Red and Blue

by Gordon

submit your photo


Hall of Fame
View past winners from this year

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)

5
votes
2answers
2k views

Can i use my old Canon Speedlite 2777T with my new 5D Mark II

Actually it's my dad's lens that he bought many many moons ago to use with his old Canon T70. I dont have a flash but have borrowed his to try out, but he mentioned that some flashes will send too ...
4
votes
4answers
317 views

Why does the Canon G7 allow faster shutter speed settings only at slower apertures?

I have a Canon PowerShot G7 camera. In Manual mode it supports 1/2500s shutter speed at f/8.0, whereas at f/2.5 it supports only upto 1/1600. But, should it not support higher shutter speed at higher ...
4
votes
5answers
12k 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 ...
4
votes
5answers
5k views

Do differences in color saturation across Nikon and Canon pictures matter?

I am about to buy a new DSLR and shortlisted the two models, Nikon D5100 and Canon 550D. From the pics that I have seen on Flickr it seems that Nikon pics have more saturated color than Canon. Is it ...
4
votes
3answers
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 ...
4
votes
1answer
1k views

What third party Speedlites work best with Canon?

I am currently picking out a flash (speedlite) for Canon XSI. There is a number of third party flashes available from manufacturers other than Canon. They all claim to be Canon compatible but I have ...
3
votes
3answers
3k views

Can the lenses of a Canon EOS film camera be used on a digital one?

I have lenses from a Canon EOS rebel Xs film camera: 28-80mm f/4-5.6 II (diameter 58mm) and a Sigma 100-300mm f/4.5-6.7. I am thinking to buy a Canon Digital 40D and use these lenses. Will those ...
3
votes
3answers
1k views

Is a Canon Rebel T3 an appropriate entry-level DSLR?

I'm starting photography and am wondering if the Canon Rebel T3 is a good choice. My only real constraints are that I want to able to take "burst shots" (such as of sports events) and low light ...
3
votes
3answers
2k views

Taking photos of computer screens - reducing glare with S95

I am using my S95 to take photographs of LCD computer screens which are used to display Microfilm images related to my research. Unfortunately they aren't running a normal OS, so it's not an option to ...
2
votes
1answer
2k views

How can I fix a blue colour cast from my Canon i9950 printer?

I have a Canon i9950 with an aftermarket CISS. It used to be fine, but having not used it for a while over Christmas, now all my prints are coming out with a horrible blue cast. I have checked that ...
2
votes
3answers
2k views

Which lens should someone who enjoys the Canon EF 50mm f/1.8 get next?

I bought a Canon 550D months ago, and at that point I chose the 50mm f/1.8 because it was super affordable and quite popular. I must say I've taken some really wonderful photos with it; mostly with ...
2
votes
2answers
1k views

Can I safely use my camera with a external power supply?

I have a Canon SX210 IS, which doesn't have the possibility to plug-in a external power source. Because of that, I want to make a connection to the pins where the battery usually is. I'm a little ...
1
vote
2answers
2k 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 ...
1
vote
3answers
434 views

What are meaningful deciding factors when deciding between Canon 5D mark III vs mark II? [duplicate]

I am intermediate student on photography. I am intending to buy a full format Canon camera and I am between Canon 5D mark III and mark II. I would like to be able using ISO numbers of 800 or 1600 or ...
1
vote
2answers
246 views

upgrading from kit lens [duplicate]

Am bit new to DSLR .Interested in landscape My problem I feel kit lens came along with my 650D is not giving me sharper images.(Culprit might be myself) Budget problem for upgrading to Canon lens ...
0
votes
2answers
216 views

Can Tamron 16-300mm Macro Lens fit to Canon EOS 600D?

I use Canon EOS 600D and I want a lens with a larger range. I found out Tamron 16-300 f/3.5-6.3 Di II VC PZD Macro Lens, I added it into my wishlist. I did some research on it and I'm scared that it ...
0
votes
2answers
702 views

How do I choose a telephoto zoom lens? [closed]

I have a Canon 1100D kit (18-55mm IS II) and a 50mm f1.8 lens. Now I'm looking for a zoom lens. What do you think about the following: Tamron 18-200mm f3.5-6.3 Tamron 70-300mm f4-f5.6 DI LD Tamron ...
-3
votes
3answers
562 views

Which lens is better: Canon 70-300mm 4-5.6 or 50-200mm? [closed]

For use on a Canon 600D, primarily for travel, landscapes, macro and subjects in motion. An additional consideration: if I go with the 50-200mm I could also afford a 50mm lens.
9
votes
7answers
12k views

How can I get proper flash exposure in AV mode without using ETTL?

I have a Canon 5D Mark II and normally shoot with natural light (I try to stay away from flash). However, I am taking on more situations where I need to use my hotshoe flash (Canon Speedlite 580 EX ...
17
votes
2answers
3k 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.
14
votes
7answers
929 views

Upgrade strategy for Canon EOS DSLRs

In February 2010 I bought my first DSLR: EOS Rebel XSi EF-S 18-55IS Kit I also bought a zoom telephoto lens: Canon EF 70-300mm f/4-5.6 IS USM The XSi is a simple camera which I thought would be good ...
13
votes
4answers
4k views

How should I learn to understand Canon's metering?

Spot metering is my preferred metering mode on the Canon 50D. This allows me to nail the exposure first time -- 99% of the time -- by using AE-lock on my subject and applying the desired amount of ...
12
votes
10answers
2k views

What lenses to bring while traveling? One good wide-telephoto or several smaller ones?

I have a Canon 7D and often take my camera on the road while traveling. In the past I've taken my Sigma 17-70 f/2.8-4 and my Canon 70-300 f/4-5.6, which means that I must switch out lenses quite a ...
7
votes
1answer
25k 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 ...
17
votes
7answers
52k 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 ...
15
votes
4answers
2k views

What should someone know when switching from Canon to Nikon?

I'm starting the switch from Canon to Nikon. Having used Canon gear for 10 years I'm pretty familiar with their system. As I move to Nikon, what things should I know that are different and would be ...
13
votes
6answers
2k views

What should I do to switch my gear from Sony to Canon?

So I currently have a Sony A700 which i bought a year ago, and wanting to get some quality glass. I was looking at the Carl Zeiss 24-70/f2.8 lens, but then got talking to a friend who's a canon user. ...
10
votes
2answers
2k views

Astro-Photography with Maksutov-Cassegrain Telescope and Canon EOS?

I have a Maksutov-Cassegrain telescope from Celestron C70 and I am interested in the Astro-photography. I want to know, if I can use this telescope to attach with my Canon 600D? Do I need anything ...
9
votes
5answers
962 views

What are the cons of a 5D Mark II? How does it compare to other FF bodies from Canon?

For those of you who have or have had a 5D Mark II. What do you not like about it? If you have a 5D Mark II and another full-frame model, in what kind of situations you prefer one over the other?
8
votes
2answers
866 views

What technical reasons prevent Canon's new hybrid AF working with non-STM lenses?

Canon's new Rebel T4i (a.k.a. EOS 650D) has a new "hybrid AF" mode, which allows continuous AF during video, but only when used with one of the new STM lenses. I've seen chatter on the web forums ...
7
votes
4answers
53k views

How do I decide between the Canon 55-250mm or 70-300mm + 50mm?

I just bought a Canon Rebel T2i (EOS550D/Kissx4) with 18-55mm kit-lens and I have an additional $300 USD to spend on a lens. I had decided to buy a Canon EF-S 75-300mm f/4-5.6 (without IS) and a Canon ...
6
votes
2answers
1k views

What are Canon cameras actually doing when performing a low-level format?

Canon seems to be a bit shady about what their low-level format function actually does. I know what low-level formatting means when applying it to old HDDs that had a separate disk controller, but I ...
4
votes
5answers
4k views

Which Canon lens combination should I buy for landscape photography?

The story never gets old: I was given a Canon 500D camera with EF-S 18-55mm f/3.5-5.6. Later I was also given a Tamron AF 28-300mm F3.5-6.3 XR Di LD Aspherical (IF) Macro with Canon mount. As they ...
17
votes
2answers
5k 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 ...
12
votes
4answers
10k views

How to trigger AF-assist light on Canon Speedlites without firing the flash?

Most of Canon Speedlites flashes have quite nice built-in AF-assist LED lights, which would are useful in low-light situations, even when one doesn't want to use flash in photos. Is there any way to ...
11
votes
4answers
2k views

Is EF-S 17-55 f2.8 IS USM really a 'L series' grade lens?

Some reviews say yes. But since it costs as much as an EF equivalent, why not name it as 'L'? Is there any better lenses in this range (EF or EF-S)?
10
votes
3answers
17k views

Will lenses from a Rebel work on higher-model Canon cameras?

I am thinking about purchasing a Canon 60D and selling my Rebel XT and wondered if I would need to purchase new lenses? I only have two but as you all know, once you invest it is hard to not take ...
9
votes
3answers
2k views

Mark I vs Mark II Canon L Lenses

Are there any Canon L lenses in which one iteration was significantly better than the other? The price for older Canon L lenses are significantly cheaper than mark II lenses and I was wondering if it ...
8
votes
5answers
2k views

How can I work around metering issues with adapted lenses on a Canon DSLR?

I have a bunch of Contax lenses (C/Y mount) and a mount adapter with "dandelion" chips. This should allow me to use my lenses on any Canon DSLR using aperture mode and stopping down the lens. Thanks ...
8
votes
5answers
2k views

Why are Canon and Nikon the biggest camera manufacturers?

Coming in new to the whole SLR world, I am yet to find a conclusive answer to a question that's been bothering me: why are Canon and Nikon the big two? My wife has gone down the Sony route because ...
7
votes
1answer
1k views

What are the differences between AF/metering chips for M42 lens Canon DSLR adapter?

I'm looking for an adapter to use an M42 lens on a Canon DSLR. I was wondering if anyone knows the difference between the following types of chips : 2nd generation AF 3rd generation AF EMF AF ...
7
votes
4answers
993 views

How limiting are the line-of-sight requirements of Canon's optical wireless flash system?

I have a Canon 7D and 580EX II Speedlite, and am trying to make the jump into flash photography, particularly portrait work. I understand that the 7D's wireless trigger works by line-of-sight. Will ...
6
votes
3answers
4k views

Is the Canon EF 70-300mm f/4-5.6 IS USM suitable for wildlife photography?

I got my first DSLR about a week ago (600d) + af-s 18-135mm kit lens, but I want another lens with greater focal length. So I thought about this lens: CANON 70-300mm f/4-5.6 IS USM How does it ...
6
votes
1answer
9k views

Is there a custom firmware availble for the Canon 450D Rebel XSi?

Does the Canon 450d have custom firmware? Doing a quick Google search didn't really find anything. And, along similar lines, is the 450d even capable of flashing its firmware? Or are we basically ...
6
votes
1answer
505 views

Who covers Canon products in a similar vein to Thom Hogan's Nikon coverage?

I'm looking to learn a bit about Canon's history, products and reviews and wondered if there were any reviewers that do work focused on Canon's (D)SLR products. The publications and web site of Thom ...
6
votes
6answers
5k views

Would the Tamron 18- 270 mm F/3.5-6.3 Di II VC PZD make a good choice as my second lens?

I have a Canon 50/f1.8. I am looking for a zoom lens. After much research, I have zeroed in two lenses as my second lens: either Tamron 18-270 mm F/3.5-6.3 Di II VC PZD or Canon EF75-300mm f/4-5.6 III ...
5
votes
4answers
1k views

What's the difference between holding a half-pressed shutter button and pressing the AE lock?

As I have been looking around today the AE lock button is supposed to lock in the focus and exposure settings (aperture and shutter) so that the picture can be recomposed before taken. I also believe ...
5
votes
3answers
2k views

How do I get crisp indoor or low light images from my point and shoot?

I have a digital camera Canon PowerShot. I notice when I try to take any pictures other than a non-zoom, outdoor picture in good lighting the picture comes out blurry and grainy. I have tried a ...
5
votes
3answers
6k views

Why do the focus points leds in my viewfinder appear shadowed?

The focus points leds (red colored ones), looks shadowed (smudged) in my Canon 550D. Not all points, but the bottom 3 points, when the light glows, looks kind of shadowed. I tried cleaning the both ...
5
votes
2answers
1k views

Can't auto-focus at full zoom

I have a Canon 1000d, and the standard lens EF-S 18-55mm. Recently I was out taking photos and I've noticed that if I zoom in fully, the lens can't auto focus. I can still take shots using manual ...