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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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15 views

Can the Canon EF-M camera use the focus by wire lenses?

The old Canon film camera EF-M did not have auto focus ability and was manual focus only. Does it support the focus by wire lenses in the EOS line? Does it even have any electrical connectors in the ...
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1answer
27k views

How to change Shutter Speed and Aperture on Canon T2i?

I have a Canon T2i and I am having a hard time figuring out how to change the shutter speed and aperture. I have tried reading the manual but it seems to be a little unclear. Can someone please point ...
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1answer
17 views

Firing master flash with Yongnuo RF-603 II

I got a couple Yongnuo RF-603 II triggers. And I got a Canon 550EX and 430EX. I want to use the triggers to fire the 550EX remotely. The 550EX is in master mode. Which should trigger my 430EX in ...
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2answers
2k views

Is Canon 16-35/4 IS better than 16-35/2.8 II at f/4?

I have had a 16-35/2.8 II for almost a year, but it broke and I might be in the market to replace it. Last week I saw that Canon had released a new lens in this range, but with f/4 and IS. Is Canon ...
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1answer
32 views

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 the pins wont allow it to seat into the body. Could the difference be that it is ...
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1answer
108 views

What are the differences between Canon and Tamron 70-200mm f/2.8 zoom lenses?

I will purchase either the Tamron SP 70-200MM F/2.8 DI VC USD or the Canon EF 70-200mm f/2.8L IS II USM. Considering there is around a $700 price difference between these two I am wondering if there ...
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1answer
569 views

What is causing the bright flare on all of my images?

My new camera Canon 6D show this lensflare (raw or jpeg) in all the photos with this lens (Canon 50mm 1.8) or with the Samyang 16mm 2.8 (which I returned for judging what was defective). The lensflare ...
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5answers
2k views

Why are Micro Four Thirds lenses so expensive compared to Canon?

I'm looking at picking up a new prime portrait lens to augment the kit lenses that came with my Olympus OM-D M-10. My brother has a Canon with a 50mm f/1.8 lens that takes beautiful photos and costs ...
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2answers
555 views

How to transfer all my photos from my Canon camera to my iPad mini in wi-fi?

I want to transfer all my photos from my Canon camera to my iPad mini in wi-fi. How can I do that ? I have installed the app CameraWindow on my iPad. I found a way to choose and transfer one photo. ...
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1answer
50 views

How to Mount Pentax K-Mount on Canon

I have an old Pentax 50mm 1:2 lens (from a Pentax Asahi K-1000) and a Vivitar 28mm f2.8 that I am trying to adapt to fit on my Canon Rebel t2i. I purchased two of these adapters but I cannot figure ...
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1answer
49 views

How do I identify the lens mount for this old lens which says “for Canon”?

I'm trying to find the correct lens mount or adapter to use with my canon t3i.
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1answer
23k views

What is the difference between AI Focus and AI Servo autofocus modes?

Recently I bought a Canon 60D and I am uncertain about when and how to use/activate the AI Focus and AI Servo functions. I understand the One Shot autofocus function for still subjects. You press ...
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0answers
46 views

Has anyone used Canon EF lenses on Sony mirrorless cameras? [duplicate]

I'm looking to buy a Sony mirrorless camera. The draw back is the expense of extra lenses as Sony really is proud of their products. Has anyone here tried using a Canon EF lens on a Sony mirrorless ...
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0answers
95 views

Canon 750d very slow focus speed

I've a new EOS 750d (T5i), with several Canon lenses. Before, I used to have a 450d. I've noticed that the camera is very slow to focus, the motor is audibly struggling, and focusing on an inanimate ...
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2answers
93 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, ...
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2answers
1k views

How good are the EF-mount to E-mount adapters?

I currently live in the Canon ecosystem, but really like the look of the Sony a7S. But before I switch I want to know just how well I'll be able use use my old EF-mount lenses on my new a7S. How well ...
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3answers
5k views

Why isn't it safe to use EF-S lenses on fullframe?

I've heard that EF-S lenses are not compatible with full frame bodies and that using such lenses could damage the mirror. Are the EF-S lenses not compatible with full frame bodies in terms of "not ...
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3answers
4k 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 ...
3
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2answers
932 views

Can the Canon 5D Mark II be set to save exposure settings on auto power off?

I usually use my 5D mark II in manual mode, with auto power off enabled, but every time it auto powers off, my exposure settings (shutter speed, aperture, iso) are lost. It seems like there should be ...
4
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1answer
2k views

So why does Canon 5D Mark II have a better video quality than Canon 60D?

Assuming that Canon 5D Mark II and Canon 60D both have the same processor, DIGIC 4 (single), why does the former shoots a better quality video? Better quality I mean the technical aspect, the ...
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2answers
90 views

Could I use an old Canon FD lens on a new Canon EOS M3?

I am considering buying a new Canon EOS M3 to use my very old Canon FD lenses. Would they fit?
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2answers
143 views

Buy Canon 6D or wait? [closed]

I want to buy a FF Canon Camera, I´m not a profesional, but I would like to have a good camera. Do you think it is good idea to buy Canon 6D or wait for Canon 6D mark ii??
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0answers
72 views

Can I take the 4 second photo delay off my Canon 600D?

I'm very new to photography so this is probably going to be a dumb question, but I'm interested in taking photos of the surf in my local area and the waves. I've got a Canon 600D, and when I click the ...
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1answer
408 views

What is the purpose of “A-DEP” mode on Canon cameras?

What is the purpose of the "A-DEP" shooting mode on Canon cameras, for example the T3i/600D? In what kind of situations is it helpful - for example, under low light conditions, higher ISO or when ...
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2answers
106 views

How can I fix my Canon rebel XT?

My camera Canon Rebel XT has suddenly gone of order in the sense that: When I turn my camera ON and take a pic, I cannot take a second picture. I have to turn it OFF and back ON again to be able to ...
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2answers
10k views
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1answer
88 views

Can I take multiple exposure shots with my Canon 600D?

Can I take multiple exposure shots with my 600D? If not, how I can achieve the same effect?
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1answer
612 views

Can the Panasonic GH4 remotely fire a Canon Speedlight 320EX?

I've been using a Canon 7D with my 320EX remotely for years, but when my 7D unexpectedly went swimming with me (never to recover), I decided to replace it with a GH4, which I'd been lusting after for ...
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1answer
42 views

Canon Rebel EOS XTi: USB not connecting when using external power

I have a Canon EOS Digital Rebel XTi that I'm using for timelapse photography (see an early effort here). I'm controlling the camera using gphoto2 on a Raspberry Pi, taking individual frames every ...
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3answers
284 views

Why is my zoom lens blurry at focal range past 100mm?

I recently purchased a used Canon 55-250mm IS lens and it works nicely at 55mm(even with lower shutter speed, and f/4 aperture), but turns out quite blurry at longer focal lengths, even with a shutter ...
5
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1answer
2k views

Why does the IR-Assist beam of Canon Speedlites not get used in AI Servo AF mode?

The IR AF-assist beam on the Canon Speedlites (I have a 430 EX II) doesn't seem to come on when the DSLR (I have the EOS 7D) is in 'AI Servo' AF-mode. It works fine if I'm in one-shot mode (comes on ...
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1answer
157 views

50mm f/1.8 lens not working with Canon 6D

My 50mm f/1.8 lens is not working with my new Canon 6D, but works perfectly with my Canon Rebel T3i. I have also tested another 50mm f/1.8 lens with the 6D and it works. What could be wrong?
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0answers
20 views

Are there still two classes of Canon IXUS/Powershot/IXY/ELPH around?

When I last time bought a Canon Digital IXUS compact camera, there were basically two series available: "Ultra-compact" Digital IXUS 65 ... 70 ... 75 ... 85 IS ... (Europe) Powershot ...
3
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1answer
682 views

What causes white blank images when shooting with a Canon PowerShot A4050?

I have a 3 week old Canon PowerShot A4050 camera. Almost all of my pictures (8 out of 10) are blank, white images. Video shooting is OK, but only occasionally good stills - does anyone know what can ...
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2answers
112 views

I have a canon 7d Markii, how to set insignia remote

I have a canon 7D markii and I am trying to set up the remote shutter control. It is an insignia NS-WSCC. It says to set my camera to IR mode, but can not find instructions on how to do that in my ...
3
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1answer
232 views

Canon Speedlites & Live View

I am having difficulty getting my Canon speedlites (600ex master and two 430ex slaves) to fire when using Live View on my 5D Mark III. I have no triggering problems except when using Live View. I was ...
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3answers
1k views

Why do my photos “glow”?

I have a Canon 60D and recently bought a Canon zoom lens EF 24-70mm 2,8L USM. Bright colours seem to "glow" or are blurry when I take photos. It does not seem to be blurred because of movement or ...
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4answers
2k views

Are there cheap or DIY focus assist solutions for the Canon 5D?

I want a better autofocus system for low light. Low light auto focus is my biggest bane. I use a 5D so the options are AF on a flash like the 430 or 580. I happen to use the Pocket Wizard TT1 so I ...
3
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5answers
11k views

If I have an 85mm lens for portraits, is a 50mm useful as well?

I recently got my Canon EF 85mm f1.8, after lot of thought over if I should buy Canon EF 85mm f1.8 or Canon EF 50mm f1.4, I decided on 85mm so that I can shoot portraits of people even from a ...
3
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4answers
5k 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 ...
4
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1answer
146 views

What is Arbitrary Release Time Lag?

The Canon EOS 5DS and EOS 5DSr both offer a new feature that I have never heard of. Canon refers to it as Arbitrary Release Time Lag. What does the feature do and why might I benefit from it?
40
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4answers
15k 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 ...
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0answers
99 views

How to fix shutter problem with Magic Lantern on a Canon EOS M?

I installed Magic Lantern on my Canon EOS M. Eventually the shutter is blocked and you can´t take a picture. The problem is more common with the 22mm F2.0 lens than with the 18-55mm lens. Does anyone ...
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1answer
97 views

Why isn't my Canon 60D saving images to SD with pics taken using swivel screen/viewer?

My Canon 60D does not save photos to the SD card when I take photos while using the swivel screen/viewer. It happens with different SD cards, so I don't think it is caused by a defective SD card.
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0answers
39 views

How to solve change in front and back focus at different diaphragms?

I've got an Canon 85mm f1.8 for sport photography and portraits. Testing it doesn't make me smile. I get backfocus at f1.8 and f2.8, but front focus at 2.0 and 2.2. This varies at different distances. ...
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0answers
17 views

Toyo Optics wide angle lens okay for X S I?

Picked up an old lens at goodwill (has Montgomery Ward price tag...lol) Toyo Optics 28mm F 2.8 and tried to mount on Canon XSI but it's too small for the mount. Is it possible to get an adapter so ...
0
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1answer
136 views

What is the name of the Canon SX60 HS Wireless Protocol?

I own a Canon SX60 HS and would like to know more about the protocol which is used to connect it to the possible software counterparts: CameraWindow for i.e. Android CameraWindow for i.e. Windows 7 ...
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3answers
2k views

How to remove external flash stuck on camera body?

Yesterday, after shooting I had to take the lens and flash off the camera body, but my flash 550EX got stuck and I can't get it off the body (EOS 5D). How to take it off? I turned the ring to loosen ...
2
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4answers
304 views

Will a 50mm EF lens give the same result as a 50mm EF-S lens? [duplicate]

edit: ^^ the answer to that question talks about the lens being the same and but not how or why this is the case, and does not answer the question about resultant image, First of all, to let you ...
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2answers
1k views

What is the EF 28 - 105 mm 1: 3.5-4.5 lens best for?

I've been shooting for about a year now and am slowly acquiring lenses. I just bought two used on craigslist from someone who was getting rid of equipment. Canon EF 28 - 105 mm 1: 3.5-4.5 Canon EF ...