Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [canon]

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

68
votes
14answers
13k 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 ...
48
votes
3answers
387k 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 ...
47
votes
4answers
34k 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 ...
40
votes
9answers
129k 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?
38
votes
16answers
128k 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.
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 ...
34
votes
9answers
43k 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?
30
votes
10answers
28k views

Why there is no image-stabilized Canon 50mm 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 ...
30
votes
1answer
31k 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 ...
29
votes
5answers
3k 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 ...
27
votes
8answers
8k views

Why am I getting a small black patch when I take photos?

I am getting this black spot at the same place every time I am taking a photo. I am looking for an explanation of the issue and a solution to remove the patch. I am a beginner and if needed I can ...
27
votes
7answers
23k 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 ...
27
votes
3answers
158k views

Why do higher end lenses use USM instead of STM?

Canon has a newer type of motor, called STM, which is introduced in lenses like 18-135 f/3.5-5.6 IS STM, 40 f/2.8 STM and so on. STM also provides quick, silent and smooth focusing. Even the focusing ...
24
votes
12answers
8k 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 ...
24
votes
3answers
52k 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?
24
votes
1answer
19k 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. ...
22
votes
7answers
5k 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.
21
votes
4answers
54k 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?
21
votes
1answer
5k views

Is it really better to shoot at full-stop ISOs?

The second half of this answer says Notice that I only shot full-stop ISO which is important with Canon DSLRs because the gain to obtain the 1/3 stops in between is applied in software by the ...
20
votes
3answers
3k views

Canon geometric overexposed quadrilateral shapes in all of my images

I've got a Canon 70D that I bought Summer 2015. I've been shooting time-lapse of the construction of my friends' new house, and today I noticed that there is a weird overexposed shape in all of the ...
20
votes
5answers
2k 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.
20
votes
3answers
23k views

Do different “Picture styles” affect RAW output?

I was reading again the manual of my camera (Canon 50D, but I am sure that each DSLR offer the same kind of functionality, albeit I don't know the exact names adopted) and noticed the issue of Picture ...
20
votes
5answers
24k 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?
19
votes
2answers
5k 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 ...
19
votes
5answers
10k 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.
19
votes
3answers
16k 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 ...
18
votes
5answers
6k 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
7answers
2k views

Lens upgrade paths (sub $1000) for the EF-S 18-55mm IS kit lens for Canon APS-C cameras [closed]

This is somewhat a follow-up to my earlier question on the limitations of the kit lens. I have browsed through quite a lot of sites including this one for user opinions & reviews of different ...
18
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 ...
18
votes
2answers
5k 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.
18
votes
4answers
3k 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
12answers
27k 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 ...
17
votes
7answers
6k 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 ...
17
votes
12answers
8k 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 1....
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
10answers
45k 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 ...
17
votes
2answers
12k views

Why does Canon and Nikon limit or disable autofocus beyond certain f-numbers?

One thing that I've noticed with Canon DSLR camera is they will disable or limit autofocus when the lens' maximum aperture is narrower than certain values, which are specified in my answer to What ...
17
votes
4answers
30k 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, ...
17
votes
7answers
33k 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 ...
17
votes
3answers
51k views

What's the difference between Canon's silent and non-silent shooting?

I'm using a Canon 5D MkIII and I've been exceptionally pleased with the results of the 'new' single/continuous silent shooting functionality. I'd like to know what the difference between silent and ...
17
votes
7answers
73k 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 ...
17
votes
2answers
6k views

My Canon EOS 5D Mark IV is asking if the inserted battery is original or not. What are the implications of my answer?

I bought my Canon 5D Mark II used, and there were two 3rd party batteries included. Recently I got the 5D Mark IV, and I do not want to throw away all the batteries I own. The 3rd party batteries ...
16
votes
10answers
3k views

Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

I'm a hobby photographer. I like taking portraits, which I often do at festivals and conventions. I usually take the following gear: Fujifilm X-T2 (an APS-C sensor mirrorless camera), a 16-55mm f/2.8 (...
16
votes
6answers
6k views

Why is this smartphone picture better than this dedicated camera picture?

The other day I went hiking through a mountain in west Tokyo to take wilderness pictures for reference for the new videogame I'm working on. For the past few years, I've only relied on my smartphone ...
16
votes
9answers
46k 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 ...
16
votes
4answers
35k 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 ...
16
votes
2answers
4k views

Did shooting in burst mode wear out my shutter?

I shoot about 400-500 pictures every day. Many of them are in burst mode. Will this wear out the shutter? I bought a Rebel 1200 D and five months the shutter gave error 30 and had to be repaired. ...
16
votes
7answers
63k views

Can a Nikon/Canon flash be used on the other brand of camera?

I was just thinking about this problem and was wondering if anyone knew if/how to use a competing flash unit (EX or SB series) on a Nikon or Canon (respectively) camera. I would assume a lot of the ...
15
votes
4answers
6k 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 ...