Napioa - Wind Origins

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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 ...

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0
votes
1answer
68 views

Full well capacity

As I understood, the full well capacity is the maximum number of charges(photoelectron) can be stored in a pixel before a leakage to adjucent pixels and causing some problems like blooming. In some ...
0
votes
2answers
31 views

How does “Unity Gain ISO” differ from Native ISO?

Native iso is "the sensitivity you get without amplifying the analogue signal you get from the sensor". Unity gain ISO is "the ISO of the camera where the A/D converter digitizes 1 electron to 1 data ...
1
vote
2answers
96 views

How to programme EOS utility to take n number of shots?

I just installed the EOS utility program and wanted to know if it's possible to tell the program to take let's say 10 or 15 or 40 shots in a row, well you get the idea.
7
votes
8answers
16k views

Why am I having trouble getting sharp results with my new DSLR, compared to a point and shoot?

I'm having issues with my new Nikon D3200. I am new at photography, but I've previously used my parents camera (a Canon) for my brother's senior photos, and those were crystal clear. I've got this ...
2
votes
4answers
506 views

How do I permanently set continuous mode on the Nikon D5100?

I'm traveling and I don't have access to my manual, so I'm sorry if it's in there. I flip between modes a lot and tend to use full auto (when family doesn't have patience for me to set something up). ...
4
votes
4answers
372 views

How can I connect multiple Canon dSLRs in parallel to a computer?

I want to connect a couple of Canon cameras with my computer in such a way that a single click both captures images and stores them on the computer. I am trying the same in c#. Actually, I have ...
0
votes
0answers
77 views

How can I fix the dark corners on the rear LCD of my Nikon D7000?

I have a Nikon D7000. The rear LCD is showing some dark shadows. All four corners have this dark shadow but the shadows on upper and lower corners on the right side of the LCD is bigger. At first I ...
9
votes
5answers
2k views

Is there really no way to power a DSLR by USB?

I made some scripts on my Raspberry Pi to automate a daily shot at a specific hour. My DSLR is plugged in through USB. I thought this would keep its battery charged, but no. Is there really no way ...
18
votes
9answers
15k views

Do digital cameras lose picture quality over time?

For some reasons when I look at my first pictures from my camera (DSLR), they look stunning. I know it could be just psychological. Another friend told me that her camera was really good when she ...
20
votes
4answers
10k views

What is meant by the “native ISO” when talking about DSLRs?

The new Nikon D7000 is out, and a lot of previews has touted the "native iso" of D7000 to be 100. What does this actually mean? I'm assuming it means it performs at its best at iso 100, which means ...
1
vote
3answers
315 views

Old Sigma 18mm lens causes Err 01 on Canon DSLR

I've bought a Sigma 18MM 3.5F Ø72mm Autofocus for a Canon SLR. The thing is that I've got a Canon 40D so I made a mistake I think. The lens only works the aperture is set to f/3.5; any other aperture ...
3
votes
2answers
64 views

Spot meter indication point when in “auto” autofocus mode with Nikon cameras

I want to use the spot meter but in addition the completely automatic auto focus mode with a Nikon DSLR camera. Is there a way to make the spot meter position visible? I see it in "group mode" and ...
4
votes
1answer
554 views

How to invert color negative “scan” via DSLR without clipping the red channel?

I am trying to convert color negatives into positives and struggling with removing the orange mask and getting usable colour after inverting. It seems that I constantly clip the red channel no ...
1
vote
1answer
113 views

Trade-off between image quality and compactness [duplicate]

I realise I am asking what will be one of the most common questions among first-timers looking to purchase cameras, but comparing statistics is not very useful and I am after some personal opinions: ...
11
votes
2answers
3k views

What are the technical advantages and disadvantages of mirrorless?

The main doubt one can have about mirrorless is, I think that they do not provide ttl viewfinder. Is this a big disadvantage? In what way is it worst (or best) than classical reflex system? What are ...
2
votes
1answer
240 views

Can a broken CF card break a camera?

I recently made a stupid mistake of putting a broken CF card back into my Canon 350D. The result of this was that now the camera only shows "no CF" on the LCD, but refuses to do anything else. No ...
9
votes
2answers
3k views

Does Nikon offer something like an API for developing 3rd party hardware?

I was wondering if Nikon has an API available for developing 3rd party hardware like the Satechi Intervalometer that I am currently using. I've got some cool ideas for some 3rd party hardware add-ons ...
1
vote
2answers
207 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, ...
48
votes
11answers
6k 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?
0
votes
1answer
72 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
109 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
413 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
111 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
150 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
482 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
121 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
61 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" ...
10
votes
10answers
32k views

Can I shoot a photo with my DSLR without the lens on?

I thought it would be interesting to see what kinds of effects I could get by shooting a photo without any lens on my DSLR. However, when I take the lens off, it tells me that no lens is attached ...
0
votes
1answer
93 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
67 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
215 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
142 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
63 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. ...
58
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
777 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
126 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
523 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
148 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 ...
13
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 ...
1
vote
4answers
169 views

Non-DSLR Beginner Camera choices

I've been wanting to get into photography as a hobby for a while (I've been restricted to getting creative with screenshots in video games in the meantime), but the main thing that's been keeping me ...
2
votes
2answers
340 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
84 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
7k 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 ...