Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

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

learn more… | top users | synonyms (2)

2
votes
1answer
80 views

Canon APS-C maximum sensor size

Given that Canon APS-C cameras differ in sensor size (e.g. 70D has a 22,5 x 15,0 mm and 700D has 22,3 x 14,9) is it possible for future models to switch from a 1,6 to 1,5 factor like Nikon crop ...
0
votes
1answer
19 views

Controlling 4 Yongnuo flashes with a cable?

I am using 4 568EX II flash guns with 4 YN622C wireless flash triggers connected to the guns. I then control all with my YN622C-TX. Can I wire all the flash guns together with a cable and only use ...
0
votes
1answer
34 views

New Canon T6i vs used 5D2 or 1Ds3 [duplicate]

The title pretty much states my question here. I've held a T6i (very smooth feeling, good autofocus) and a 5D2 (definitely higher build quality, a full-frame which I would prefer). Never held a 1Ds3 ...
1
vote
1answer
237 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
27 views

Canon powerpoint sx240HS usb port broken

Yesterday I tried to download some photographs from my camera via the usb port only to find that the usb port was broken(no problem) so I downloaded the photos from a card reader. However this morning ...
1
vote
2answers
161 views

CANON EOS 70D: In Manual mode, shutter speed is changing when i adjust the exposure level

My canon eos 70d, in manual mode the shutter speed is changing when i adjust the exposure level. How to fix this? please help.
4
votes
4answers
426 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 ...
-2
votes
0answers
36 views

Wanted to buy Tamron lens 16-270mm or 18-270 mm? [on hold]

I am Pratibha, I am having Canon 600D with 18-55 & 55-250. Every time I have to change the lens and I missed many shots.I wanted to make it only one lens. So I am thinking about Tamron 16-270 or ...
0
votes
1answer
48 views

Broken photos on dslr [duplicate]

During the last session with my Canon 50D, 4 or 5 photos from 180 appeared to be with artifacts: Fullsize 15Mb Fullsize 7Mb These photos were already broken in preview on camera display, so it ...
1
vote
1answer
191 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 ...
0
votes
4answers
13k 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 ...
2
votes
0answers
43 views

Duration of Canon DSLR pop-up flash?

There is quite a bit of data online for external flash/speedlight durations, but I've never seen any data for the built-in flash. Has anyone ever tried measuring the duration of a pop-up flash at ...
3
votes
1answer
260 views

Why isn't the LCD display on my Canon 750D flipping when I rotate it?

I'm kind of new to this so sorry if this is kind of a basic question. I have a Canon EOS 750D which has been working just fine. However today when I was going to shoot when I flip the screen around ...
1
vote
2answers
104 views

Will a 7D II with a 100-400 I and 1.4X I Teleconverter show up in Lightroom

I'm looking at buying a 1.4X Mark I teleconverter (I already have a Tamron one that doesn't register) and was just wondering if anyone knows if the Canon Mark I makes itself known in the metadata
1
vote
1answer
45 views

What route should I go for a strobe? [closed]

Not including stands or anything else, what kind of strobe would you go for spending no more than $3,000? For instance would you buy 1 Profoto B1 along with their AirTTL or go for a much cheaper ...
0
votes
5answers
144 views

Which Canon 70-200mm is best for a wildlife trip?

New member here.. I signed up after checking similar questions on this matter that didn't fully clear my doubts. I'm planning to buy a Canon 70-200 lens to use on my 550D body. I've been reading ...
0
votes
1answer
203 views

Why is my Canon Powershot SX500 IS displaying images with negative colouration? [on hold]

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 ...
2
votes
2answers
495 views

Is it normal that a 40D produces a continuous noise in Live View mode?

So I just found out how to turn on the Live View mode on my Canon EOS 40D (turns out there's a setting for it, big surprise) and I was pretty surprised to notice that while the camera is in the Live ...
2
votes
3answers
3k views

What setups work to trigger a Profoto B1 and Canon 600EX-RT Speedlights together from canon body

Given a Profoto B1, a Profoto AIR Remote TTL-C, and some Canon 600EX-RT , what configurations work with triggering these items together. Additional items are allowed (slave triggers, pocket wizards, ...
0
votes
1answer
140 views

Apertures required to enable autofocus on Rebel T6s/T6i in Live View?

Your article "What apertures are required to enable autofocus, including cross-type or high-precision focusing, on Canon DSLR cameras?" is most useful. Would the new Canon autofocus technology, in the ...
1
vote
1answer
46 views

How do I resolve a Canon “error 99” that is not a lens issue?

My Canon 40D has an "error 99" when shutter button is pressed. Here is the list of things I've tried: change the battery shoot without CF card shoot without lens In all cases, the error comes ...
1
vote
4answers
638 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 ...
7
votes
3answers
3k views

What flash slaves can be used with a Canon Speedlite 600EX-RT?

My current flash setup is a standard shoe mount but I've been thinking about getting a remote. I've been drooling over the Speedlite 600EX-RT. It uses radio to control slaves, which is nice (longer ...
3
votes
2answers
807 views

Is there a Canon equivalent of the Nikon CLS?

Does Canon have its own version of the creative lighting system?
16
votes
11answers
21k 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 ...
4
votes
2answers
831 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 ...
0
votes
2answers
362 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 ...
5
votes
3answers
2k views

Why does my 420EX Speedlite sometimes fail to start up?

I have a Canon 420EX Speedlite that sometimes won't start up. When it's not working, it behaves as if it didn't have any batteries in it... just totally dead. The odd thing is, it doesn't seem to be ...
0
votes
3answers
91 views

Canon 7d & 24-70 ii - can't get a crisp or well exposed shot [duplicate]

As the title says, I'm shooting a canon 7d (mi) with the newly acquired Canon L 24-70 ii. I can't tell if I've suddenly forgotten how to shoot, or if both Green and Av mode are messing with me. I've ...
12
votes
2answers
14k 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 ...
2
votes
1answer
63 views

Integrating a microscope, Camera and Electronic shutter

This is an optical engineering question rather than anything else. So I beg for your patience. I have an inverted microscope which we are trying to do some cancer research with to image cells. Since ...
24
votes
8answers
14k 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 ...
0
votes
0answers
37 views

disk not readable in El Capitan/EOS 6D

Connecting camera via usb or via card reader this message comes up. I've upgraded to Photoshop Elements 14 and also get the same result with Canon software. How can I solve this?
0
votes
2answers
75 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?
0
votes
3answers
10k views

How do I determine the shutter count on a EOS 60D body?

I'm selling a 60D body, and I want to check the reported shutter-release count. But I can't find it on the menu anywhere. Does someone know how to find it? Note that the next assigned filename is not ...
0
votes
3answers
373 views

EOS-1N (Film SLR) - Set aperture with modern EF lenses?

Can this camera set the aperture with modern EF lenses, or do I have to get lenses that allow me to set the aperture with a ring on the lens? And if anyone knows how this camera compares to the EOS ...
1
vote
1answer
70 views

Can I trigger Yongnuo YN-622N and YN-622C together at the same time?

I am a Nikon user and my friend uses Canon. If we use Yongnuo YN-622N & YN-622C can we trigger both the Nikon and Canon flashes at the same time?
0
votes
1answer
50 views

Can you adjust Aperture in [Tv] mode on a PowerShot G7 X?

I do not own a PowerShot G7 X, but my friend does. We want to know if it is possible to adjust the aperture when in [Tv] mode, so that she can try for milky water on a waterfall. Is this possible?
7
votes
6answers
11k views

Why did Canon come up with APS-H and why did the top-of-the-line 1D's *still* use it and 1.3x crop, when FF existed for four years (the 5D)?

With the 1.5/1.6X (APS-C/DX) crop factors and full frame just about ubiquitous these days in the digital world -- why hadn't Canon's top-of-the-line 1D's moved to FF sooner? It took four years! Is ...
5
votes
4answers
185 views

Where can I find the maximum camera weight for my lens?

I have a somewhat unique question here, and I haven't been able to get a clear answer elsewhere. There is a question with a similar title, only with the camera and lens terms swapped. My question is ...
0
votes
1answer
46 views

Canon 1200D kit lenses vs. XSi kit lenses. Which should I keep?

I recently purchased a Canon 1200D kit in the UK (from Dixon Travel). I also have an older Canon Rebel XSi kit with similar lenses (purchased in the USA, around 6-7 years ago). I am trying to ...
1
vote
1answer
32 views

Refilling Dye Ink Cartridge with Pigment ink?

will it print ? and how long ? the printer model is canon MG5140
5
votes
4answers
1k views

What are the advantages/disadvantages of sRAW or mRAW files compared to fullsize RAW?

Are there any non-obvious advantages/disadvantages of setting my 7D to use small or medium RAW instead of large? I seldom print pictures, and the way I take photos the sensor is almost never the ...
1
vote
0answers
45 views

How can I increase my compact camera's suboptimal autofocus accuracy?

I own a Canon G1X compact camera which is quite good in my expectations, except that I cannot really be confident in its autofocus accuracy especially in non-optimal light conditions. Manual focus is ...
1
vote
2answers
100 views

How to programme EOS utility to take n number of shots?

I just installed the EOS utility program and wanted to know if it's possible to tell the program to take let's say 10 or 15 or 40 shots in a row, well you get the idea.
4
votes
2answers
4k views

How to emulate the in-camera processing in Lightroom? [duplicate]

I'm a beginner in matters of digital photo processing (and photography for that record). I already know that the RAW file is a dump of raw sensor data with no processing whatsoever applied to it. My ...
0
votes
2answers
86 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 ...
5
votes
3answers
1k views

Are batteries for the Canon XXXD Rebel series interchangeable?

A friend from online recently found out he has an extra battery for an 400D XTi that he can no longer use because he sold the camera. I have a 450D XSi and I was wondering if I could use this battery. ...
6
votes
3answers
7k views

Are there wireless file transfer adapter options for the Canon 550D/T2i?

Is there an equivalent to the wireless adapters available for higher-end Canon DSLRs? The closest thing I have found are the EyeFi cards but was wondering if there are any other alternatives.
1
vote
1answer
55 views

How do I enable back-button AF on the 760D

I have an EOS 760D (recently upgraded from a 30D - yay!), and I'm can't find the custom function that allows you to use back-button AF. Does the 760D have this feature at all or has it been omitted? ...