All Questions
Tagged with how-camera-works or camera-basics
200 questions
0
votes
1
answer
3k
views
Why is there a light outlining this picture when I push the info icon?
My boyfriend sent me this picture of him at work when I go to push the info icon for the picture to see what time it was taken this glowing outlined light appears?
1
vote
1
answer
451
views
Accidentally wound film the wrong way on basic film camera
this is my first film camera and I followed the instructions to wind the film manually whenever I take a shot. As it was my first few times, I did it the wrong way and turned it anticlockwise. It felt ...
- 11
1
vote
2
answers
74
views
How to check for excessive light from faculae on the dwarf planet Ceres?
The Dawn space probe took a lot of photos of the dwarf planet Ceres in the asteroid belt, and discovered the strange looking faculae (white spots) in the Occator crater that seem to glow in the photos,...
- 111
0
votes
1
answer
163
views
The color of an overexposed and developed black and white photo film?
When black and white photo film is completely overexposed and developed, will it be completely black opaque (you can't see light through) or will it be black but not opaque (you can see light through)?...
1
vote
4
answers
232
views
What is the definition of focal length for a camera lens?
I came across many articles where the focal length of a camera lens is defined as the distance between the optical centre of the lens and the sensor. One such article is here:
https://photographylife....
- 177
-4
votes
2
answers
113
views
What is the major difference between aperture and shutter?
There is some thing which I get from google is: Aperture controls sharpness and focus of photo and also how much light enter in camera. Shutter is how much time shutter open and get light into light ...
- 3
0
votes
2
answers
104
views
Feasibility Sony Alpha mounted on motorcycle
I'm planning on buying a Sony Alpha a7 III and mounting this camera on the tank to take high quality footage.
From what I understand the high vibrations of the motorcycle would kill that camera rather ...
- 3
0
votes
1
answer
2k
views
Godox Trigger & Godox SK400 II studio flash
I’m having trouble getting my Godox X2T (s) trigger to sync with my Godox SK 400 II light. Are these two compatible or do I need another trigger. Since they are both Godox I figured they would work ...
- 1
3
votes
3
answers
275
views
Wrong label on battery info section
I have canon 200D II camera and battery is LP-E17.
When I plugged battery in the camera and checked the battery info section of settings, it shows DR-E18 instead of LP-E17.
And no section of "...
- 150
5
votes
4
answers
301
views
Does going over old images and looking at the settings improve yourself as a photographer?
So I'm looking at some old photographs and looking at the iso, shutter and aperture and wondering to myself why did the camera, or why did I pick those settings knowing what I know now.
Since I’m ...
- 293
3
votes
7
answers
3k
views
Does Manual iso = low noise?
I was taking some test shots today indoors (decent amount of light) set the iso manually to 800 looked through the viewfinder and I was at 1/20 (I was using Av mode) bumped the iso to like 1000 and my ...
- 293
2
votes
1
answer
246
views
AE-Lock and Re-compose
I'm confused on how AE-lock works. I was advised and also tried this. Walk into a room point at what I want to capture, lock the exposure with AE-lock. Re-compose and take the shot. In theory the shot ...
- 293
2
votes
1
answer
718
views
Is it still possible to do great use of a Nikon P500 CoolPix?
I have always been insterested in photography but for personal reasons I was never able to pursue this passion. I bought a Nikon P500 some years ago and I never made great use of it. To be honest, I ...
- 123
0
votes
2
answers
140
views
How does Lightroom and PS guess color temperature?
I've been searching for weeks for what Lightroom and Photoshop use to determine your image's color temperature. People have said a lot about the kelvin scale and how to white balance, but this isn't ...
- 67
0
votes
4
answers
4k
views
Can aperture be changed in aperture mode even with a constant maximum aperture lens?
I am new to non-auto mode.
If I have a fixed aperture lens with f/2.8 16–35 mm. Does this mean I cannot change the aperture to f/4 or f/5 on my camera because the lens only supports f/2.8?
Is the f/2....
1
vote
0
answers
69
views
Unable to click pictures with nikon D3500 [duplicate]
https://drive.google.com/drive/folders/1s_xLLeXyCNRJmyem2vkqLd-g9XnU3DZm?usp=sharing
here is the link of pictures and videos to my problems.
To describe it in words, my camera nikon d3500 is going ...
- 11
1
vote
3
answers
1k
views
How can a camera pick up and process colors?
How does a camera/AI/ robotics process and determine the color of a specific object ?
- 11
1
vote
4
answers
262
views
Were "shutter speeds" for cameras really in the hours back in the day?
https://en.wikipedia.org/wiki/Shutter_speed
I can't find any mention of it here, but once I read in a printed comic book, where there was a page of "weird facts", that in the beginning of ...
1
vote
1
answer
162
views
Do I need to remove the flash hotshoe cap when taking pictures?
I just bought an Olympus Trip 35 and this is my first ever film camera. I went hiking yesterday and I took the camera to take shots. All of them were outdoors.
I was just wondering, the little cap ...
- 11
3
votes
3
answers
183
views
What's the best way to learn about the basics of photography?
I am new to photography and would like some help on how to learn the basics I've searched through the Internet but just keep coming up with lots of different courses ranging from free to paid but they ...
- 31
0
votes
1
answer
841
views
Why is there a maximum focus distance when using an extension tube? [duplicate]
I am using the Nikon D850 together with the Sigma 50mm/1.4 Art and the
MEIKE MK-N-AF1-A extension tube(s).
During first shots I found out that the combination not only has a minimum focus distance (...
0
votes
2
answers
567
views
How to know if a camera lens is for micro 4/3 cameras? [duplicate]
Hey guys I'm seeing this LUMIX G 42.5mm F1.7 ASPH lens but I'm not sure if it's for my micro 4/3 camera:
- 101
0
votes
2
answers
64
views
How do i find the distance required to resolve a point on a page from a mobile camera?
Given all details such as focal length , aperture etc , how can i find the size of a point on a paper that is at a given distance from a mobile camera ? Or vica versa , the distance required to ...
9
votes
4
answers
4k
views
Is camera lens focus an exact point or a range?
I have often wondered if the focus of a lens at a particular focal length is an exact point or a range within a few millimeters. This becomes all the more important when manually focussing. How far ...
- 209
3
votes
2
answers
3k
views
Why would a camera change colors on the image when producing JPEGs?
There's a room with windows closed by curtains, it's night outside and the only light source is a set of LED filament lamps inside the room. Lamps are designed to have 2200K color temperature to have "...
- 1,059
22
votes
8
answers
6k
views
Why exactly do action photographers need high fps burst cameras?
I've heard that sports and wildlife photographers need cameras that can take lots of photos in a second in the burst mode.
But why? Yes, simple question — but why?
- 2,019
1
vote
3
answers
341
views
A projection of a real-image is one fixed perspective, but looking through the lens with my eye, I see many perspectives. Why?
Assume that I have a camera obscura (with a large lens - something like a magnifying glass) setup projecting an image of some still life. I look at my projection on my projection plane and I see one ...
- 135
2
votes
2
answers
430
views
Why can my eye focus on the real image of a convex lens at many distances from the lens, but a projection only works at a specific distance?
Say I have a single convex lens. I set it up like a camera obscura, shine a light on my object and project the image onto a projection plane. Given the focal length of my lens, the projection plane, ...
- 135
0
votes
1
answer
110
views
Which mode is the best for taking pictures: manual, auto, or portrait? [duplicate]
Which one is the best mode for taking pictures: manual, auto, or portrait? Or if any other mode is better, please state what it is.
- 113
1
vote
2
answers
2k
views
What is the difference between a 3D camera and a stereo camera?
I just started with image processing and came across 3D cameras. But, I couldn't understand much. Are 3D cameras same as stereo cameras? My understanding of stereo cameras is that there will be two ...
- 113
0
votes
1
answer
4k
views
Will a larger sensor provide better video quality?
I am looking for a mid-range camcorder which can shoot at least somewhat better videos than a phone (like Samsung S6).
While searching for camcorders, I came across the Panasonic HC-V777 and Sony ...
- 271
26
votes
5
answers
9k
views
Why doesn't the picture become darker the more you zoom in?
As your lens's focal length gets longer, fewer photons pass through the lens to hit the mirror/sensor.
Why don't you see darkening when you look into the viewfinder and zoom in with a zoom lens, and ...
- 1,303
-1
votes
1
answer
135
views
a general account on parameters of a camera; which are innate, which are derived, which can be processed later, etc [duplicate]
So we all know there are 3 golden parameters in camera: aperture, iso, shutter speed. I could sense those 3 parameters are innate, which means they are directly related to the mechanics of the camera, ...
- 9
6
votes
3
answers
4k
views
First time - Night Club Photography - what gear do I need?
One of my friends wants me to shoot some picture of him/people at the club where he is a DJ. But I just started out so I don't have so much knowledge on it so I need some help.
My gear:
Sony α6300 ...
- 179
4
votes
2
answers
683
views
External Flash triggered by camera's internal trigger
I am stuck. I am starting to understand and try Flash photography with my Canon 750D.
I have ordered a yongnuo 560 iv just yesterday.
Now as I am tight on the budget, I have not ordered a trigger ...
- 199
14
votes
6
answers
21k
views
Why does my camera hesitate when shooting?
It seems like when I take a picture, the end result is not the picture I wanted because it hesitated and took too long. I have a Nikon D3300 and just use the auto focus. What am I doing wrong?
- 149
1
vote
1
answer
2k
views
Understanding the differences among Rolleiflex TLR cameras
What's the difference among the following Rolleiflex cameras:
Rolleiflex 3.5T
Rolleiflex 3.5F
Rolleiflex 2.8C
Rolleiflex Automat
What's the right one to choose for beginners of medium format ...
- 1,482
2
votes
1
answer
11k
views
What does "12MP + 12MP Camera" mean in the specs of a mobile phone?
I have seen some mobile phone specifications that mention "12MP + 12MP Camera", such as these specs for a Samsung Note 8:
...
- 145
7
votes
3
answers
690
views
Are scene modes on compact camera much useful?
The scene mode selecting dial on my old compact camera is highly sensitive now, it could easily switch the mode even I don't touch it. Unfortunately there is no spare part left on this model, so I ...
- 419
-1
votes
2
answers
174
views
What type of lens can portray a blurred, wide background but not make the subject look so far away?
What type of lens should I be looking for to take portrait photos?
I would like a lens that portrays a blurred background and also captures a wide background while not making the subject look so ...
- 19
0
votes
3
answers
3k
views
Why doesn't the focal length in EXIF change when I manually focus my DSLR?
I tried to take several pictures with a DSLR ( Nikon D3200 - 18 to 55mm zoom lens) with manual focus mode. I changed the manual focus randomly and clicked several pictures one after another. I was ...
- 413
5
votes
4
answers
7k
views
What does a more expensive camera offer over cheap ones — and why are they so much more expensive?
I have a point and shoot camera which cost 13k (about $200 US).
Wedding photographers have cameras in the 500k range ($8000).
What is the fundamental difference between our cameras?
Why this huge ...
-1
votes
6
answers
870
views
When to use high iso and a short shutter time and vice versa? [duplicate]
In what situations you can use a high iso value and a short shutter time, or use a low iso value and a long shutter time? What will be the difference between two pictures of exactly the same scene, ...
1
vote
2
answers
9k
views
What happens if i rotate the film rewind?
Can someone tell me what happens if I rotate the film rewind(back cover open knob) when the film is still in the camera? I accidentally moved it.
- 11
0
votes
2
answers
3k
views
Manually rewind unused film to its canister
I need an advice. Because I'm a total amateur camera-lover.
So I just tried to load a film on a point shoot camera without having any idea if the camera is working or not. I loaded it smoothly. BUT, ...
10
votes
6
answers
7k
views
Why do moving objects in photos appear blurry?
When taking a photo on most cameras, if you take a picture of a moving object, the object appears blurry. Why does this happen exactly?
- 209
1
vote
4
answers
680
views
How to compare 2 cameras' color accuracy quantitatively with standard color chart?
I need to compare the color reproduction accuracy of 2 cameras quantitatively, in RGB space or Lab space.
In my set-up, I use the same standard lighting source, same lens(same focal length and same ...
- 71
5
votes
1
answer
128
views
What "makes" contrast, anyway? [closed]
Or better, the loss of it?
If I take a picture of a uniformly white wall, I don't expect contrast at all and that's ok.
But sometimes I take photos of a a scene where there are light areas, dark ...
- 609
-1
votes
3
answers
3k
views
How to calculate distance of an object from camera or size of an object in an image? Have to utilise already generated camera parameters to find these [duplicate]
How to calculate distance of an object from camera or calculate the size of a object in an image? Given that, I have already generated the camera parameters (intrinsic and extrinsic). I have to ...
0
votes
2
answers
269
views
How to read a histogram? [duplicate]
Cameras can show a graph divided by 3 vertical lines. What does this graph describe about the picture, and how can I learn how to read it?
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