Questions tagged [camera-basics]

Camera basics are the timeless and generic aspects of cameras; even as technology evolves, these things will remain essentially the same.

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44
votes
12answers
41k views

How can I get dramatic shallow DOF with a kit lens?

I'm currently using an entry-level DSLR with 18-55mm lens and having great trouble trying to creating a blurred background effect in my photos. Now matter what aperture or shutter speed I choose, I'm ...
0
votes
2answers
67 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 ...
1
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0answers
51 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 ...
10
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5answers
1k views

Why are the color spaces we have access to incomplete?

The question, then: If all colors are combinations of red, green and blue, and my monitor's pixels use all three, why is its color space limited to so small a portion of the actual complete color ...
4
votes
2answers
534 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 ...
15
votes
6answers
13k 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?
20
votes
6answers
41k views

Is there a formula to calculate DOF?

I am pretty clear about that DOF depends on: Focal length Aperture or f-stop Distance from subject Sensor size and more (as pointed out in this comment). But my question is: Is there any formula ...
1
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3answers
90 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 ?
1
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4answers
167 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
1answer
79 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 ...
12
votes
8answers
19k views

How can I get everything in focus? (Why can't my camera just use all of its focus points at the same time?)

I have a Canon 550D with 70-200 f4 and 50mm prime lenses. Although the camera has built-in 9 focal points, I sometimes face a strange problem. Here's a sample photo: In reference to the above pic, ...
14
votes
15answers
27k views

Why would I use manual camera controls instead of the automatic modes?

I'm very new to digital photography, so I still haven't gotten the hang of all this exposure and ISO stuff, etc. I have a Canon EOS T3. My question is how big of a difference does it make using ...
29
votes
4answers
11k views

What is focal length and how does it affect my photos?

What is focal-length? Are focal-length and zoom synonymous? How does the focal length of a photo affect it? Are there common uses for different focal lengths, and how can I decide what to use when?
0
votes
2answers
1k 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 ...
2
votes
3answers
144 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 ...
0
votes
1answer
346 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
2answers
143 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:
20
votes
8answers
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?
5
votes
6answers
22k views

What is the relationship between focal length and shutter speed?

I am very new to photography and am trying to grasp the basics of it these days. Can someone please help me understand the relationship between focal length of a lens and shutter speed of camera?
0
votes
2answers
54 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 ...
3
votes
2answers
1k 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 "...
75
votes
16answers
30k views

Is it lenses which make your photographs, not camera bodies?

I read somewhere on this site itself that you should spend more on your lenses and less on your camera bodies. Is it a myth or a fact that mostly it is the lenses which make your photographs not the ...
34
votes
6answers
46k views

What is one “stop”?

I always hear this term, e.g., I had to go down one stop Increasing X by Y raises Z by one stop I turned down the flash/the light two stops This lens/sensor/strobe/Photoshop tweak raises X by around ...
27
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7answers
3k views
6
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3answers
3k 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 ...
12
votes
3answers
81k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and appearance of depth that you can achieve. That is great in a lot of scenarios, but not in all. When ...
9
votes
4answers
3k 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 ...
78
votes
16answers
20k views

What advantages does manual mode have over aperture priority mode?

I'm wondering what are the most compelling reasons to switch to manual mode on my DSLR. I mostly just use aperture priority mode so I have good control over the depth of field combined with an ...
57
votes
9answers
143k views

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?
18
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4answers
8k views

Why are effective pixels greater than the actual resolution?

This page compares Canon EOS 550D and Canon EOS 500D cameras and mentions 18.7 million effective pixels for 550D. However the best resolution possible using this camera is 5184 * 3456 = 17915904 ~...
1
vote
1answer
1k 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 ...
9
votes
3answers
1k views

What is the technical name for a zoom lens which has a fixed maximum aperture?

What is the technical name for a lens which has the same maximum aperture throughout the entire zoom range?
1
vote
3answers
254 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 ...
2
votes
2answers
237 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, ...
6
votes
1answer
9k views

Why the faces in the corner tends to skew a bit in almost all smartphone cameras

I have noticed in almost all the smart phones I have used, the faces of people in the corners (either side) tends to skew a bit in all smartphone cameras. Is it something the lens is not as good as ...
0
votes
1answer
96 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.
1
vote
2answers
4k views

Is Nikon AF Nikkor 28-80mm Lens compatible with Nikon D5100 DSLR?

I plan to buy the Nikon AF Zoom-Nikkor 28-80mm f/3.3-5.6G lens for my Nikon D5100. I want to know compatibility, performance and quality of the lens-D5100 combo.
0
votes
1answer
2k 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 ...
2
votes
1answer
9k 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: 12MP + 12MP Camera 8MP Front Camera 6.3" Display 64 GB Memory 6 GB Ram 2.3 + ...
24
votes
5answers
8k 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
votes
1answer
119 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, ...
2
votes
1answer
550 views

How do you even see the focus area rectangle when in dark?

I was reading the manual for my camera and well they have a rectangular kind of area that they show in viewfinder and those little squares as focus point and how to change those focus points. But the ...
20
votes
5answers
11k views

What is a rolling shutter? When do I have to be aware of it?

In answer to another question, Adam Davis writes: Your camera complicates this by using a rolling shutter above a given speed (usually around 1/200. This means that only a portion of the ...
6
votes
3answers
637 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 ...
11
votes
4answers
2k views

How to choose a good smartphone if the top priority of the user is photography?

At the current rate by which technology is improving, I believe that mobile photography is not far behind their DSLR counterparts, generally speaking. However, for amateurs like me, it is quite ...
0
votes
2answers
1k views

Does the body of Nikon D750 make clicking sound/noise when moving it up and down?

I just got a brand new Nikon D750 body. However, I found that the package has a lot of room to move around so I don't know if there was any damage done to the camera body during the shipping. When I ...
68
votes
5answers
10k views

What exactly determines depth of field?

There are several questions here about the definition of depth of field, about focal length, and about subject distance. And of course there's the basic how does aperture affect my photographs. And ...
21
votes
5answers
3k views

What is mirror lockup and what is its primary function?

My SLR is equipped with the mirror lockup function. What does it do, and when would I employ such a feature?
24
votes
8answers
4k views

What are good resources for a beginning photographer?

What are good resources (tutorials/books/videos/etc) for a beginning photographer? Keep in mind that this is for a beginning photographer, who has recently moved from a point-and-shoot to an entry-...
13
votes
2answers
9k views

What is a remote shutter release?

What is a remote shutter release? In what kind of photo situation would I use a shutter release?