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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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2
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4answers
727 views

Which of these lenses allows a greater amount of light through at f/1.4: Canon 35mm f/1.4 or Sigma 35mm f/1.4?

I'm looking for a wide aperture wide angle lens to use with my 5D III body. I'm planning to use this lens for reportage shots in low light conditions. After doing some research, I'm trying to decide ...
0
votes
1answer
1k views

Is there an adapter for a Sigma SA mount lens to fit a Canon EF mount?

I have a Sigma 24mm ultra-wide lens; does anyone know of an adaptor that will make this lens fit my Canon 1V camera?
3
votes
1answer
516 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 ...
4
votes
9answers
19k views

Can't connect Canon 6D to my computer via USB cable

I can't download photos from my new Canon 6D via the USB cable. Cable is connected, but no new drive is detected in the system. Looks like Windows doesn't see a new device at all. How do I ...
3
votes
1answer
150 views

Camera selects different shutter speed on AV Priority vs Auto

I have a Canon 60D. I've had it for a month now. Today while taking pictures I noticed that if I take a picture in AV Priority, the shutter speed is really slow. So I took a picture in Auto and noted ...
1
vote
3answers
7k views

What is the difference between EF-S 18-55mm and EF-S 18-135mm? [duplicate]

I know there is a similar question that was asked here, but I could not get any answers there. Hence asking again: Looking to buy the Canon 600D. But there is a huge difference in price due to the ...
5
votes
1answer
841 views

What uses more ink, glossy or semi-gloss (lustre) paper?

I am trying to setup printing profiles and don't want too many to confuse my wife and kids. We have both Glossy Photo Paper and Lustre Semi-Gloss Photo Paper. I am wondering what should I make the ...
2
votes
2answers
425 views

Can you recommend a good budget prime lens for family photos (Canon mount)

I'm very new to photography. Have a Canon T3, with the standard 18-55 lens and a 75-300 mm lens. I'm looking to do a lot of family photography (wife with 2 kids less than 2 years old). Most of the ...
1
vote
1answer
1k views

Force picture in continuous autofocus mode - Canon Rebel T3

I have a Canon Rebel T3, and I'm very new to photography. I recently got a new close up filter that goes on top of my 18-55 lens (this question also applies with any lens I have). I hold the shutter ...
1
vote
1answer
208 views

Does anyone make a flash diffuser for the Canon Macro Twin?

I'm currently looking for a flash diffuser for the Canon Macro Twin MT-24EX. I see that many people make their own. However, I'm not very good about building stuff. Is there anything available in the ...
2
votes
4answers
763 views

Canon extension tubes - how much extension can be used?

I just purchased two Canon extension tubes, 25mm each, for a Canon 100mm f/2.8L Macro lens. In the instruction manual, it is recommended to only use one extension, not two or more; otherwise, image ...
4
votes
3answers
5k views

Does leaving the Canon 7D sharpness setting at zero make images worse or better?

Do you know if leaving the sharpness setting to zero makes the image worse or better. I find that putting it to 7 makes it "sharp" but something seems artificial with it when I review the images. ...
2
votes
1answer
179 views

Are Raynox magnifiers compatible with Canon macro lenses?

Are Raynox magnifiers (125, 250, 5320) compatible with Canon 100mm f/2.8L? In particular, are they going to be compatible with the Canon Macro Twin Flash?
5
votes
3answers
4k 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 ...
3
votes
3answers
3k 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
votes
1answer
2k views

How do I activate wireless flash control with a Canon 60D?

I recently purchased a 430EX II for my 60D. When trying to set up the wireless flash control, I don't have "Flash Control" as an option in my menu. Do I need to perform a software update?
3
votes
2answers
2k views

Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?

My question is, if you drop a camera, and you think you might have an AF issue, what are the mechanics involved that might cause a mis-calibration? I can imagine that the lens has movable parts -- ...
5
votes
3answers
454 views

How do I get started with off camera flash in the Canon ecosystem?

This is a very basic question, and I have looked through different resources including the Strobist Lighting 101 tutorial and a few books (Scott Kelby, Neil van Niekerk). Some of the limitations I ...
3
votes
3answers
576 views

Canon 1Ds Mk II's scratched Low Pass filter. Now what?

Besides our workhorses (Canon 5D3 and 60D), we have an old camera - Canon 1Ds Mk II which has its OLPF scratched. That is, the camera works (ok, more or less because the signs of time are present on ...
2
votes
1answer
470 views

What is the noise my Canon 100mm macro makes when image stabilization is enabled?

I'm currently using a brand new Canon 100mm f/2.8L macro lens. I noticed that when IS is enabled and I press the button mid-air (no shoot), I hear a little noise. Is it the image stabilizer? With IS ...
1
vote
3answers
2k views

What to do when my camera says “lens error”?

I have a Canon PowerShot A3100IS digital camera. I was taking pictures but turned it off with the lens still open. I turned it back on, it loaded then made a beeping sound then a black screen came on ...
4
votes
2answers
1k views

What is the “AF Stop” button on some Canon lenses?

When looking at custom functions in Canon camera manuals, I've come across mention of setting functionality to have happen when the "AF Stop" button is pressed - a button that, apparently, exists on ...
8
votes
2answers
208 views

Is my Canon speedlite really dead?

My Canon 550ex wouldn't switch on yesterday. Completely dead. Changed the batteries (twice). Still nothing, no indication of life. It was fine last time I used it about a week ago. Is there anything ...
2
votes
1answer
240 views

Why are the rings on my Sigma 28-80mm lens stuck?

I use a Sigma 28-80mm on a Canon Rebel EOS. Neither the zoom nor the focus rings will turn. Is there something that I could diagnose the problem? Can I fix this myself or will I have to send it in for ...
1
vote
1answer
576 views

Which one wide-medium canon lens is best for an indoor/outdoor wedding? [duplicate]

Possible Duplicate: Which one wide-medium lens to buy as the main lens for an outdoor wedding? I am an amateur photographer. I have taken senior and family photos for friends. However, my ...
8
votes
2answers
2k views

How does the eye-controlled focussing of the Canon EOS 5 work?

I just read that the Canon EOS 5 had eye-controlled focussing. How does this work? In this short article I found that it had to do with the coupling of infrared eye-tracking and the AF-point choice, ...
3
votes
2answers
551 views

How does Sigma APO Macro 180mm F2.8 EX DG OS HSM compare to Canon 180mm f/3.5L and Canon 100mm f/2.8?

I am interested in both lenses. I think they are great lenses but cannot decide between the two. The 100mm can go down to f2.8. However, the 180mm has got more focal lenth. On the other hand, I could ...
2
votes
5answers
3k views

How should I set up my studio to take sharp portraits without shadows with two white umbrellas and one silver umbrella?

What would be the best studio setup using two white umbrellas with lights, one silver umbrella with a light and canon 430ex ii? My goal is to take sharp pictures of people without shadows. I am not ...
1
vote
1answer
18k 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 ...
9
votes
6answers
4k views

What benefit does Hasselblad have vs high-end Canon / Nikon?

When should one switch to Hasselblad vs. Canon 1DX or high-end Nikon ? Apart from the number of pixels, what do the cameras from that brand bring?
2
votes
2answers
703 views

Does Canon's USA lens warranty hold in India?

I have purchased a Canon lens in the USA from Amazon. Now I stay in India and am planning to sell that lens. The lens is in warranty period. Does the warranty still hold in India? (Are all Canon ...
4
votes
1answer
167 views

24-105mm Lens Cleaning

I've recently come back from a caving trip where there was quite a bit of (surprise surprise) mud and dirt around me. While I did try and take care of the camera (I carry all my gear in Pelican Cases) ...
3
votes
4answers
2k views

Canon 24-105 vs 70-200 within the same range

I'm interested about shooting within the ~70-100mm range. I found out on google shop that these two lenses are priced $750[24-105mm, new] and $550 [70-200mm, new], respectively. Which one do you ...
1
vote
2answers
313 views

Why is Canon EF 24-105 available at different prices on Amazon? [closed]

I am very interested about this Canon lens. However, I found it on Amazon at three different prices, ranging from $840 to $1056. What is the difference between the three?
0
votes
3answers
623 views

Water-damaged Canon EOS 550 giving Err 70

Well my 550D is bricked. I was near a wall and on the other side was the sea. A huge wave came. Wall was 6ft high but a big splash of water jumped over it and fell on me and the camera directly. ...
2
votes
3answers
258 views

Why does my Cowboystudio NPT-04 not trigger flash with Live View on Canon T3i?

I just purchased a Cowboystudio flash trigger, model NPT-04 to use on my Canon T3i with a Canon 430 EX ii Speedlite. It seems to only work when looking through the viewfinder- if live view is on ...
3
votes
2answers
822 views

Why is there glow around lights in every photo shot with my Canon EF 28-70mm f/2.8 L USM Lens?

One day after using my Canon EF 28-70mm f/2.8 L USM Lens, I noticed that every photo has a huge amount of glow in the dark areas near any light area. I tested my other four lenses to figure out if ...
-1
votes
1answer
127 views

how to neutralise exposure in Manual mode [duplicate]

Possible Duplicate: How do I know I have the correct exposure when shooting in manual mode? I have a canon 550d, initially the settings were fine in Manual mode, but know I see following ...
3
votes
2answers
325 views

Sigma 1:4.5 70-210 for Olympus - will this work for Canon 600D with an adaptor?

I have an old Sigma Zoom lens used with a film Olympus OM10 (the lens says 'Made for Olympus). It has manual aperture control on the lens and manual focus. Is there any point getting an adaptor for a ...
-5
votes
2answers
266 views

Value for money Lens arsenal? [closed]

I have canon eos rebel xsi eos 450d along with two canon lenses "telephoto zoom lens EF-S 55-250mm f/4-5.6 IS" & " EF-S 18-55mm f/3.5-5.6 IS"... Want to upgrade my lenses and other accessories.. ...
3
votes
1answer
673 views

Does the battery grip for the Canon 1000D fit on the Canon EOS T3/1100D?

Is the battery grip for 1000D(BG-E5) a direct fit on 1100D ? I was searching for aftermarket and Canon brand ones but they mention that its suitable for 1000D.
3
votes
2answers
2k views

How to become a camera dealer for Canon/Nikon? [closed]

I have a small studio. I want to sell DSLR cameras. What criteria is there to become an authorized camera dealer for companies like Canon, Nikon?
2
votes
1answer
593 views

How to safely disconnect EOS camera from Mac?

I just started using my Canon 500D camera with a Mac. I was expecting to see a new external drive appear in Finder, which I could eject when I need to safely disconnect the camera from the computer. ...
-3
votes
3answers
3k views

Can I get a Nikon or Canon DSLR more cheaply by buying internationally?

Do some countries sell Canon or Nikon DSLRs at a much cheaper price? Could I save money by buying from a dealer who will ship internationally? Getting a high end DSLR or a good lens locally is beyond ...
3
votes
3answers
947 views

Techniques and kit to photograph graphic design print portfolio (not too costly)?

I am a graphic designer looking to photograph some of my print work (i.e. brochures, business cards etc). I have purchased some coloured mount board/card ready for the floor/backdrop, so I can ...
1
vote
2answers
392 views

Why are lenses included in kits so bad? [duplicate]

Possible Duplicate: Are all kit lenses poor? (And if so, why?) I am interested about getting a t4i. I hear everybody saying that kit lenses are very bad. However, the 18-135mm EF IS lens ...
1
vote
2answers
2k views

What Canon/Tamron/Sigma standard zoom lens to choose?

I have a Canon 600D with a kit 18-55 f3.5-5.6 IS II lens. Now I want to upgrade it with my not very loose budget. Three main things I want to improve with a new lens are: larger aperture better ...
7
votes
1answer
538 views

What are these big Zeiss lenses?

I'm not sure how to ask this other than "What are these big lenses?" One of the comments mentions that they might be Zeiss. I'm not sure how to tell. via http://instagram.com/p/T71mQVRzZX/
4
votes
2answers
222 views

Why does the ISO change with the shooting mode when the aperture and shutter speed are constant and using a flash?

I have a canon 60d, Canon EF-S 17-55mm f/2.8 IS USM lens, and a Canon Speedlite 430EX II TTL flash. I like to use the manual modes, such as Av and Tv but I am having some difficulties when using the ...
3
votes
1answer
239 views

Does the Canon DS6041 support TTL flash?

I've got that Canon model, and I'm using it with a Promaster 7500DX flash. The flash appears to support TTL light metering, but I can't find any way to make the camera recognize this. Consequently, ...