Highest scored 'eos' questions

70 votes

14 answers

15k 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 ...

Billy ONeal

3,350

asked Jun 5, 2011 at 22:18

49 votes

5 answers

40k 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 ...

bwDraco

5,946

asked Oct 15, 2011 at 2:25

49 votes

3 answers

396k 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 ...

dpollitt

46.6k

asked Jun 7, 2012 at 17:07

43 votes

9 answers

132k 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?

CodeToGlory

2,291

asked Jul 16, 2010 at 0:00

41 votes

16 answers

149k 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.

Omar Kooheji

1,035

asked Dec 15, 2010 at 14:58

38 votes

6 answers

11k 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 ...

user94771

381

asked Aug 26, 2020 at 16:28

36 votes

10 answers

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 ...

Nathan W

463

asked Jul 15, 2010 at 23:09

36 votes

9 answers

74k 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?

Lazer

4,059

asked Jul 18, 2010 at 9:47

34 votes

3 answers

195k 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 ...

rcs

1,095

asked Jan 8, 2015 at 0:13

32 votes

1 answer

38k 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 ...

Imre

32k

asked Oct 23, 2011 at 21:52

30 votes

10 answers

42k 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 ...

mixdev

637

asked Feb 1, 2011 at 17:57

30 votes

5 answers

4k 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 ...

Gregor Müllegger

744

asked Sep 18, 2010 at 18:47

29 votes

7 answers

26k 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 ...

Tanmay

425

asked Sep 4, 2014 at 8:28

27 votes

8 answers

22k 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 ...

Vishal Lohar

289

asked Nov 7, 2018 at 8:56

27 votes

1 answer

7k 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 ...

user6189

asked Oct 27, 2013 at 22:12

26 votes

7 answers

10k 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.

Ifi

959

asked Oct 18, 2010 at 17:16

25 votes

3 answers

55k 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?

Ken

5,098

asked Jan 16, 2011 at 12:30

25 votes

1 answer

29k 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. ...

Andres

5,044

asked Jun 10, 2011 at 18:21

24 votes

13 answers

9k 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 ...

jrista

70.8k

asked Oct 29, 2010 at 5:49

23 votes

5 answers

4k 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.

Sunny Reborn Pony

559

asked Oct 24, 2013 at 6:56

23 votes

4 answers

66k 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?

ysap

11.2k

asked May 6, 2011 at 19:39

22 votes

3 answers

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 ...

ironoxidey

323

asked Feb 1, 2017 at 19:17

21 votes

2 answers

6k 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 ...

jp89

2,571

asked Feb 11, 2012 at 5:27

21 votes

3 answers

28k 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 ...

Francesco

4,079

asked Jun 21, 2011 at 4:54

21 votes

4 answers

18k 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 ...

dpollitt

46.6k

asked Oct 18, 2011 at 18:42

20 votes

6 answers

5k views

How do I make my photos have more impact?

I'm a new photographer and so I decided to start out with a relatively cheap, easy to use DSLR: the canon rebel t6 (EOS 1300D). With the camera, I also have the standard 18-55 and 75-300 mm lenses; ...

Ilham

343

asked Jul 30, 2019 at 6:58

20 votes

5 answers

30k 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?

Andres

5,044

asked May 18, 2011 at 19:11

19 votes

10 answers

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 (...

Belle

1,604

asked Mar 26, 2018 at 9:57

19 votes

5 answers

11k 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.

Elfudge

195

asked Feb 10, 2011 at 14:03

19 votes

3 answers

63k 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 ...

NULLZ

2,546

asked May 6, 2013 at 0:56

19 votes

4 answers

14k 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 ...

Chris

971

asked Mar 1, 2017 at 21:42

18 votes

7 answers

13k 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 ...

Panda Pajama

305

asked Jun 23, 2018 at 2:49

18 votes

5 answers

7k 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 ...

Paul Cezanne

6,468

asked Dec 17, 2012 at 14:08

18 votes

11 answers

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 ...

Nathan Campos

619

asked Jan 31, 2011 at 2:39

18 votes

2 answers

14k 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 ...

bwDraco

5,946

asked Oct 8, 2011 at 3:08

18 votes

5 answers

9k views

Is a Canon EOS 50D a viable starting point for a photographer in 2020? [closed]

I found an old Canon EOS 50D of my father. There aren't any lenses at all for this camera, but I am wondering if this body is still good for investing money for buying lenses for it. In my company I ...

Romuald Kicky

335

asked Jan 26, 2020 at 16:00

18 votes

7 answers

87k 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 ...

newfie_coder

1,317

asked Nov 2, 2010 at 14:06

18 votes

2 answers

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 ...

john

577

asked Jun 1, 2011 at 23:10

18 votes

7 answers

79k 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 ...

WireGuy

1,499

asked Jul 16, 2010 at 0:34

18 votes

4 answers

4k 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 ...

speshak

537

asked May 16, 2011 at 20:34

17 votes

7 answers

7k 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 ...

Abhi

792

asked Dec 2, 2011 at 11:44

17 votes

9 answers

54k 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 ...

dpollitt

46.6k

asked May 29, 2011 at 20:42

17 votes

12 answers

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....

midas06

289

asked Jul 22, 2010 at 19:35

17 votes

3 answers

5k views

How can I make the milky way more apparent in my photos?

I was using 6400 ISO with a f2.8, 28 mill lens with a .46 adaptor on a canon m50 for about 15" for this photo. I tried a 1.8 50 mill, 28 mill w/o adaptor, longer exposure, shorter exposure, ...

BJ Miller

171

asked Sep 17, 2023 at 17:50

17 votes

4 answers

31k 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, ...

user3825

asked Feb 11, 2011 at 18:33

17 votes

4 answers

47k 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 ...

lindon fox

273

asked Aug 18, 2010 at 12:31

17 votes

2 answers

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. ...

Sam Walker

171

asked Jun 7, 2016 at 12:13

17 votes

6 answers

3k 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 ...

ab.aditya

4,665

asked Feb 10, 2011 at 12:09

17 votes

9 answers

382k views

What should I do about Canon PowerShot "Lens error, restart camera"?

I've had a Canon PowerShot A1100 IS camera for almost a year now. About a week ago, I went on a trip, took pictures the whole trip, everything was ok. When I got home, and tried to turn the camera ...

Yochai Timmer

273

asked May 6, 2011 at 13:17

17 votes

2 answers

9k 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.

reuscam

3,054

asked Jul 16, 2010 at 17:30

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