All Questions
2,660 questions
12
votes
4
answers
59k
views
How does using a 2x teleconverter with 70-200 f/2.8 affect use?
I recently acquired the Canon EF 70-200mm f/2.8L IS II USM lens and I love it. However the other weekend I went to Heathrow to do some aviation photography. Whilst it is great for aircraft near to you,...
- 7,754
12
votes
3
answers
3k
views
What do the red values mean on the distance scale of a lens?
Take this lens I have for example, it has red values on the distance scale (not sure what do you call it exactly) next to the focus ring. What does these values mean?
- 1,030
12
votes
5
answers
2k
views
Would a 50mm lens on a Canon APS-C crop produce the exact same image as an 80mm lens on a full frame camera?
Scenario:
I put a 80mm lens on a FF camera and take a picture
I put a 50mm lens on a Canon APS-C crop camera (1.6x crop) and take a picture
Going by the 1.6x crop, I understand the fields of view of ...
- 121
12
votes
2
answers
454
views
Does Canon have a no lemon policy on EF lenses?
After a certain number of repairs or warranty claims does Canon replace the equipment? Specifically Canon EF lenses. If no defined policy exists, do you have experience one way or another?
- 46.6k
12
votes
2
answers
1k
views
Are there any downsides to buying a third party extension tubes for Canon?
I would like to get a little higher magnification out of my Canon 100mm Macro, so I am looking at extension tubes.
I know Canon makes the EF25, but it seems pretty expensive considering there isn't ...
- 23.7k
12
votes
3
answers
5k
views
What are M42 prime lenses?
How can I use these prime lenses for Canon T2I? Are these cheap and good? I have no clue what M42 lenses are. Please post appropriate links for the lenses and adapter that I can use for my canon t2i.
- 2,291
12
votes
3
answers
7k
views
Accuracy of shutter actuation count in Canon and Nikon cameras
Nikon
In most Nikon DSLRs, shutter actuations could be found in the Exif data and it's possible by using a tool as simple as this online Exif viewer, however Nikon support website says that:
This ...
- 2,203
11
votes
3
answers
5k
views
Why are images from my brand-new Canon camera numbered starting in the 9000s instead of from 0001?
I just bought the brand-new Canon 80D from Amazon, along with new memory card 64GB. When I took the first few pictures, I see that the file names start from "IMG_9545.jpg", "IMG_9546.jpg" and so on ......
- 489
11
votes
7
answers
33k
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 II)...
user4560
11
votes
3
answers
7k
views
Are there significant reasons to prefer 2nd-generation Canon L lenses to 1st-generation ("I" vs. "II")?
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 "II" lenses, and I was wondering if it ...
- 2,571
11
votes
8
answers
5k
views
What options do I have for a normal and fast prime lens for a Canon APS-C camera?
I'm looking for a normal prime lens, desirably fast and not too expensive, for my 450D. 50mm seems to be the normal focal length on FF, thus for APS-C, I need about 30mm.
I want it to be fast as I'm ...
- 2,476
11
votes
4
answers
4k
views
How much does 1 mm get you in a wide-angle lens?
I'm looking at a Canon 17-40 mm wide angle lens, and I don't understand why anyone would buy it. EFS18-55mm II is the standard Canon 18-55 mm lens that DSLRs come with, and it seems almost as ...
- 213
11
votes
4
answers
3k
views
Are there any Canon EF-S prime lenses or tele-zooms?
Canon is supposed to have introduced the EF-S system for the APS-C cameras to make smaller\lighter lenses and keep the costs low. However, most of their EF-S lenses are general purpose zooms in the ...
- 4,665
11
votes
4
answers
4k
views
Is it better to upgrade Canon 18-55mm IS kit lens to the 18-200mm, or complement with 55-250mm? [duplicate]
I currently have the Canon EOS 550D with the 18-55mm IS kit lens. I am primarily looking for greater telephoto reach, as I have found the 55mm length to be quite limiting at times. So, I was ...
- 4,665
11
votes
7
answers
22k
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?
- 1,269
11
votes
4
answers
4k
views
Is Canon EF 24-70mm f/2.8 L USM Lens that much better than Sigma 24-70mm f2.8?
I am looking for a 24-70mm f2.8 lens for general use and low light gig/concert photography.
The 2 I am looking at are:
Canon EF 24-70mm f/2.8 L USM Lens
http://www.amazon.co.uk/Canon-24-70mm-2-8-USM-...
- 113
11
votes
2
answers
43k
views
What is the difference between the Canon 55-250 IS II and 55-250 IS STM lenses?
I am a beginner in DSLR, and would like to purchase another lens other than the kit lens (18-55mm STM) that came with my Rebel T5i/D700. After much googling, and reading of blogs, I have decided to ...
- 121
11
votes
2
answers
2k
views
What is the best way to focus when doing night photography or astrophotography?
Last night, when I was attempting to do some astrophotography, I found it rather difficult to focus on the stars/tress/buildings in nearly pitch darkness. The Live View feature doesn't show much as it ...
- 605
11
votes
9
answers
37k
views
Can one create multiple exposure images with a Canon DSLR?
In looking at the user manual for a Nikon D7000, I see that the camera can create multiple exposure images (where more than one image is exposed into the same frame) in-camera. I don't recall ever ...
- 21.5k
11
votes
4
answers
7k
views
Does a camera tethered draw power over USB?
I plan to use my Canon 50D in a studio, tethered to a PC.
It would be great if it drew the power it needed from the USB bus rather than from the battery, so I wouldn't need to worry about changing ...
- 1,182
11
votes
1
answer
1k
views
Why was my Canon Speedlite 600EX triggering other flashes?
Hi: I second shot a wedding reception last Saturday and my on-camera Canon Speedlite 600EX flash (on a Canon 5DM3) was triggering the lead photographer's two Godox off camera flashes (she had a Nikon ...
- 111
11
votes
2
answers
6k
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 ...
- 8,298
11
votes
2
answers
4k
views
Does the Canon *.CR2/CRW format contain "truly RAW" data?
In my work I am dealing with *.CR2 raw images taken by a Canon DSLR in raw mode.
When I read about the format here, I was surprised to find that it has 4 TIFF IFDs which contain a) Original Size JPEG ...
- 1,219
11
votes
3
answers
6k
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, ...
- 8,763
11
votes
1
answer
48k
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 ...
- 171
11
votes
3
answers
5k
views
Can the "Dust Delete Data" function on Canon DSLR be used with Lightroom?
My camera is 6 months old and I noticed there is quite a few spots on the sensor (especially when taking HDR shots of bright scenes or the sky) The hand blower does not lift these particles off the ...
- 6,317
11
votes
5
answers
2k
views
Recommendations for off-brand battery grips for DSLRs
The Nikon- and Canon-branded battery grips are insanely expensive. What alternatives are out there, and where is the best place to buy them?
- 1,914
11
votes
1
answer
1k
views
How can you tell if a lens is having problems with back focusing?
I recently bought a Canon EF 24-70/2.8L to use with my 450D and I suspect that it is constantly back focusing. Is there any way of determining if it is something wrong with the lens or if it is a ...
- 381
11
votes
5
answers
10k
views
What are the problems with using generic LP-E6 batteries with a 5D/7D (if any)?
I've got a 7D with the LP-E6 battery that came with it, but would like to get some spares (along with a battery grip)
With my previous camera (450D) I used generic batteries (and generic grip) and ...
- 5,734
10
votes
9
answers
37k
views
What lenses are must-have yet affordable for a Canon T2i camera?
I have a canon T2i camera. I am beginner looking for some tips on the best lenses to carry around.
- 2,291
10
votes
9
answers
28k
views
Are there big reasons to prefer the Canon 600d vs Canon 550d?
I'm just wondering whether there are any big(ish) reasons I should get the Canon 600d and not the Canon 550d. I'm interested in the difference in video quality and low light performance (if there is ...
- 235
10
votes
6
answers
17k
views
What is a good general purpose lens for Canon?
As an upgrade from kit lens 18-55mm, which would be a better general purpose lens?
Obviously there is no "best" option, as everyone has a different budget and style, but what are the best options ...
- 481
10
votes
8
answers
87k
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 ...
- 293
10
votes
10
answers
2k
views
Nikon D5000 vs Nikon D90 vs Canon 500D? [closed]
I quite like the D90 but what concerns me is that it was launched almost 2 years back and is quite a bit heavier than other two. Although what I like most about it is the continuous shooting (4.5 vs 3....
- 559
10
votes
6
answers
3k
views
Which prime lens to get after the 18-55mm & 55-250mm?
I started out with the 18-55mm IS kit lens on my Canon EOS 550D over a year ago, and added the 55-250mm IS a couple of months back to augment my telephoto reach (based on the recommendations in one of ...
- 4,665
10
votes
4
answers
13k
views
I have a Canon EF 100mm f/2.8 Macro. How can I get even closer to the subject?
I have had a Canon EF 100mm f/2.8 Macro lens for quite a long time. It is a great lens. I use a 7D as the body, thus I get 1.6x magnification as compared to a "real" 35mm sensor body.
While this is ...
- 655
10
votes
4
answers
3k
views
How does the cable release work without a battery?
I occasionally use the RS60 cable release with my Canon T3i:
The Canon RS60 E3 replicates the functions of the shutter release button. The remote switch, on a 2-foot cable ... is compatible with ...
- 507
10
votes
7
answers
601
views
Focusing an entry-level DSLR
I like really really sharp photos.
Even with a prime lens, I seem to be able to do noticeably better with my 450D by manually focusing using live view at maximum zoom than by using auto focus (even ...
- 223
10
votes
3
answers
4k
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 ...
- 5,098
10
votes
8
answers
5k
views
Should auto-focus need adjusting?
I own a Canon XTI, and it always seems my shots are slightly out of focus. I usual have my camera set to the center focus point, and usually half press the shutter button to establish the focus on the ...
- 1,421
10
votes
6
answers
62k
views
How can I fire a single canon 430ex flash remotely from a Canon 6D camera?
I don't ever use flash but I would like to start learning about portraits and lighting. I have a mainly unused Canon 430ex which I would like to use off camera with a softbox or bouncing of an ...
- 6,317
10
votes
3
answers
4k
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 ...
- 101
10
votes
1
answer
26k
views
Why doesn't my camera have lens corrections for my new lens?
I've been using a brand new Canon 5D Mark III (with the latest firmware v1.2.3) with some recent lenses (all older than the camera itself though), but most of them don't have any lens correction ...
- 5,734
10
votes
2
answers
616
views
Does the Canon M have actual, significant deficiencies vs. the competition?
From all the reviews, articles, http://reddit.com/r/photography and other sites I've been reading, it seems the general consensus is that the Canon EOS M is something pitiful and incapable, "too ...
- 213
10
votes
3
answers
31k
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 ...
- 233
10
votes
4
answers
7k
views
Mounted Shotgun Mic for a Canon EOS 7D?
I've been capturing a lot of awesome-quality 1080p video from my 7D, and now I want to step up the sound quality, as the motor is pretty loud and is definitely audible in the recordings. Are there any ...
- 297
10
votes
3
answers
93k
views
Shooting a timelapse without any intervalometer?
I know that most of DSLR can shoot timelapses by using software solutions, sparing the purchase of an intervalometer. My questions:
Any recommendation or suggestion about the software I could use (I'...
- 213
10
votes
3
answers
2k
views
Is my Canon EF-S 15-85mm IS USM lens defective or par for course?
I got the Canon EF-S 15-85mm IS USM this week after a lot of deliberation as an upgrade to my 18-55mm IS kit lens for my Canon 550D, and did some trial shots using it and found the images to be on the ...
- 4,665
10
votes
2
answers
4k
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 ...
- 1,226
10
votes
3
answers
4k
views
Are the Canon 15-85mm + 50mm f/1.8 adequate substitutes for the 17-55mm f/2.8?
The EF-S 15-85mm lens is a relatively recent lens, and I haven't seen too many recommendations on it thus far. However, most of the reviews have been very positive and the lens is said to be optically ...
- 4,665
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