lens of a camera?
As evidenced from my study across a number of resources, an absolute ...
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Does a lens with a bigger max. aperture focus faster than a lens with a smaller max. aperture?
The assertion by a well known photographer is that the Nikon 400mm f/2.8 set to an aperture of f/5.6 will let in 4 times the light compared to a Nikon 500mm f/5.6 lens set to f/5.6, keeping the ...
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