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Canon Inc. is a prominent manufacturer of cameras and lenses including EOS DSLRs and PowerShot compact cameras.

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46
votes
13answers
10k views

Is there any significant difference between Nikon and Canon?

I'm considering purchasing a DSLR for the first time here in the next couple of months. The two "big boys" seem to be Canon and Nikon. I've looked at both companies, and I can't really see significant ...
37
votes
4answers
13k 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 ...
32
votes
10answers
2k 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 ...
31
votes
3answers
185k views

What does STM mean on a Canon lens?

The Canon EF 40mm f/2.8 has a designation of STM on the lens. What does this mean? What are the advantages of having it and does it replace an older technology? We have a terminology thread that ...
29
votes
9answers
61k views

What is the difference between EF and EF-S lenses?

This is specific to Canon, but what is the difference between EF and EF-S lenses?
26
votes
8answers
10k 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?
24
votes
5answers
2k views

What are the most notable differences between Canon and Nikon lenses?

I'm currently considering to buy one of the next generation enthusiast DSLRs. Either a Canon EOS 60D or the slightly more expensive Nikon D7000. I'm quite new to the SLR discussion but I know there ...
24
votes
1answer
10k views

What are the differences between E-TTL, i-TTL, and P-TTL?

Canon, Nikon and Pentax each have their own TTL flash metering systems, respectively E-TTL, i-TTL, and P-TTL. They all use a weak preflash that is metered and used to calculate flash power level ...
23
votes
10answers
17k views

How to take great night shots?

I have Canon Rebel XS (EF-S 18-55mm f/3.5-5.6 IS Autofocus Lens). I have been trying to take decent night photographs for a while. But it seems to take a lot of effort. Can we take good night shots ...
22
votes
10answers
6k views

Canon 50mm lens: f/1.2 L or f/1.4? Alternative brands?

I am in the market for a 50mm lens for my Canon DSLR. I've read plenty of reviews, and all of them have great things to say about both lenses. From a scientific perspective, the f/1.2 performs better ...
21
votes
14answers
21k views

How do I get a stuck screw filter off of my lens?

There is a UV-filter screwed on my Canon 16-35mm. For some reason, I'm not able to get it off the lens. Does anyone has a simple but safe trick?
20
votes
7answers
9k views

Why there is no Canon 50mm *IS* lens?

Canon's 50mm prime lenses are all non-IS (Image Stabilization) for some reason. Considering the popularity of these range primes, shouldn't Canon be interested in shipping a new, optically improved IS ...
19
votes
6answers
4k views

Which lens serves best as the only lens on a cropped body for a beginner: the 40mm f2.8 or 50mm f1.8?

I'm planning on giving my college age daughter my Canon 40D sometime soon. (Not Christmas, but the Christmas sales are getting me thinking). She has a point and shoot and turn out pretty amazing work ...
18
votes
5answers
2k views

Is it worth it to have the 50mm f/1.8 Canon lens?

Is it really useful to have a fast prime lens for portrait photography, considering a low budget? If it is, what about the Canon EF 50mm F1.8 II? I have an entry level 18-55mm lens and a Canon 20D. ...
18
votes
5answers
918 views

Why do two lenses with the same F-number give different amount of light?

Why do the following two lenses provide different amount of light? In both images we have fixed focusing distance, distance to the object, ISO, shutter speed and F-number.
18
votes
3answers
18k views

What is the difference between Canon “L” lenses and non-L lenses?

The Canon L lenses are much more expensive and presumably much better quality than non-L lenses. What makes an "L" lens? How much better are they over a similar length/speed "ordinary" canon lenses?
18
votes
4answers
2k views

What does the dot on some zoom lens scales mean?

I noticed on my Canon 18-55mm kit lens there is a dot on the zoom scale between 24 & 35mm (though skewed very much towards 24mm). This position appears to be the spot where the lens is physically ...
17
votes
10answers
48k views

Is there good free software for editing Canon RAW files?

I've lost the install disks that came with my 500D and I was wondering if there was any better software for editing Canon RAW files. I Had a quick skim of the Canon website and couldn't find anything. ...
17
votes
12answers
7k views

What is the best Canon lens (around $500) for taking pictures of my newborn?

I have a Canon T2i, a 50mm f/1.8 and the kit lens (18-55mm). I'm considering buying a new lens for more flexibility with taking pictures of my upcoming newborn. I LOVE the 50mm/1.8 lens, but on the ...
17
votes
11answers
7k views

What is the best lens for taking photos of birds?

I was using a Panasonic Lumix, now I finally got a Canon EOS 60D, but I was used to that 18x zoom that my old camera has, because you can't get too close from the birds to take pictures, since they ...
17
votes
4answers
16k views

What is the difference between Canon's black inks?

My Canon MP560 printer requires one PGI-220BK black cartridge and one CLI-221BK black cartridge (which is a part of a CMYK bunch). What is the difference between the two?
17
votes
2answers
3k views

What will happen if I install the Magic Lantern firmware on my Canon 550D?

I have a Canon 550D, which I just start learning how to use. I have read that the Magic Lantern firmware makes the camera better in movie recording. Does Magic Lantern firmware dramatically change ...
17
votes
7answers
46k views

How can I see the number of shutter actuations for my Canon EOS 350D?

I have a Canon Digital Rebel XT (otherwise known as the EOS 350D). I'd like to find the number of shutter actuations. I have tried ExifTool, and the ShutterCount is not part Exif information for a ...
16
votes
4answers
24k views

What are the key differences between the Canon 60D and Canon 600D?

What are the key differences between the Canon 60D and Canon 600D? I know the size is different and they are constructed of different materials, but in technical specifications and image quality, ...
16
votes
4answers
4k views

Are Nikon DSLR sensors actually better than Canon's?

I've been a happy Canon user for a while. When I was doing my initial research on what brand to buy several years ago, I came to the conclusion that both Nikon and Canon are equally good (which I ...
16
votes
2answers
4k views

Why do some professional cameras have dual memory card slots?

I have noticed that some cameras such as the Nikon D300s, Canon EOS 1D Mark IV, or Pentax 645D have dual memory card slots. What is the purpose of having multiple memory card slots and why would you ...
16
votes
5answers
8k views

What is “Highlight Tone Priority”?

This seems to be available in most of recent Canon cameras. I am curious how it works, and how it is different from the Auto Lighting Optimizer. Is it a useful function?
16
votes
3answers
6k views

Does the selection of sRGB or Adobe RGB in camera when shooting RAW ever matter?

In talking to a colleague of mine yesterday, we got onto the subject of color spaces in digital photography. He's a Nikon buff, I use Canon (specifically, an EOS 50D); I don't know if that is relevant ...
16
votes
1answer
7k views

What is the function of the MISC folder on my memory card?

In all the Canon cameras that I have/had, after every session a MISC folder was created, besides the normal DCIM folder. This folder was always empty and the camera didn't bother if I deleted it. ...
16
votes
2answers
2k views

How do I clean the inside of my viewfinder?

My viewfinder (not LCD) has spots of dust on it. What is the best way to clean the inside? I have cleaned the outside with a QTip.
15
votes
10answers
16k views

What's wrong with the Canon EF-S 15-85mm?

Maybe this question should be on meta. I've just come across the Canon EF-S 15-85mm. It's been available since 2009. I'm just wondering why it has never been mentioned on photo_se_com or any of the ...
15
votes
7answers
2k views

What are the real-world differences between Canon, Sigma and other third-party 70-200 f/2.8 lenses?

I'm getting started with wedding photography, and was looking for a fast telephoto zoom to compliment my Tamron 17-50 f/2.8 (on a Canon 500D/T1i). After extensive online research, the 70-200 f/2.8 ...
15
votes
4answers
2k views

Difference between a Canon and a Nikon crop sensor

Most, if not, all Nikon have a crop factor of 1.5, while a Canon has 1.6, does this mean that Nikons are closer to a full-frame, in terms of having a bigger sensor and all the benefits that comes with ...
15
votes
4answers
2k views

What should someone know when switching from Canon to Nikon?

I'm starting the switch from Canon to Nikon. Having used Canon gear for 10 years I'm pretty familiar with their system. As I move to Nikon, what things should I know that are different and would be ...
15
votes
3answers
734 views

Is it possible to hack other brands of cameras in a manner similar to Canon cameras?

Some Canon cameras can be hacked with a tool called the Canon Hack Development Kit (http://chdk.wikia.com), which does interesting things like add manual controls and allow scripting. Do similar tools ...
14
votes
10answers
29k views

Cheap/free tool to view/convert Canon CR2 RAW format photo files on Windows?

Recently, my family had some professional photos taken while vacationing at a resort. The photos were given to us on CD in both .CR2 and .jpg formats. While we can view the JPEG-format versions of ...
14
votes
7answers
869 views

Upgrade strategy for Canon EOS DSLRs

In February 2010 I bought my first DSLR: EOS Rebel XSi EF-S 18-55IS Kit I also bought a zoom telephoto lens: Canon EF 70-300mm f/4-5.6 IS USM The XSi is a simple camera which I thought would be good ...
14
votes
2answers
2k views

Why are cine lenses so much more expensive?

For example, compare a cine lens like the Zeiss Compact Prime CP.2 50mm/T2.1 ($3,900) to a high-end DSLR lens like the Canon 50mm f/1.2L ($1418). Both are EF-mount, have the same focal length, and it ...
14
votes
5answers
4k views

What's the difference between the Canon and Nikon lenses mounts?

I was wondering what, if any, are the technical differences between the two mounting systems. Does one auto focus faster? Can one hold more weight? Things along those lines that make them different. ...
14
votes
5answers
2k views

Should I go 5D Mark II or 7D?

Today I own a Digital Rebel XSi and the only EF-S lens I have are those that came in the kit. I've been reading a lot trying to decide for my next body, but oh boy, what a tough decision! I'm ...
14
votes
11answers
3k views

Getting ready to buy an entry-level Canon dSLR — should I skip the kit lens? [duplicate]

Possible Duplicate: Should I buy a camera with kit lens, or body plus lens separately? My wife and I are amateur photographers and we are upgrading from a Canon 20D. We will be using the ...
14
votes
2answers
459 views

What are the advantages of the Canon 580EX II over the 430EX II?

I want to purchase a Speedlite for my Canon DSLR, but am curious to whether I need to spend the extra dollars to get the top of the line 580EX II over the more affordable 430EX II. What are the ...
13
votes
6answers
2k views

What should I do to switch my gear from Sony to Canon?

So I currently have a Sony A700 which i bought a year ago, and wanting to get some quality glass. I was looking at the Carl Zeiss 24-70/f2.8 lens, but then got talking to a friend who's a canon user. ...
13
votes
5answers
3k views

What gear do I need to shoot underwater with my Canon T2i?

I have a Canon T2i 18-55 setup. I was wondering what all equipment might I be needing to shoot underwater photos with this camera. Is it possible to shoot underwater photos with these normal cameras ...
13
votes
4answers
9k views

What is a 200mm lens good for?

I just found that there is a 200mm lens at my school. It is a Canon with Image Stabiliser (with red detail). It is old, at least 10 years. It has been great playing around with it, but I really don't ...
13
votes
7answers
9k views

What are the biggest pros & cons of the Canon 6D vs 5D mark II

I'm using the 50D at the moment and trying to enter the full frame digital world. I'm not considering the 5D mark 3 because it's out of budget, and no Nikons as I have a lens collection already in EF ...
13
votes
5answers
3k views

Is it worth it to buy an FD-EOS adapter, or is it better to exchange a misbought lens?

I recently bought a manual-focus (since manual doesn't bother me) 100mm prime macro lens. However, I didn't notice at the time of purchase that it was an FD lens. (I'm a hobbyist; I didn't know Canon ...
13
votes
4answers
679 views

Does Canon make an L series lens with a plastic lens mount?

An online retailer is telling me that Canon 24-105 f4L lens comes in two versions, the USA model with a steel lens mount and an import with a plastic lens mount. Is this true?
13
votes
7answers
19k views

Should I use a 100mm Macro lens as a portrait lens?

I am specifically considering using the Canon 100mm Macro as a portrait lens. If I want to have a macro in my bag, but not carry around a 70-200 2.8 due to weight, size, white color, or price if it ...
13
votes
2answers
1k views

How can I reverse-mount a Canon F/1.4 50 mm for macro photography?

I'd like to experiment with mounting my Canon F/1.4 50 mm lens backwards to experiment with macro photography (on a Rebel Xti). What kind of gear do I need, and how do I go about it?