Before the rush

Before the rush
by evan-pak

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

Digital Single Lens Reflex (Digital SLR or DSLR) cameras use a mechanical system to allow the image coming through the lens to also be viewed through the camera's viewfinder. This class of camera is the primary digital type used by professionals and are usually compatible with the lenses used on ...

learn more… | top users | synonyms

1
vote
2answers
216 views

Why do SLRs and DSLRs use different flash gels?

I occasionally use gels to match my flash to ambient lighting. It’s easy to find green gels (CTG) to match fluorescent lights and orange gels (CTO) to match incandescent. However, in my experience, ...
49
votes
9answers
7k views

What should I look for when shopping for my first DSLR?

I am thinking of buying a digital SLR camera. What things should I be looking for?
1
vote
1answer
84 views

Getting raw data of each frame from DSLR video capture [closed]

I want to use a DSLR pro Nikon D3s to record a video and extract the raw data of each frame (like the raw data out of RAW image). So if I record with 24 fps, then I would practically have 24 images (...
1
vote
3answers
113 views

Photo, when zoomed to actual size look unsharp, “dotted” and noisy

I am video-maker. And I tried to make timelapse video, which mean that I took several thousands of photos to glue them into video. Every photo look something like this: The idea was to zoom parts of ...
6
votes
7answers
5k views

Is noise related to shutter speed as well as ISO?

I understand that as I increase ISO, I'll increase the amount of noise in the resulting image. With a constant aperture I can decrease ISO and slow the shutter speed (assume a non-moving subject, ...
3
votes
3answers
436 views

Do DSLRs allow use of electronic shutter for photography for stop-motion?

I'm going to be purchasing a DSLR soon for doing frame-by-frame paper, stop-motion animation video work. I do not want to have to keep fixing a mechanical shutter for my DSLR, which I hear is a ...
-1
votes
2answers
137 views

Which camera should I buy? DLSR or SLR [duplicate]

I'm planning to buy a camera for myself, where I came across the term DSLR and SLR. I'm a novice in photography thus, not knowing the actual meaning of both the term. Would like to know more about ...
0
votes
1answer
292 views

Why can't I set the aperture on my Nikon D7200?

I have just recently bought the Nikon D7200 and am having trouble using aperture priority mode. I have been doing exactly what the manual says - I switch the mode to A but when I turn the dial on the ...
2
votes
3answers
502 views

Is it OK to clean a DSLR's CMOS (with filter removed) with compressed air spray?

Is is OK to remove dust from the DSLR's CMOS (No filter or glass on top of it) using compressed air spray?
0
votes
2answers
243 views

Camera saying busy and won't take pictures

I am using a Canon-D1200 with 18-55 lens and some time after clicking it says Busy and I'm not able to take another picture for some time. Can anyone please tell me what the solution is for this, and ...
-2
votes
2answers
67 views

Tips for using movie mode on DSLR [closed]

I've got a Nikon D5100 and while it takes pretty decent pictures, I have had nothing but trouble trying to use its "movie mode". This main issue I see is that movie mode only works in "Live Preview" ...
0
votes
1answer
111 views

Measuring SNR of a DSLR from raw image

How can I calculate signal to noise ratio of a DSLR, using raw images? Is it simply whole counts minus dark counts over dark counts?
-4
votes
3answers
69 views

Is there any other DSLR gear that is worth adding to the collection? [closed]

My DSLR kit: Nikon D3200 body 18-55mm F3.5-5.6 kit lens Nikon 50mm F1.8G prime lens Sigma EF 610 DG Super TTL flash Carl Zeiss 58mm T* UV protective filter Eneloop Pro batteries + charger Lowepro ...
6
votes
1answer
1k views

Where is the AF sensor located in a DSLR?

As I understand every DSLR has a separate, smaller sensor that handles phase detection focusing. Where is it located? If this location is different for every DSLR, and therefore this broad question ...
0
votes
0answers
21 views

Efficiency of DSLR's CMOS at constant ISO [duplicate]

Does the efficiency of CMOS change if one keeps the ISO constant but changes the exposure time?
0
votes
3answers
239 views

How can I make it easier to focus with my manual f/1.4 lens without making it worse for slower lenses?

I have a Canon 17-40mm f/4 and a Samyang 35mm f/1.4 lens, and a Canon 6D. The problem is that when I'm trying to focus at f/1.4, the DOF in viewfinder is much wider than on the photo so it's much ...
1
vote
2answers
153 views

Why my dslr takes more time to process pictures shot at high apertures?

Using the same setting, my 600d takes about 10 secs from flash to preview picture if I shoot with a high aperture of f/22. But if I shoot with the same settings at f/3.5, I can see the picture preview ...
0
votes
0answers
65 views

Acquisition in live view, Nikon D3s

I want to acquire consecutive images saying in 1/100 s exposure time in live view mode, i.e. keeping the shutter up the whole time and take e.g. 200 images without closing the shutter in meantime. 1. ...
1
vote
0answers
43 views

Cameras: choosing between mirrorless and advanced compact as an experienced amateur switching from DSLR [duplicate]

"experienced amateur"? In my case, that means just over 15 years of experience, a third of it DSLR, the rest a variety of film cameras (rangefinder and SLR, mainly all manual) plus compact digitals. ...
60
votes
14answers
9k views

Why are SLR mechanisms still prevalent among high-end digital cameras?

I understand that back in the days when cameras captured images using photographic film instead of image sensors, the SLR design was a major innovation. It let you see through the viewfinder exactly ...
9
votes
4answers
779 views

Why the need for SLR in digital cameras?

Excuse my ignorance but as far as I know, SLR was invented in order to get the photographer to see (through the viewfinder) exactly what image will fall on to the film. In digital cameras the image ...
2
votes
3answers
147 views

Can I capture still images on my DSLR at the same rate as shooting HD video? (30 fps)

I have a Canon Rebel T3i DSLR. It looks like it can do 30 fps in HD video mode. However, I'd like to capture still images at 30 fps—is this possible somehow? Would I have to resort to some ...
3
votes
2answers
564 views

Why is the Depth of Field Preview button necessary?

I've looked far and wide but i cannot find the answer for this question. I know some older cameras and lenses used to have aperture rings on them, which allowed the user to set how open or closed the ...
0
votes
0answers
28 views

Looking for a dslr camera [duplicate]

Being a beginner, which camera I should buy?. Canon 1200d or Nikon d3200. I would love to have detailed analysis between them. And suggest some standard lens for that particular camera, for example - ...
26
votes
8answers
3k views

Is it safe to change the lens on my new DSLR?

I recently bought myself a shiny new DSLR camera. Before I can use it, I had to do something kind of terrifying: mount the lens. Now of course, half the advantage of SLR cameras is that the lenses ...
2
votes
1answer
192 views

Does a lens exist that is parfocal, has a linear zoom throw, and is affordable?

I'm working on a project to create, essentially, a servo-powered zoom lens, using a (D)SLR zoom, a zoom ring gear, and a stepper motor. After mounting the zoom ring gear, I'll attach a pinion gear to ...
14
votes
16answers
12k views

Gear for carrying and storing a DSLR on a backpacking trip?

I'm planning on going on a short backpacking trip at the end of this month and would like to take along my DSLR. What are some good options for me to carry and store my camera and a tripod if I'm also ...
23
votes
11answers
8k views

How useful is the top LCD screen on a DSLR?

I don't own a DSLR (yet), so i do not have an opinion on the question, but I'm really curious about the usefulness of a top LCD screen, as found on cameras like the Nikon D90 or d60 and up. Does you ...
2
votes
2answers
406 views

What's the widest wide-angle lens available to Canon Full Frame DSLRs?

Is there anything wider than the Sigma 12-24mm? Are there any attachments I can put on my camera to get an even wider focal length?
3
votes
2answers
90 views

Quickly Move A Circular Polariser Between Lenses

I have sausage fingers and often shoot in cold and wind. I have a 77mm circular polariser and rings that I leave on my lenses that step them up to 77mm. I find screwing and unscrewing the polariser an ...
0
votes
4answers
9k views

What can cause black corners in an image?

There are completely black corners in some of my photos. What can cause it? I have a full-frame Canon 5D Mk II and had the problem with my 24-105 Canon lens recently and have experienced it with my ...
2
votes
1answer
80 views

Nikon D5200 - Dark band occurring on right half of liveview and in videos

OK, here's my story. One day, I noticed that the liveview of my D5200 started to exhibit a darker band/ stripe when exposing in low-light environment. Literally the right half of the screen appears ...
14
votes
3answers
13k views

Do different “Picture styles” affect RAW output?

I was reading again the manual of my camera (Canon 50D, but I am sure that each DSLR offer the same kind of functionality, albeit I don't know the exact names adopted) and noticed the issue of Picture ...
4
votes
1answer
140 views

Hot-swapping batteries in a battery grip

I was thinking how good this would be for long recordings, where for example, you have the camera connected to a computer as an external camera, and then have it running through digicam control: My ...
6
votes
3answers
180 views

How can I measure and duplicate camera orientation on a ball mount?

I have a Pentax K5 with its default lens, and a ball-mount tripod that can hold 17 lbs max. I need to take two shots in two different locations, and have the camera in the same spatial orientation (...
8
votes
5answers
2k views

Will metering from a DSLR apply to a film SLR?

I still like to shoot with film (I use a Nikon F3) but I like the immediate feedback of digital. I'm thinking of buying a used DSLR to help me get the framing and lighting right when I shoot static ...
55
votes
13answers
11k views

Is there any significant difference between Nikon and Canon?

I'm considering purchasing a DSLR for the first time here in the next couple of months. The two "big boys" seem to be Canon and Nikon. I've looked at both companies, and I can't really see significant ...
-2
votes
1answer
143 views

Which DSLR Camera to buy Canon 700D(T5i) vs Nikon D5500? [closed]

I am a beginner with DSLR.My purpose is nature photography and videos. I searched over internet and found Canon 700D at much lower price but Nikon D5500 providing much more features. So I liked D5500,...
4
votes
4answers
6k views

What can I do when my Nikon D5200 gives an SD card error with every card?

My D5200 has developed a problem, every time I turn it on I get the error message "This memory card cannot be used. Card may be damaged Insert another card." I have tried multiple memory cards in the ...
0
votes
2answers
142 views

Why does my camera lens only work with a Polaroid .43x lens? [duplicate]

I got a brand new Canon Rebel T6i and along with it came an ef-s 18-55mm lens, and a Polaroid studio series .43x wide angle lens (which I believe is a telephoto lens). The camera worked fine, but ...
2
votes
0answers
356 views

Why does my Canon 24-70mm L Lens appear to produce higher noise/grain than my 50mm f/1.4 in similar environments?

I just purchased a brand new 24-70mm f2.8 II for my upcoming trip. I've been testing out this lens for the past few days, and have noticed something that I'm a bit confused by. It seems by my tests, ...
5
votes
3answers
3k views

How common are hot pixels on new cameras?

How common are hot pixels on new cameras?! I read that people may check up to 5 cameras at stores to actually find a perfect one, is this true? so how commons is this? what is the chance of getting a ...
6
votes
4answers
5k views

Mirrorless camera vs. mid-range DSLR — how to decide?

I am in the market for a new mid-range camera for still images (not video). I am currently a Canon T2i user. I originally posted the question as: Olympus EM-1 vs. Nikon D7100. But that got me ...
8
votes
3answers
966 views

Using SLR Lenses on DSLR Cameras

I'm just starting out with DLSR photography - I recently purchased a Sony A230 with the kit lens (18mm - 55mm). I know that the lens mount is compatible with Minolta lenses. These lenses were ...
0
votes
1answer
150 views

Digitizing old photos flatbed scanner or dslr?

After plenty of research I realised that flatbed scanners lose the battle to dslr when it comes to scanning negatives as seen in the picture: But what about old basic paper photos? Will an average ...
0
votes
1answer
164 views

Help me choose my DSLR / mirorless camera for video [closed]

I have spent one week of my life already watching videos on Youtube, trying to find a camera for myself. I am searching for a camera which will make filming of my Youtube videos a breeze. But my ...
3
votes
2answers
3k views

How to automatically measure subject dimensions (width/height/distance) without physically measuring?

What methods are used for automatically measuring the dimensions (width/height/distance/etc.) of a subject without having to get in there with a measuring tape? I am just starting to get into ...
31
votes
13answers
4k views

What is the best way to clean the sensor on a digital SLR?

I've got a couple of spots of dust on the sensor of my Canon 20D - a rocket blower isn't shifting them, and I'm ridiculously scared of some of the more direct methods for cleaning sensors -- what ...
3
votes
2answers
165 views

Dead bug on the inner side of the focusing glass — how can I get it out of there?

Today, while taking some photos, I noticed some dirt on my DSLR. After some investigations, I found that it was a dead bug (or it looks like), and it seems to be on the inner side of the focusing ...
2
votes
4answers
157 views

How can I fire two cameras simultaneously with different settings but the exact same view?

I have an idea I want to play around with and I was hoping something already exists for it but google has turned up nothing. I want to use two cameras synchronized to fire at the exact same time and ...