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

learn more… | top users | synonyms (2)

2
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1answer
61 views

What is good software for printing with a Cannon PIXMA PRO 100?

I have a PIXMA PRO 100, and the print quality is absolutely great. But the software that came with the printer to actually make the prints is terrible -- it lacks some very basic print options which ...
2
votes
2answers
50 views

Can I control three YN600ex-rt flash units from one controller on the camera?

Just replaced my 600D with 70D canon and I am about to buy four units of the new YN600ex-rt and I wanted to know if I can use one yn600 on camera as master to control another three flashes to fire ...
5
votes
1answer
6k views

What do the different Canon DSLR image size settings mean?

When setting image quality in my Canon EOS 1200d dSLR there are two options for the L, M and S1 size. What is the difference betwen these settings (I couldn't find it in camera documentation) ?
1
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3answers
437 views

Why does my Sigma lens make a high-pitched ringing noise on my Canon camera?

I have a Canon EOS T3i 600D. When I use a Canon-branded lens (18-55mm), the camera works well. When I change to the Sigma macro 18-250mm and turn the camera on, I can hear a ringing noise, like ...
4
votes
2answers
714 views

Alternative to EOS Remote app for 6D?

Has anyone found an alternative app for iPhone/iOS that supports the 6D/70D over internal Wi-Fi? I have been vastly disappointed with Canon's EOS Remote and was curious if anyone has found an ...
-1
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0answers
131 views

What lens should I use for astrophotography?

I am looking for a lens for my Canon 550D for astrophotography. What lens would be suitable for it? Thank you
1
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2answers
171 views

How to sync Yongnuo 568 EX ii flash with Nikon and have ETTL and high speed sync?

I know you can signal the flashes with the built in flash on the Nikon D750, but I was wondering if there is any other options, I hate to blind my clients with the built in flash all the time!
3
votes
3answers
3k views

Does the Canon EOS Rebel T5/1200D have any dust related problems?

I’m planning on purchasing the Canon EOS Rebel T5/1200D very soon. It’s the only DSLR that fits my budget (other one is the Nikon D3100 which I don't plan to get). I like everything about the camera ...
2
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1answer
206 views

Real world Dynamic Range

I am confused with the science of electronics, regarding cameras and sensors. I have read the posts and answers here and elsewhere. All I walk away with is the electronic specs of cameras and sensors. ...
0
votes
1answer
102 views

Can I shoot video with a Canon Rebel XT/350D?

Hello I've been borrowing this camera from a friend because I'm on holiday and they're working. I think it's called a Canon Digital EOS Rebel XT. Does it film video? I've gone through all the modes ...
0
votes
4answers
5k views

Why is my Canon T3i stuck saving to internal memory instead of the memory card?

My T3i just stopped saving to the memory card and is saving to the internal memory. I have replaced the card in case it was corrupt and I have blown out the slot in the camera where it fits. Is ...
0
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2answers
45 views

Can a third-party flash made for Canon be used on a Contax G1?

Is it feasibly possible to attach a third party Flash made for Canon on a Contax G1?
1
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1answer
104 views

Zoom issue with Canon 24-105 f4 L

My 24-105 works perfectly from 40-105 but will not go to 24mm on the zoom and to macro on focus, any ideas please? The zoom ring sticks at about 40mm.
3
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4answers
79 views

Difference between an average “grey” using AV and Manual Modes on Canon 5D Mark II

I have a Canon 5D Mark II. I notice that using AV or TV mode that the meter sets itself to an "average" grey automatically smack in the middle. But using Manual mode, it fluctuates alot no ...
14
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6answers
7k 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 ...
1
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1answer
66 views

How to get fixed/consistent exposure for a series of shots using remote trigger?

A friend recently asked for my help to take a series of photos that he could use to create a time lapse effect. For context, it was of him preparing a cocktail for a talk he was giving. Couple of ...
42
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4answers
22k 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 ...
1
vote
1answer
71 views

Can't duplicate Auto results in M, Tv, and Av Canon 70D

I've been a an amateur photographer for several years. I understand the technical side and enjoy explaining it to others. But...with my 70d, which I've owned for over a year, when I take an indoor ...
2
votes
1answer
124 views

Canon 5D Mark III or 6D & 70D combo? [on hold]

I am a non-newbie photographer but wanna-be professional photographer. Going through my options for cameras, I found that a Canon 6D & 70D combo could serve my purposes, but a Canon 5D Mark III ...
4
votes
1answer
148 views

Can removing the lens while pressing the DoF preview button damage the equipment?

I know there's hardly any risk to your equipment when dismounting the lens while the camera is on, but can you damage it if you dismount the lens while the aperture is closed down? With the Canon EOS ...
5
votes
1answer
585 views

What is this large white Canon telephoto lens in a 1990 magazine ad for the EOS 1?

I am trying to identify this Canon Telephoto Lens seen on an ad at the back of an old copy of National geographic from Feb. 1990: I have tried to look for it on Google, but I can't find one that is ...
0
votes
1answer
128 views

improve clarity of my picture [duplicate]

I use Manual Focus to take pictures. I find picture to be of high quality(clarity) when i see the picture in the camera screen. But if i import the picture to my PC it becomes blurry and not that ...
0
votes
1answer
63 views

What might cause a Speedlight 380EX to stop syncing correctly?

I have a Canon Speedlight 380EX and some time ago it stopped syncing correctly. Every photo I take comes out dark as if the flash didn't fire. The flash fires, the IR assist beam works as intended and ...
1
vote
2answers
80 views

Is there a datasheet for the Canon 24-105mm diaphragm unit?

Does anyone know if a datasheet is available for the Canon 24-105mm diaphragm unit? I'm wondering if there's a way to use an Arduino or suchlike to control the diaphragm via the flex cable, but I ...
1
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2answers
355 views

Does anyone have any information on Canon's VL mount regarding pinout and protocol?

I currently have a canon cl 8-120mm f/1.4-2.1 lens which uses the VL mount. Canon's goal appeared to have been to make this a standard system similar to the Micro Four Thirds system. See ...
2
votes
1answer
67 views

How do I get actual (vs. reported) Bulb mode exposure times on my Canon 1200D?

When shooting in Bulb mode using my Canon 1200D, I've noticed that the metadata appears to only contain 1" increments for the exposure time. For example, regardless of whether I hold the exposure ...
1
vote
2answers
48 views

What “Reverse Ring” specs (size..etc) for my Canon 600d for Macro Photography?

I have these three lenses, and I wonder which one of them is the best to be used with "reverse ring" for Macro Photography? Camera: Canon EoS 600d Lenses: 18-55mm, 50mm, 50-250mm
1
vote
1answer
171 views

Why won't my Quantaray teleconverter, which fits my EOS3, mount on my Canon 60D?

I have a Quantary teleconverter that I can use on my Canon EOS3 film camera but it will not attach to my 60D body but it attaches to all my other Canon Lenses. I don't want to force it. It seems like ...
0
votes
1answer
66 views

Canon 1100D auto focus issues

I'm having a rather odd issue with my Canon 1100D, whenever looking through the viewfinder to take pictures the auto focus will not work. I am unable to release the shutter, the same goes for manual ...
0
votes
2answers
61 views

Can Canon DPP 4 put a watermark on a photo?

I recently downloaded Canon's DPP (Digital Photo Professional) 4. After the new UI improvements, and better algorithms that are incorporated into the new DPP 4, I thought I would give it a try and ...
-1
votes
3answers
152 views

Will L glass lenses compared to what I have upgrade my overall Image Quality?

I currently shoot with a Canon T5i and plan on upgrading to either a 6D or 7D Mark II (another topic). To go with my new body, I want a new lens. I currently have the following: 10-18mm f4.5-5.6 IS ...
1
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0answers
48 views

Canon vs Sigma vs Tamron lenses? [duplicate]

Is there a significant quality difference between lenses made by Canon and those made by Sigma or Tamron? Specifically, I have been looking at the EF 300mm f/2.8L IS II USM: but if the Sigma or ...
0
votes
1answer
51 views

How can I wirelessly control my Canon 580ex II?

I want to add wireless control to my current flash system. I have a Yongnuo 560 (that I'm okay with not using) and a Canon 580exII that I'd really like to keep in the system. I've been using Cactus ...
1
vote
1answer
156 views

Canon 55-250, Rebel/XS, fails on *manual* focus?

I realize this is rather old hardware, at least as digital goes, but I'm hoping to hand it down to a friend as a starter kit. Every once in a while, my Digital Rebel XS will refuse to take a shot ...
1
vote
3answers
247 views

What is the sweet spot of the Canon's 18-55mm IS STM lens?

I'm plannning to photograph negative film like this. And I would like to know what would be the sweet spot of my lens to achieve best sharpness possible, what f stop and at what mm I should be ...
0
votes
4answers
11k views

Canon Rebel XS will not take pictures in AF mode

Recently started having this problem with my Rebel. It's about 4 years old. If it is in AF mode, I will put the button down halfway (like always) to focus, but it will not take an actual picture. It ...
0
votes
2answers
200 views

Can I use a Yongnuo YN-600EX-RT flash on a Sony Alpha DSLT?

I'm planning to change my kit and move to Sony SLT system (I have special, personal reasons). I currently own the above mentioned flash. I would like to know how I possibly could use it on a Sony SLT ...
3
votes
5answers
7k views

Can I get longer than 15 second exposure with my canon SX 50?

I am new to photography and I was hoping to go take some pictures of star trails this weekend. I just bought this camera this week and I realized that the highest shutter speed is 15 seconds. Is there ...
2
votes
1answer
617 views

What can cause massive overexposure on a Canon IXUS when zooming in?

I have been using Canon IXUS 130 for some years and it has been giving decent good photos and videos. Strangely, few days ago, whenever I use the telephoto zoom and take a picture, the picture is ...
0
votes
2answers
103 views

Which studio strobes are compatible with the Yongnuo YN-622C?

I currently have 2 pairs of Yongnuo YN-622C Wireless TTL Flash Triggers for Canon. I'd like to use them to wirelessly trigger studio strobes and I'm wondering if anyone knows the compatibility of the ...
0
votes
1answer
102 views

Lens Focus Issues

I have been having focus issues with a Canon EF 24-70mm f/4L IS USM lens. It seems that it is unable to focus at infinity (or close to it)for most of the range between the wide and telephoto ends ...
0
votes
1answer
135 views

Why is my Canon Powershot SX500 IS displaying images with negative colouration?

Camera suddenly has negative colouration although not on a negative setting. Nothing to do with the LCD screen as previous photos are displayed in correct colour. Presume it is the lens but am really ...
13
votes
3answers
11k 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 ...
1
vote
1answer
160 views

Difference between Canon 18-135mm lenses

What is the difference between these two Canon lenses? Canon EF-S 18-135mm f/3.5-5.6 IS STM Canon EF-S 18-135mm f/3.5-5.6 IS
3
votes
2answers
87 views

How can I tether multiple Canon cameras over wifi to one computer?

We do event photography coverage also. so we have to do instant printing. normally we do removing camera's chips and copy pictures and print it. That is very difficult thing and time wasting. So I ...
3
votes
2answers
497 views

How can I control a DSLR camera programmatically over Wi-Fi? [closed]

I'm a programmer and writing an application in C# (Windows 7) which should take pictures (and also download them) via Wi-Fi. I can't use USB because the camera is about 50 meters away and mounted at a ...
0
votes
1answer
196 views

Why did my Canon 1000D stop working in full auto mode, when it still works in P, Av, etc.?

It's my 7th day with my second hand Canon 1000D. But now, it's stopped capturing pictures in full auto, portrait, close-up, landscape, night portrait, sports, and flash off modes when used in ...
6
votes
2answers
3k views

Does my Canon 24-105mm have an issue with IS?

I have a Canon EF 24-105mm f/4L IS USM. After using this lens for a day or so, I have noticed a problem with the image stabilizer. It works fine with slow shutter speeds at F/4, but causes a lot of ...
4
votes
3answers
231 views

How can I connect multiple Canon dSLRs in parallel to a computer?

I want to connect a couple of Canon cameras with my computer in such a way that a single click both captures images and stores them on the computer. I am trying the same in c#. Actually, I have ...
0
votes
0answers
24 views

Geotagging Images - GoPro & Canon 5D Mark III [duplicate]

I've been looking through the info, posts, etc on geotagging as I'm trying to understand this more for a project. I just wanted to see if you all could provide some advice. I'll be using a Canon 5D ...