Questions tagged [camera-design]

Pertaining to the physical and functional design of camera bodies.

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14 votes
5 answers
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Why isn't my camera body white?

If I leave it in the sun for a few minutes, even in winter, it gets pretty hot. In summer, I'd have to shade it as it has been too hot to touch. This makes remote-triggered wildlife photography and ...
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2 votes
9 answers
439 views

Is deep depth of field AND bright exposure possible?

I know that a larger aperture corresponds to a brighter exposure and shallower depth of field for a given focal length. Is it optically possible for a custom-built camera to form an image with both a ...
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0 votes
2 answers
471 views

What is called when two pictures are combined

Like say, for instance, I saw a picture of the front of a older and newer Toyota Supra like it was transforming and it was cut in half.
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0 votes
2 answers
240 views

Does the Panasonic Lumix DMC-G85 have an internal fan?

When I switch on my Panasonic Lumix DMC-G85, there is a distinct (albeit faint) sound coming from inside the camera body. To me, it sounds like a small fan, not too dissimilar from what you'd find ...
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4 votes
3 answers
601 views

In-body neutral density (ND) filters?

Neutral density filters are apparently widely used across multiple fields e.g. for shallow depth of field in bright light portraiture, long exposure landscapes, and maintaining shutter angle in video/...
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2 votes
2 answers
306 views

Why aren't multi-aspect sensors commonplace on high-end cameras?

I found existing questions(1)(2)(3) about square sensors, but those would be excessive for the purpose described here. Introduction For low aspect ratio photos, e.g. 1:1, 6:5, 5:4, and 4:3, the 3:2 ...
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16 votes
5 answers
4k views

Why can't my custom camera body focus to far distances?

I have built a custom optical device that uses a standard C-mount lens as found on CCTV cameras. Wikipedia states that the flange-to-film distance of a C-mount lens is 17.526 millimetres. I have ...
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4 votes
4 answers
658 views

What are the physical limits that determine a camera's flash sync speed?

We know that Flash Synchronization Time represents the shortest time we can use with active flash in order to avoid the formation of a black stripe in our photos. So, it is very good if it is quite ...
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19 votes
1 answer
3k views

Why do even high-end cameras often still include normal (non-cross-type) AF sensors?

Modern cameras often use two kinds of AF sensor: normal, and cross-type. While normal-type AF sensors notably struggle focusing on high-contrast vertical lines, cross-type sensors, though more ...
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2 votes
3 answers
509 views

Why don't any cameras use time-of-flight systems (like ZCam) for autofocus (and allow extra raw creativity with z-data)?

After reading Why don't DSLRs use laser rangefinders for autofocus? This question come in my head : Why camera don't use z-cam for autofocus (and allow extra raw creativity with z-data) There is ...
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1 vote
2 answers
2k views

Is overheating a typical problem for mirrorless cameras because of their small size?

DSLR cameras are big with lots of heavy metal for the chips (DIGIC etc) to use as a heatsink. But mirrorless cameras are very thin and made lightweight to appeal their consumers. This question came ...
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9 votes
12 answers
3k views

Is there a DSLR/mirorless camera with minimal options like a classic, simple SLR?

I have an Olympus OM-D E-M5. The number of options, multiple ways of doing the same thing, video recording, playback, etc. are making me crazy. What is the closest thing, available today, to my (long ...
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8 votes
3 answers
3k views

Will a pinhole camera work with instant film?

I am making a pinhole camera for a school science fair. Is it possible to use Instax Mini Film instead of the long process of developing photo paper? If so, would I use the same design, and just swap ...
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0 votes
2 answers
170 views

Why do DSLM designs almost never shift the sensor plane all the way back to save on thickness?

A common problem with mirrorless designs is that long, especially adapted or output-telecentric designs, still stick out far more than they would eg on a small film SLR or rangefinder. One obvious ...
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1 vote
3 answers
906 views

How exactly is "flange" defined in the term ''flange distance"

The concept of a flange distance is something I understand on a theoretical level, but not so much on a practical level. It is debatably the most important measurement in the camera, determining the ...
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8 votes
5 answers
940 views

Is it technologically possible for a sensor to run two ISO's at once?

This question (Why don't digital cameras have better dynamic ranges?) combined with a typical sunset photo got me thinking... Exposure differences between sky and ground in a sunset shot are ...
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7 votes
4 answers
641 views

Can we improve phone cameras using separate sensors for each of RGB?

So I was reading all about the multi camera system on the new Huawei P20 Pro which really got me thinking about how we can use multiple cameras to improve image quality, especially in such a compact ...
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-4 votes
2 answers
79 views

Moving Image interesting? [closed]

Do you think we will be able to print moving images soon? Would people buy and use such a camera? I’m working on a new design and technology for a camera. Would be glad to hear your opinions.
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2 votes
3 answers
625 views

Are there any DSLRs that are only manual mode?

I am just wondering if there are any DSLR camera models that are implemented with hyper simplicity, where you are given only full manual control, and dials for those parameters only? I think this ...
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  • 1,038
3 votes
6 answers
4k views

Why do we need a DOF preview button?

Why not just show the effective depth of field, by default? What's the point of having it display a picture that's different to how the image will actually turn out? My first thought was, it must be ...
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30 votes
7 answers
9k views

Why is there "single" in the term DSLR (Digital Single Lens Reflex)?

I have been reading about lenses and I was curious to know why there is a term "single" in the abbreviation DSLR? As far as I have read, the modern DSLRs (for example, the Nikon 3200) come equipped ...
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5 votes
3 answers
316 views

Inconsistency in camera shutter

I was watching this slow motion video of a camera shutter and the scene at time 2:49 puzzled me. All of the mirrors flipped up in sync except for the one in the bottom left shot of the 1/2000s which ...
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2 votes
1 answer
910 views

What is a double shutter camera?

I did a google search and came up with nothing for this question. A scientific PIV paper referenced to a double shutter camera, but there is no explanation on what this is. Any help is appreciated. ...
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4 votes
2 answers
3k views

How many times is the image inverted inside a DSLR camera?

How many times is the image flipped (inverted) inside a standard Digital Single Lens Reflex camera?
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8 votes
1 answer
1k views

Why is the IR filter present when there is already the Bayer filter on an image sensor?

I have been trying to remove the Bayer filter from the CCD image sensor of my camera. Now I see there's an IR filter before the lens, however I don't understand the point of it because isn't the Bayer ...
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6 votes
2 answers
552 views

Why are rangefinders not directly above the lens?

It seems the biggest gripe about rangefinders (vs SLRs) is that your shots are not quite what you see, there is a parallax error due to not seeing through the lens. Which makes me think, if you put ...
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10 votes
3 answers
3k views

How do SLR lenses connect to the body?

I recently bought my first SLR camera and lens for it and I have questions about how they interact. My lens attaches on, and I can use the focus on the lens itself, but if I use the auto-focus, does ...
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0 votes
1 answer
137 views

3D model file searching for Sony QX1

I am looking for Sony QX1 3D model file. Because I want to add the integrated circuit on QX1. Actually I don't known that this question to ask in here. Sorry if I have mistake. Sorry my language. ...
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1 vote
1 answer
197 views

Is it possible to use a single image sensor to capture a stereoscopic image?

I was wondering if there is a way of splitting a digital image sensor's surface in two and using it to capture a stereo version of an image, maybe using some clever optical system with mirrors (like ...
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5 votes
5 answers
875 views

Why do cameras use a slit between two curtains rather than exposing the entire sensor instantly?

Why is it more effective to use "a slit travelling from top to bottom of the sensor" in faster shutter speeds, rather than exposing the entire sensor instantly? And the slit thing only comes in fast ...
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2 votes
2 answers
151 views

Have lens/camera bodies been repairable by the consumer/user back in the day?

Context I've been skimming LensRental and related websites and I see most all modern lens are extremely complicated, intricate, expensive but they work, mostly. I see that with a7rII, there is an ...
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8 votes
6 answers
4k views

Why do DSLR cameras still use monochrome LCD as their top displays?

It's 2015 now. Why do DSLR cameras still use monochrome LCD as their top displays? A raster graphics display screen would be more useful and could display more different information.
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2 votes
2 answers
356 views

Is the anti alias filter really a blurring filter?

I'm trying to dig into the nature of how the anti aliasing filter works. This is of importance to me as I need to capture small details at the very edge of the resolution limit of the cameras lens as ...
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  • 123
1 vote
2 answers
3k views

Is it coincidence that Nikon F lenses can fit a Canon EF body (with an adapter)?

A Nikon F mount lens is small enough to fit (via an adapter) into a Canon EF mount camera. Is this by design (IE did Nikon design the whole bayonet to be small enough, or Canon design the EF to be ...
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1 vote
2 answers
561 views

Why don't cameras have automatic eyepiece covers?

The question is clear and I am not sure how to further explain it. Why don't cameras have internal automatic eyepiece covers?
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9 votes
5 answers
4k views

Why don't people care any more about shutter speed accuracy?

With most old (film) cameras people were concerned about shutter speed accuracy at all speeds even if it was an electronic shutter. Nowadays, people seem not to be concerned with this when buying ...
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1 vote
1 answer
188 views

Does sensor type affect image quality? [duplicate]

I've recently discovered snapsort.com and use it to compare other cameras with the one I own. When comparing Pentax k10D with the K-x model I learned that the K-x has a CMOS sensor and that CMOS-...
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  • 113
1 vote
3 answers
1k views

Why did Pentax change to open-aperture metering when this causes the need to stop-down for old lenses?

On my Pentax ME Super with a legacy lens (Pentax SMC 50mm 1.7) my camera meters at all aperture ring settings. Yet, if I transfer this lens to a modern Pentax DSLR, I need to stop down the lens to ...
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2 votes
2 answers
2k views

CCD sensors use a digital shutter. Why don't the more expensive CMOS sensors?

This answer mentions that CMOS sensors "cannot" use digital shutters where as CCD sensors can. Even if some models have the ability to, it is certainly typically for CMOS sensors to use mechanical ...
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  • 2,644
1 vote
2 answers
7k views

What kind of plastic is used for good camera bodies?

My Canon DSLR camera bodies are made with glass filled plastic over aluminum skeleton. What is glass filled plastic? It doesn't have the same cheap feeling as common plastic items. I've seen knife ...
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4 votes
2 answers
654 views

What is the maximum aperture consistent with the Nikon F-mount?

In a related thread, it's been debated whether there is a hard limitation to maximum possible lens aperture; it seems there is none. However, using the example of the nikon F mount, this technical ...
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  • 186
2 votes
2 answers
251 views

How does a camera meter light when the shutter is closed?

I have read when we check the image from viewfinder, we can set the aperture, shutter speed and ISO based on the light coming through the shutter. But, only when we click the shutter release is the ...
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3 votes
4 answers
744 views

Why do you need a viewfinder in MILC?

What are the main reasons for choosing a mirrorless camera with a viewfinder?
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  • 189
1 vote
1 answer
122 views

Does the position of the flash in compact cameras make a real difference in reducing red eye?

I am interested whether the position of the flash at the three examples of point and shoot cameras below would avoid or at least decrease the red eye effect. Or do you feel that all flashes are still ...
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  • 857
4 votes
2 answers
3k views

Why are there no full-frame lenses with leaf shutters?

I see that many medium format lenses are made with leaf shutters, which allow much faster flash syncing speeds, so why doesn't anyone put them in FF lenses?
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  • 550
14 votes
1 answer
2k views

What does the pentaprism/pentamirror do?

In an SLR, the light bouncing off the mirror goes through a pentamirror or pentaprism before being reflected to the viewfinder. However, it seems to me that it would be possible to project an image to ...
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19 votes
3 answers
2k views

Why don't cameras have autofocus points in the edges and corners?

On all the DSLRs I've used, there are never any autofocus points near the edges and corners. Why is that?
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  • 2,521
-6 votes
5 answers
440 views

How can I get the top people of a camera brand to listen to a design idea I have? [closed]

I'm trying to make your next new top-end camera work much better. I need help doing so. I'm seeking to contact someone as high up the command chain as possible in the Sony electronics /camera ...
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-2 votes
4 answers
402 views

Why aren't devices with two cameras more popular?

I mean a device that has two sensor / lens combinations. I can see several advantages: Capturing photos with a higher dynamic range. Focus bracketing. Capturing multiple photos and merging them to ...
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4 votes
7 answers
9k views

What is the benefit of a vari-angle LCD monitor on a camera? [duplicate]

Nikon D5100 (which I am thinking to buy) has a vari-angle LCD monitor. What benefit does it add? Can you take your own self-portrait snaps like this? Is it practical or is it a non-cashable worth-...
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