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38
votes
7answers
20k views

Does my crop sensor camera actually turn my lenses into a longer focal length?

So, I mount a 200mm lens on my Canon 450D. It effectively becomes a 320mm lens. Is this the equivalent of 320mm on a full frame camera? That is, from what I've figured out I get an equivalent field of ...
38
votes
13answers
14k views

How can I get a good HDR image from a single RAW file?

I've heard that it's possible to create an HDR image from a single RAW file. (Obviously, it won't be as good as using multiple bracketed RAW files; I know that much.) Every time I try — using ...
38
votes
6answers
27k views

Why does a bigger sensor lead to a shallower depth of field?

It has been mentioned at a few places that a larger sensor results in images with a shallower depth of field. Example image: APS-C Canon 30D left, FF Canon 5D right, same lens, same composition, ...
38
votes
5answers
5k views

Why are some big telephoto lenses so expensive compared to telescopes?

I'm looking at an ad for a used Canon 1200mm f/5.6L EF USM Autofocus Lens where they are asking $180,000. Yes, that's not a typo. I don't get it. I'm an amateur astronomer and I know I can buy a ...
38
votes
3answers
9k views

Why is “The Steerage” hailed “one of the greatest photographs of all time”?

From https://en.wikipedia.org/wiki/The_Steerage: The Steerage is a photograph taken by Alfred Stieglitz in 1907. It has been hailed as one of the greatest photographs of all time because it captures ...
38
votes
6answers
28k views

What is the difference between digital high ISO noise and film grain?

What is the difference between digital high ISO noise and film grain? Why does one "eat detail" and the other does not?
38
votes
3answers
5k views

How can I show a slope? Even mountain roads appear flat in my photos

During a bicycle trip, I wanted to take a pic to show how sharp the slope was (about 20%). The same applies downhill. See below, the viewer can't really tell whether it is downhill or flat or uphill: ...
37
votes
11answers
13k views

What makes a photo a good photo?

I don't know if this is a stupid question, this just came across my mind. Imagine a photo of a dog yawning. Someone could say that is a very good photo as it is taken just at the right moment, from ...
37
votes
13answers
10k views

Should I be shooting in RAW even though I'm a beginner that doesn't know how to retouch photos yet?

I am a beginner, should I still be shooting RAW?
37
votes
6answers
2k views

What's a concise “I'm not dangerous” phrase for a business card?

Not being a street photographer, I find myself intimidated by onlookers when shooting in public. Given that and an increasingly hostile government attitude toward photographers, I'm thinking a ...
37
votes
5answers
22k views

What is a macro lens?

I've read a few threads on here that mention some elementary descriptions of macro lenses and found some marketing fluff in the box for my Canon about them as well, but being a complete novice I was ...
37
votes
3answers
4k views

How do I give someone a critique of their photograph?

I often read about giving and getting critiques on a photograph or series of photographs. Specifically how do I go about giving a critique? What do I say, what points do I want to hit, etc.
37
votes
3answers
4k views

When you zoom in with a lens on an SLR why does the lens go in then out?

I guess this is more a question of optics than photography but I just got an SLR with a basic 18-55 lens. I noticed that when going from 18 to 55 or 55 to 18 the lens physically comes back in and ...
37
votes
4answers
3k views

How can I take advantage of fog in my photographs?

Ir's been quite foggy here for the last few days. The quality of light is different. Colour saturation is fairly low. Near the edge of the fog bank the sun looks great, as if there is a huge ND filter ...
37
votes
2answers
8k views

Why do flashes make a whistling sound when recycling?

When recycling, some flashes make a whistling sound, going from low to high frequency for a few seconds. After a more intensive flash, the sound is more intense as well. What is the source of this ...
37
votes
3answers
3k views

Why don't they make all DSLRs with an electronic shutter?

Why don't they make all DSLRs with an electronic shutter? Is it technically possible? Surely this would allow easier syncing with flashes (rather than the usual 1/200s or 1/250s max). I could even ...
37
votes
4answers
96k views

What is back-focusing?

What is back-focusing? Is it something I need to be worried about, or can I just live with it? How can I tell if my camera/lens is sufferring from it?
37
votes
9answers
33k views

How to nail focus for DSLR astrophotography?

I've been doing a bit of astrophotography and the problem that I almost always have is nailing focus. I'll manually focus on a bright star or the moon (which hopefully isn't an option!) by magnifying ...
37
votes
4answers
4k views

How do I interpret an MTF Chart?

As part of how Canon (and other lens makers) give technical information about their lenses, they supply an MTF (Modulation Transfer Function) chart. How do I read and interpret what the chart is ...
37
votes
3answers
5k views

Does Auto White-Balance Really Work? How?

I don't understand how the camera can work out the white-balance to use in a given scene. I could see it working if there is an obvious colour-cast (for example: under fluorescent lights). Does it ...
36
votes
6answers
8k views

Image rejected by Shutterstock because the main subject is out of focus and it contains noise

I am a student learning doing photography as a hobby, I came across shutterstock and heard it is a way of making money by contributing and selling your images. My first image was rejected with reasons ...
36
votes
9answers
55k views

What are the major differences between these camera series by Canon?

Here is a shot of the different series of camras that Canon has to offer: There's several models of Rebel, then there's the 50D, the 5D, and the 1Ds. Broadly, which one is for whom broadly?
36
votes
12answers
16k views

How can I take shallow depth of field photos with a point-and-shoot camera?

I have a compact digital camera, and in macro mode I can manage to achieve a blurred background, if the background is far enough away. Can this be done when taking non-macro pictures, and if not, is ...
36
votes
6answers
7k views

Why take diagonal photos?

In the "old days" I sometimes composed my photos diagonally, but I've not had success doing that in the "modern" era, because there's not really any nice way to present it digitally. Is there a ...
36
votes
6answers
28k views

How to have colors in Milky-way?

Many photos of Milky-way show it in nice colors instead of just the black of sky and white of the stars. Is the key to having those colors in the capturing of the image or in the post processing, or ...
36
votes
8answers
9k views

Why are there no dark yellows, or bright violets?

In his book The Photographer's Eye, photographer and author Michael Freeman says: Another consideration is relative brightness. Different hues are perceived as having different light values, with ...
36
votes
12answers
4k views

What situations are best suited for spot metering?

I have found myself using spot metering on several occasions in order to get the right exposure, such as sunsets and on bright days with a subject in the shade. What other situations are well suited ...
36
votes
4answers
6k views

How can I use my dSLR or mirrorless camera as a webcam?

I'm primarily a stills photographer with some great interchangeable lens camera gear. But now in 2020, I find myself needing a webcam for video conferencing under lockdown. I'm frustrated by the lack ...
36
votes
3answers
2k views

What should one consider when choosing a style of tripod head?

What should one consider when choosing a style of tripod head? There are ball heads, 3-way pan/tilt heads, geared heads, even gimbal heads. I'm not asking so much about brands, but styles... how ...
36
votes
8answers
4k views

How does one develop good photographic vision and style?

I am a relatively new photographer. I've only owned my Canon Rebel XSi for a year, however I was researching SLR/DSLR camera gear and photographic theory for over a year before I purchased a DSLR. I ...
36
votes
11answers
5k views

Is version control software used for photos?

I am a software developer at heart and by trade, and spend a lot of time in development tools... One of the more useful development tool types is version control, and for the uninitiated, it works ...
36
votes
6answers
7k views

Do sensors wear out?

We all know that shutters wear out and they have a limited number of actuation's. The question I have is, do sensors wear out too? Do they suffer any kind of damage after each shot? Should I be ...
36
votes
7answers
264k views

Is GPU or CPU more important for Photoshop and Lightroom?

I'm looking to buy a laptop (for a spare) and I'm not ready to spend the amount I did on my first one. The machine will only be used for photo editing. Should I go for the dedicated graphics card or ...
36
votes
2answers
7k views

What is “bokeh panorama” (also called the “Brenizer method”)?

Somewhere I don't remember, I heard about the Brenizer method. After reading a few sites, there is no consistent information about what it is exactly, or what the procedures are to apply it, so: ...
36
votes
3answers
11k views

How can I test a new lens to make sure it is operating correctly?

How can I test a new lens to make sure it is operating correctly? I found two similar questions with answers specific to things such as sharpness and focus, but I want to cover any and all possible ...
36
votes
13answers
3k views

What's the best number of shots to combine to produce an HDR photo?

What's the optimal number of shots to produce a high dynamic range Does it vary from scene to scene? Do the capabilities or limitations of my camera factor in? Are there different HDR techniques ...
35
votes
9answers
12k views

What's the difference between using black and white mode in-camera, and converting in post?

For black and white photography, will there be any quality difference between using the built-in black and white mode, or shooting in color initially and then removing the color later using Photoshop (...
35
votes
13answers
11k views

Why are tripods forbidden in some public spaces and how to deal with it?

Yesterday, I've been to the Britomart train station in Auckland, New Zealand, to take some pictures of that place. To do so, I carried my tripod with me. Aware of the fact, that some places don't ...
35
votes
10answers
4k views

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 ...
35
votes
10answers
2k views

What attributes should I look for when buying batteries for a flash?

I want to buy some more rechargable batteries (AAs) for my flashes. I suppose I mainly care about: - Quick recycling of the flash - Hold their charge when not in use Although bonuses for: - Long ...
35
votes
8answers
16k views

Should I shoot underexposed photos?

Someone more experienced than me said that he always shoots so that his photos are underexposed (darker) and I should too. The reasoning being that you can always increase the exposure in ...
35
votes
18answers
3k views

What software is focused on reviewing and organizing images?

If I wanted to just view, sort, and organize (via tags or folders or both), what programs are geared toward doing this quickly? I know I could do this in most any photo editor, but it's not ideal for ...
35
votes
5answers
2k views

Is there a trick to shooting large group portraits without blinkers?

When shooting large group portraits, is there a trick to getting everyone to not blink (other than taking many shots)?
35
votes
7answers
22k views

How do I capture the milky way?

Can the milky way actually be photographed like this? I know the image is manipulated, and is probably a composite, but how do you capture such contrast in the milky way? Is an equitorially mounted ...
35
votes
5answers
15k views

How do I copyright my photographs?

What exactly, if anything, do I need to do in order to copyright my photographs? I have done some research into this topic and find a wide range of answers. Some articles on the web are stating that ...
35
votes
6answers
15k views

How do I use spot metering?

What's the right way to use spot metering? Is it better to use in manual mode than one of the priority modes? There's a question about when to use spot metering, but none that serves as a tutorial to ...
35
votes
8answers
10k views

Can I publish photos taken in public legally?

Who actually owns a photo that is taken in a public place?
35
votes
2answers
9k views

How are SpaceX rocket launches filmed?

In the recent NROL-76 SpaceX launch there are some really spectacular shots of the rocket blasting into the atmosphere and coming back down. For example, at about the 14:17 mark there's a shot of the ...
35
votes
13answers
14k views

Better to buy an older high-level camera or newer entry-level camera?

What are the pros and cons of buying an older higher-level camera if the price is about the same as a new entry-level one?
35
votes
7answers
3k views

Do good lenses really last a lifetime?

I’ve heard people say “a good lens will last a lifetime” many times. Is this actually true of modern lenses? More specifically, will a good lens be usable for a lifetime? With an inexpensive adapter, ...

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