67
votes
Given an image how to identify whether it is RAW file or not
Once I've a JPEG photograph image file, how can I find out whether it is a RAW file or not?
If you have a JPEG file, then it is not a RAW file.
RAW isn't a single format, but rather a collective ...
- 31.7k
39
votes
Accepted
How do I photograph large appliances with glass doors for product showcasing?
In a reflective surface, the reflections are of the surrounding area.
1. The bigger the object the bigger space you need
So, in your case, you need a really big space clean, let's say painted on white,...
- 23.8k
38
votes
Accepted
What are these black lines in the photograph?
The lights are either fluorescent or LED. This means that they turn on and off 50/60 times a second depending on the country.
The camera scans across the sensor at a relatively slow (constant) rate, ...
- 6,694
35
votes
Is it moral to remove/hide certain parts of a photo, as a photographer?
Artistic photography follows the beauty is in the eye of the beholder ethos. There is nothing inherently immoral about it.
Photography that is meant to make a political statement or journal actual ...
- 20.5k
33
votes
Accepted
Why do people move their cameras in a square motion?
There is a concept called "focus and recompose" which is typically used with cameras that have a limited spatial distribution of auto focus (AF) points or only one really good auto focus point in the ...
- 508
32
votes
Do smartphones suffer from degrees of chromatic aberration? If so, how is it possible?
Because the chromatic aberrations happen in the lens, not the sensor - the picture is already distorted by the time it reaches the sensor, so it doesn't matter if there is a Bayer matrix (or any other ...
- 21.8k
27
votes
Accepted
Unable to get good low light photos with Canon EOS R5
Considering these are high ISO and 100% crops, I'd say these are excellent images!
I understand the desire for yet even better, we all have that.
Given your shooting examples (which I still think are ...
- 2,231
23
votes
Given an image how to identify whether it is RAW file or not
Unless somebody frivolously renamed a RAW file, it will never have a file name with the .jpg/.jpeg/.jfif extension. Typical extensions for RAW files will be .raw, .arw (Sony), .dng (Android phones etc....
- 7,182
21
votes
Accepted
What is the relationship between ISO, aperture, and shutter speed?
The Factors
There is an equation, and by convention, it's set up to be really simple. There are basically five factors to consider together:
Aperture — the size of the opening which lets light in,
...
- 143k
21
votes
Accepted
Do cameras exist that can focus on multiple macro depths?
Sure. There's something called a light field camera, or plenoptic camera. It captures a much lower resolution than a normal camera, but it also captures additional information that allows it to be ...
- 2,215
19
votes
Features a camera should have for a 10 year old
If the 10 year old has a smart phone, she already has a camera. The commonly paraphrased expression goes: "The best camera is the one you have with you". Really, $100 isn't enough to get ...
- 1,154
18
votes
How do I photograph large appliances with glass doors for product showcasing?
Two basic techniques for dealing with reflections on glass should be known, albeit they will only reduce, not totally eliminate them - so for formal product photography, the advice about using an all ...
- 7,182
16
votes
Accepted
Is there any value in full 'beginner's kit bundles'?
Most of the stuff in those beginner kits is total junk you'll have to replace within a year.
Don't fall for it... like I did :/
The only thing in that kit that makes it a 'video kit' is the mic; ...
- 23.1k
16
votes
Is it moral to remove/hide certain parts of a photo, as a photographer?
The context changes what is acceptable and what isn't. Nature photographers are expected to photograph nature, not caged animals or taxidermy specimens. Documentary photographers are expected to ...
- 26.9k
15
votes
Accepted
Continue taking photos from smartphone or buy a camera to practice?
You should shoot with your phone - best way to get better is to shoot more, which is great if you already enjoy it.
But you should get a dedicated camera if you're interested. They work differently ...
- 563
15
votes
What is the "Sunny 16" rule of thumb?
The sunny 16 rule explains that the proper exposure in non-obstructed sunlight traveling through minimal air mass is f/16, and shutter speed set to the reciprocal of ISO sensitivity.
For example:
If ...
- 6,588
14
votes
Accepted
Does aperture affect field of view?
Answer with an image : the guy on the left represents your (vertical) field of view and its image on the sensor is inverted on the right (in other terms, the guy fills your entire image).
As you can ...
- 4,163
14
votes
Do cameras exist that can focus on multiple macro depths?
A lens only focuses on one plane. For normal cameras / lenses the plane is parallel to the film/sensor, so only objects at a particular distance from the lens will be in perfect focus, though things ...
- 3,003
12
votes
How do I evaluate photo accessories bundled with a camera?
I think the quality of most of the stuff you are getting in that first kit is dubious. You don't need the UV or FLD filters. The polarising filter is probably a very cheap one. The tabletop tripod ...
- 33.3k
12
votes
Trying to find a good camera in my price range
Im 13 years old and just starting to get into photography. I trying to find a good instant camera under $100
Your best bet is probably a point-and-shoot digital camera rather than an "instant" camera....
- 31.7k
12
votes
How can I focus on only part of the scene when there are multiple objects at the same distance?
Short answer: as the framing is, you cannot achieve this without post-production. If you do not want to use blur-filters in something like Photoshop, you should try to use another framing.
The twig ...
- 6,467
12
votes
How to crop this photo of water drops on a leaf to improve the composition?
The background
is uninteresting
includes features that distract
so I would crop the picture to completely remove it:
I would have kept the background if:
it was pretty (garden, etc...)
the subject ...
- 20.6k
12
votes
Is it moral to remove/hide certain parts of a photo, as a photographer?
It depends on the intent. If the goal, and actual result is "art", i.e make a nice-looking thing, then anything is acceptable. If the goal is to make the picture be a fake proof that something ...
- 20.6k
12
votes
Accepted
What's the actual physics of diffusion filters?
I read online that diffusion filters do not add data as the entirety of the effect can be recreated in post with more flexibility.
Yes and no. But in practice mostly no.
Yes, in principle, the ...
- 4,703
11
votes
How can I take a low-light portrait of a violinist, without dedicated lighting gear?
This is a basic low-key shot, but without the benefit of a flash you're going to need to work harder to get the big difference between subject and background.
Without a flash, a good bet for the kind ...
- 31.7k
11
votes
Given an image how to identify whether it is RAW file or not
Trivial ways to recognize whether a file is a RAW or a JPEG:
File ending: JPEGs end with .jpg or .jpeg, RAWs end with different ...
- 6,467
11
votes
Accepted
How to crop this photo of water drops on a leaf to improve the composition?
To avoid having to crop it quite so hard as xenoid's example, I tried this...
I healed out the worst culprits - the grey at the bottom of the wall & the post near the centre. I could have done ...
- 23.1k
11
votes
How do I photograph large appliances with glass doors for product showcasing?
I use for reference the first half page of hits when I search "product photographs industrial refrigerator"…
You'll notice the very first thing you are going to need is a white room, or if budget is ...
- 23.1k
11
votes
Unable to get good low light photos with Canon EOS R5
An alternative might be to try out one of the new 'AI' type of noise-reduction apps/plugins.
OnOne, Luminar, Photoshop & probably others are offering this 'new, improved' type of noise reduction.
...
- 23.1k
10
votes
Is there any value in full 'beginner's kit bundles'?
There are two different kind of camera bundles. One kind is a "kit lens" from the manufacturer — usually camera body and a 18-55mm or similar zoom lens, occasionally also with a second telephoto zoom....
- 143k
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