Spring 2012

Spring 2012
by ani

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

20
votes
10answers
16k 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 ...
14
votes
3answers
2k views

Why are DSLR lenses measured in F stops instead of T stops?

I understand the difference between f-stop and t-stop, but why are cinema lenses measured in one, and dSLR lenses measured in another?
4
votes
4answers
486 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 ...
6
votes
8answers
1k views

Would APS-C be better for shooting wildlife?

Considering the magnification effect of APS-C sensors, they theoretically have to extend the zoom range of telephoto lenses. Accordingly, would it be wiser to use an APS-C camera for shooting wildlife ...
4
votes
3answers
6k views

What are the pros and cons of a viewfinder versus a liveview?

Provided a DSLR has both i.e. a viewfinder as well as a liveview feature. Which one is more preferable for focusing and composition, and why? Is there something which can be done through a viewfinder ...
0
votes
2answers
52 views

Nikon D3300 DSLR newbie: Which circular polariser [duplicate]

I am a newbie at DSLR photography and still trying to get my head around the various filters one can buy. I currently have the default 18-55mm f/3.5-5.6 AF-P VR Lens and the Tamron 70-300mm Lens. I ...
1
vote
2answers
257 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 ...
3
votes
3answers
99 views

Is there a way to fixate the diopter adjust knob on Canon DSLR?

Sometimes, without noticing, probably when pulling the camera out of the bag or inserting it, the diopter knob turns by accident and gets the viewfinder out of focus, and ruins by that the manual ...
3
votes
5answers
785 views

What would be a good digital alternative to a Canon AE-1 from 1977?

I would like to purchase my first DSLR camera with similar features and experience to my AE-1 Canon film camera. In particular, I would like a depth of field indicator that shows the depth of field in ...
-4
votes
2answers
84 views

Sharp DSLR with big dynamic range and low iso noise [closed]

I'm looking for my first DSLR and I want it to be sharp (I mean, 5DsR is really sharp but it has low dynamic range), has high dynamic range (like the D810) and has low iso noise. Canon is the one and ...
3
votes
5answers
1k views

Light field based camera or dslr? Which should I choose?

Should I buy a lytro (light field) camera or a dslr one? I know that the light field based cameras are new. Do professional photographers use it? Or will they?
1
vote
4answers
213 views

Native ISO vs Boost ISO. What kind of amplification corresponds to each of them?

As I understood, there's a native range for ISO in DSLR cameras and a boost mode which is usually a bigger range and contains the native ISO. I'm lost a bit here. Which of the following processes is ...
2
votes
4answers
534 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). ...
0
votes
1answer
54 views

Broken photos on dslr [duplicate]

During the last session with my Canon 50D, 4 or 5 photos from 180 appeared to be with artifacts: Fullsize 15Mb Fullsize 7Mb These photos were already broken in preview on camera display, so it can'...
0
votes
0answers
25 views

Green Light of Death Nikon D5500 [duplicate]

After getting my Nikon D5500 back from service, because the mirror was jamming, I noticed full batteries magically draining in record time. I'd have a fresh battery in the camera and by morning said ...
2
votes
2answers
100 views

Attaching DSLR camera to TS100 Microscope

We have a Nikon TS100 Microscope (https://www.nikoninstruments.com/Products/Inverted-Microscopes/Eclipse-TS100) with a camera trinocular - it's designed to be used with a C-mount and a C-mount camera, ...
5
votes
2answers
141 views

What can I, as a software developer, do with “Wi-Fi builtin” mode on cameras?

I'm looking into purchasing a camera. The online specs usually include a field named "Wi-Fi builtin", but rather than expanding on the details, it gives a binary Yes/No answer. What sort of features ...
-1
votes
2answers
178 views

Why choose an APS-C mirrorless kit over a full-frame SLR kit? [duplicate]

The biggest tradeoff between SLRs and mirrorless cameras is compactness for sensor quality. In particular, an APS-C mirrorless kit costs about the same as a low end full-frame SLR kit. There are lots ...
3
votes
2answers
2k views

Do separate autofocus motors exist for entry level Nikon DSLRs?

I have a Nikon D3200, which doesn't have an autofocus motor. Therefore, I'm mostly deterred by lenses that don't have focus motors in them. But the ones that do have it are much more expensive. Take ...
1
vote
1answer
107 views

Full well capacity

As I understood, the full well capacity is the maximum number of charges(photoelectrons) that can be stored in a pixel before a leakage to adjacent pixels and causing problems like blooming. In some ...
0
votes
2answers
36 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
105 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
18k 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 ...
10
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 ...
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
357 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
87 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
658 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
115 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
259 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
212 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
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?
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
111 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
427 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
129 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
237 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
496 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
187 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
64 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
34k 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
105 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
231 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
149 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 ...