Butterfly

by Rodrigo

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29
votes
3answers
4k views

What does it really mean that telephoto lenses “flatten” scenes?

This is another perspective distortion question. I understand that perspective distortion is primarily a function of capture and viewing distance, but I am still working on fully understanding the ...
16
votes
4answers
3k views

What is a “fast” lens?

I've been reading lots of camera reviews lately and have ran across several references to "fast" lenses. What exactly is a fast lens and what are its advantages compared to other lenses?
22
votes
10answers
2k views

What makes a DSLR better than a Point & Shoot?

Why should I put up with the inconvenience of lugging around a DSLR? They look cool, but is there more substance to it?
18
votes
4answers
2k views

Does the dpi number reported by camera in JPG have any meaning?

I have two cameras, a 6mpix Panasonic FZ8, and 14mpix Canon A2200. When I compare shots from two cameras, one of differences I notice is dpi number that camera reports in JPG info: FZ8 reports ...
18
votes
4answers
2k views

Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?

Suppose you want to store your photos at some lower resolution, let's say about ~1 MB large. You own a camera able to make photos at 5 MPix and more. And, you want to have the maximum quality at the ...
9
votes
3answers
1k views

What features should one look for when selecting a flash?

I have been thinking of getting a flash to improve my low light photography (particularly indoors). However, there seem to be a number of different models available at similar price points (budget of ...
12
votes
5answers
3k views

What is a normal lens?

I've heard people call 50mm lenses "normal lenses". For a lens to be considered normal, does it have to be exactly 50mm or is there some leeway? Does the normal focal length depend on crop factor of ...
33
votes
5answers
4k views

In which situations should I use my circular polarizing filter?

I received a circular polarizing filter as a gift, but I have a hard time determining when I should be using it. I've done river shots with some success, but other than that, it doesn't seem to do ...
31
votes
14answers
24k views

How do Micro 4/3s cameras compare with DSLR cameras?

What are the major (and perhaps more subtle) differences between the newer Micro 4/3s format in comparison to the well-established DSLR cameras? What are the pros and cons of the Micro 4/3s format, ...
22
votes
16answers
2k views

What method is best to take backups of your digital photos?

What method do you recommend to take secure backups of your photos? I have used Carbonite.com for my family photos and videos - it is an online backup - just select folders to backup and the software ...
40
votes
8answers
6k views

Why is the 50mm prime lens the most standard?

Seems that most photographers choose the 50mm as their prime lens (at least from what I've read). I'm looking at getting a prime lens for my Nikon D3000 and the cost difference between the 35mm 1.8 ...
15
votes
8answers
3k views

How to start learning photography?

How to start learning photography?
26
votes
11answers
3k views

What is the best way to clean the sensor on a digital SLR?

I've got a couple of spots of dust on the sensor of my Canon 20D - a rocket blower isn't shifting them, and I'm ridiculously scared of some of the more direct methods for cleaning sensors -- what ...
20
votes
4answers
3k 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?
22
votes
9answers
3k views

How do I choose a polarizer?

It was suggested that I should get myself a polarizer filter to get over my reflection problem. ( How to avoid reflection when taking a picture of a ceramic object with a shiny glaze? ) I found out ...
13
votes
3answers
1k views

What is HDR photography?

What is HDR photography, and when might it be useful?
19
votes
3answers
2k views

Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?

In Understanding Exposure (3rd edition, on page 48), Bryan Peterson has what might be called a rant against modern on-line conventional wisdom about diffraction limits. Answers on this web site are ...
7
votes
8answers
1k views

What macro techniques offer an alternative to expensive optics?

I was wondering what are the alternative macro techniques people use instead of buying expensive macro optics. I know about single lens reverse macro technique; what other alternative techniques allow ...
12
votes
5answers
2k views

How does taking lower-resolution pictures with a higher-resolution sensor affect image quality?

Does taking a picture with 8 megapixel resolution with my Canon IXUS with a 1/2.3" sensor and 12M max resolution provides the same or worse image quality (particular, noise) as if the picture was ...
49
votes
20answers
7k views

Where to get community-based feedback on my photos online?

Where can I post my photos and get reviews, comments, and critiques from the community, in order to learn to become a better photographer? Here is a list of places to get feedback. Please use answer ...
84
votes
15answers
5k views

How can I better organise and file my photos?

At present I meticulously add metadata as EXIF tags to my photos using Microsoft Pro Photo Tools, which also lets me place them accurately on a map. The thing is I tend to leave photos in a folder ...
58
votes
4answers
49k views

What is Rembrandt lighting, and when do I use It?

I often hear studio photographers talk about 'Rembrandt Lighting' when they're setting up lights and doing studio portrait photography. What is Rembrandt Lighting, and when do I use it?
24
votes
4answers
3k views

What tips and advice do you have for photographing the Aurora Borealis?

A friend has been kind enough to lend me a DSLR for a few months. It's my first foray into DSLR photography, or indeed any kind of photography beyond simply aiming my Canon IXUS at something and ...
32
votes
8answers
6k views

Can I publish photos taken in public legally?

Who actually owns a photo that is taken in a public place?
29
votes
5answers
60k views

How many actuations are “too many actuations”?

When looking at used camera bodies, a question that comes up a lot, is "how many shutter actuations, or clicks, does it have?" What I am wondering is, how many is too many. In other words, is there ...
25
votes
9answers
2k views
29
votes
3answers
1k 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 ...
21
votes
4answers
6k views

How do you use a gray card?

There are already two questions on how to make a gray card, but unfortunately my ignorance goes deeper than that. How do you use a gray card?
18
votes
10answers
4k views

What is the 18% gray tone, and how do I make a 18% gray card in Photoshop?

I have heard about 18% gray tone — what is it really, and why 18% (and not 20% or some other value), and how can I make it in Photoshop?
27
votes
8answers
3k views

What is the advantage to back-button autofocus?

I've heard some advanced photographers talk about using back-button autofocus. As I understand it, this involves changing one of the camera's custom setting to engage the AF when a button on the rear ...
17
votes
3answers
2k views

How are virtual tour photos taken?

I am currently working to design a flash virtual tour, but I know little about how the photographs are taken. Ideally I'd like to be able to take a set of 6 shots from a single focal point, and be ...
36
votes
4answers
2k views

Should I get DX for my APS-C camera, or FX lenses in case I upgrade to full-frame in the future?

I recently bought a Nikon D90 camera body, which has a "DX" APS-C-sized sensor.. Within the same budget, should I go with DX lenses or should I get full frame lenses in case I upgrade to a full frame ...
21
votes
5answers
3k views

What is exposure compensation?

What does exposure compensation do? If I take a photo with a given shutter speed, aperature, and ISO, and then take the same shot with +1EV or -1EV, what is actually happening? Is this just a gain ...
16
votes
6answers
10k views

Why can't I get a decent white background with product photgraphy?

I'm a new photographer, and I'm trying to take photos of a product with a pure white background (#ffffff). I'm using a light box (something like this one), so my lighting should be solid. But I ...
14
votes
2answers
15k views

What does DPI mean?

What does DPI mean and how does it affect images displayed on screen versus printed?
11
votes
2answers
1k views

What software shows the most accurate version of a photograph for web viewing?

I have a photo (photo_A.jpg), taken on a post-sunset beach, for which I want to reduce some noise. I do so using the luminance noise reduction technique from Adobe Camera Raw, open the image in ...
20
votes
5answers
1k views

What exactly is flash sync speed, and should it be a factor in a buying decision?

What exactly is flash sync speed and should it be a factor in a buying decision?
13
votes
7answers
2k views

What are my best options for a tripod for up to $100?

I'm looking to buy a tripod + head (for my Canon 40D), but am not sure if I want to spend more than $100 on it. So can you suggest options for best tripods for $100 or less? Or, is it important to ...
10
votes
4answers
1k views

How to choose the correct exposure?

I have a Canon 60D that I use for my primary hobby that is photography, but sometimes the pictures that I took are with the incorrect exposure like this: So I want to know how I can choose the ...
1
vote
3answers
5k views

How can this brightly colored yet gentle pastel-color effect be achieved?

I found this image on http://unsplash.com/ and quite a few have this vivid yet pastel effect. Can it be achieved in Photoshop or Lightroom?
1
vote
2answers
5k views

Canon 75-300mm f4-5.6 USM or 55-250mm f4-5.6 IS lens?

I am getting a deal on a Canon T3 cam with 18-55mm kit lens and I have choice of one extra lens: 75-300mm f4-5.6 and 55-250mm f4-5.6. I generally like to shoot street, abstract and nature photos and ...
41
votes
15answers
3k views

Can anyone suggest books/resources on the artistic side of photography?

I am a relatively new photographer. I have no problem understanding the technical side of photography (I am an engineer by trade), but I do struggle with the more 'artistic' side of photography ...
30
votes
6answers
15k 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 ...
44
votes
32answers
17k views

What are the best sites to share photo galleries with friends?

Which sites do you use for sharing photos with family and friends?
47
votes
4answers
4k views

What is Ansel Adams' “Zone System”?

I've heard much of Ansel Adams' Zone system, but I've never quite understood it. What is it, how and where is it used, and is it still useful with modern (digital) cameras? Thanks!
40
votes
4answers
15k views

What apertures are required to enable autofocus, including cross-type or high-precision focusing, on Canon DSLR cameras?

This is a follow-up to Why does Canon and Nikon limit or disable autofocus beyond certain f-numbers? I'm doing this to separate the AF aperture requirements from the linked question above. My goal ...
38
votes
13answers
4k views

What are the must-have filters for a new photographer?

What filters are good and why?
30
votes
4answers
7k views

What software can show my most frequently used focal length?

Many people recommend a focal length of 35mm, 50mm, and sometimes even 85mm and upwards for those interested in purchasing a prime lens. I, however, would like to figure out what focal length(s) I use ...
26
votes
12answers
4k views

How do you make the most stunning sunrise and sunset photos?

I've been lucky on a few occasions, but I often struggle with capturing awesome sunsets. What can I do to remove the element of luck and get more consistent results? Additionally, is it possible to ...
24
votes
3answers
19k views

What is the “Rule of 600” in astrophotography?

This question mentions the "Rule of 600" for avoiding star-trails in astrophotography. What is this rule? How was it derived? How should it be applied?

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