Nidelva river through Trondheim Norway

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This tag refers to to physical size of a camera's sensor.

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2answers
101 views

Will a DX lens have severe vignetting on a 20x20mm?

I'm going to work with a camera, a Photron AX100, which has a non-standard 20.48x20.48 mm sensor, but has an f-mount bayonet for lenses. I was wondering if it would work with DX lenses without ...
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5answers
301 views

Maximum distance between the camera and a specified object when the object is still visible on the picture?

Theoretically, what is the minimum distance between the camera and an object, where the object begins to not be visible ? Suppose that a camera has f as focal distance and the sensor size 2/3" and the ...
0
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2answers
82 views

How can cameras have the same number of megapixels even when the sensor size differs? [duplicate]

The image resolution for the respective megapixels remains the same whether the camera is of medium format or full frame or APS-C or even mobile phones. However the sensor sizes differ in these ...
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2answers
72 views

How can you calculate sensor size?

I was looking at an old question about bigger pixels and whether they make for a better picture here Why and how do "bigger pixels" make a better picture? and one user, Philip Kendall, ...
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5answers
243 views

Does sensor size impact the diffraction limit of a lens?

My understanding of diffraction, is that with a small aperture the 'airy disk' (which I understand is the pattern light from a given direction relative to the lens will form on passing through the ...
0
votes
2answers
141 views

Does F number stay the same between 35mm and Medium Format?

Rented a medium format camera to see "what is this medium format look" everyone talks about! and evaluate if it is awesome enough to start saving money for it or not. So my own camera is a Nikon ...
0
votes
1answer
39 views

CCD compared with CMOS [duplicate]

CCD is being replaced with CMOS. I get better pictures with CCD. In a medium format camera the CCD size is bigger than CMOS, it provides more details. The only problem I suffer is CCD produces noise ...
0
votes
3answers
137 views

Which smartphone camera would give better low-light picture results?

Just interested in choosing the right smartphone for lowlight photography I have following contenders. Option 1 has 16 MP, Aperture f/1.8, OIS, with sensor size 1/2.6" and 1.12 μm pixel size Option ...
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votes
5answers
293 views

Why does it seem like large sensors are necessary for good low-light performance?

Phone manufacturers have recently started advertising the size of the photosites on smartphone camera sensors. They argue that larger photosites lead to better low-light performance. I think a good ...
3
votes
3answers
207 views

Does a full frame with a teleconverter perform better than an APS-C without a teleconverter?

Context Putting a teleconverter on a full frame lens magnifies the center of the lens but gives more reach due to that with some drawbacks. I've rediscovered focal reducers that do the opposite, ...
0
votes
1answer
89 views

What camera used the largest EXR sensor, and which one offered the largest EXR pixels?

I learned to appreciate Fuji's EXR sensor technology for travel and reporting photography when I used a Fuji X10. But like with all compact cameras, I feel a larger sensor and / or pixel size would ...
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votes
3answers
211 views

If I set my camera to lower resolution, does that mean more sensor area per image pixel?

My camera is the Nikon D3200 and the specs state that it has a Sensor Pixel Area of 14.85µm2 @ 24MP. When i set my camera to JPEG (fine), I have the ability to set the picture size. Would setting it ...
1
vote
3answers
661 views

What does a megapixel designation on a lens actually mean?

I know that in a CMOS sensor the megapixels give you an idea of how many pixels are actually there to capture the light. In terms of a lens however, I cannot find any relation between the megapixels ...
1
vote
4answers
182 views

How does “crop factor” relate to the area of a sensor compared to full frame?

What is meant when someone says that a 1/2.3 sensor has a crop factor of 6.22? How many times the area of a 1/2.3 sensor is a full-frame sensor? Please include plenty of details. Another ...
3
votes
1answer
83 views

Sony Full Frame E Mount Sensor Corners

Context I've seen the Canon 5D Mark III, Nikon D750 and A7R before. The sensor placement of the Nikon and Canon reveals the whole sensor if you look "down" the mount on the camera. On the A7r though ...
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2answers
257 views

Other than the vignetting, what am I missing by using my Nikkor 35mm f/1.8 DX on an FX camera?

I recently upgraded from Nikon D3200 (DX) to Nikon D750 (FX). I had the the Nikkor 35mm f/1.8 DX lens - which now I have started using with the D750 I have read everywhere that the DX lenses use just ...
1
vote
2answers
226 views

Why is FF sharper than crop body for the same framing of the same object?

Take an FF body and a crop body, with similar MP rating - and the FF body will give a sharper image of the same object. At least, that seems to be the case - as here: ...
2
votes
2answers
248 views

How do you calculate the focal multiplier of a non-full frame camera?

I'm currently using a Sony RX100 Mark 3 camera and want to buy a Canon 6D + 24-105 F4 L lens from an online retailer, which is not in my country. (before continuing I'd like to state that there are ...
4
votes
1answer
175 views

Can a teleconverter make lenses designed for a “crop” sensor cover full frame?

I have a crop lens. Can I fill a full-frame sensor adding an appropriate tele converter (focal length extender? Specifically, I have a 1/2" C-mount lens and terrible vignetting on a full frame camera. ...
2
votes
1answer
40 views

DoF app: should I round the image format/width up or down?

The DoF app I have calls for the sensor width to be set. The specs for my Sony α33 say the image format is 23.4 x 15.6mm. Do I dial-in the 23.4 or the closest to it? If I must go slightly ...
0
votes
3answers
136 views

When you set a lower image size, are you using the whole sensor size or just a portion of it? Could it even affect depth of field?

I am trying to increase the depth of field on my shots. Since a smaller sensor size could get me a wider DoF, I wonder if reducing image size (keeping same aspect ratio) is equivalent to reducing ...
2
votes
2answers
115 views

Can I calculate my phone's sensor size from f-stop, focal length, max aperture, or other metadata? [duplicate]

Could I work out sensor size of my phone from these info: F-stop= f/2.6 , focal length = 3mm, max aperture = 2.8 and others info like: resolution unit, exposure time?
0
votes
1answer
700 views

Camera sensor size vs pixel size and focal length [closed]

I've already seen the answer about the crop factor. I'm writing a small software for motion tracking (from two cameras, videos) in 3D space and research. To do that, I need some information about ...
6
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2answers
192 views

How does sensor size affect the brightness of an image given the same field of view and aperture?

Lets say we have two image sensors, each one with 1MPixel resolution but differing in size. The first sensor has the size 1/3", the other one 1". Each sensor is equipped with a suitable lens (for the ...
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0answers
63 views

Quilted/Tiled Image Sensor: How do you eliminate stripes of missing photos in huge quilted sensors?

Background: This question is largely inspired by one of the answers in: What limits the size of digital imaging sensors? So the answer mentions uber-large image sensors that are made by "quilting" or ...
0
votes
1answer
225 views

What full frame lens for my new FX camera would be nearest to 18-105mm on my old DX-format D7000?

I've just gone 'up' to a full frame camera, the D610. Now I have to buy all new lenses. Which would be the nearest to my old 18-105mm that I had on my cropped D7000?
0
votes
1answer
1k views

Will the Sony FDR-AX100 really be better in low light than the Sony FDR-AX33, even though the latter has a faster lens?

I see that Sony FDR-AX100's lens has opens at f/2.8 while Sony FDR-AX33's lens opens at f/1.8 I am often doing photos (Canon 6D) or videos in places where a f/1.8 lens would be a great advantage over ...
1
vote
2answers
1k views

How can I know the focal length and sensor size of my webcam?

I have this webcam: QHM495LM WEB CAMERA and I need to know its focal length and its sensor size, but in the specs of the webcam, it only gives me this information: • Inbuilt sensitive microphone and ...
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votes
4answers
5k views

How can a super tiny iPhone 6 Plus lens produce significant DOF?

According to Apple specs the iPhone 6 Plus thickness is 0.28 inch (7.1 mm) and the lens length is only a part of that. And according to an article I found, Depth of Field is a function of "aperture ...
0
votes
3answers
111 views

Will using a DX lens on an FX Body compromise ISO performance? [duplicate]

In terms of ISO, is the ISO performance compromised? Say I was using a 50mm DX on my FX body, would I have a lower quality ISO performance vs an FX 50mm on my FX body?
1
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0answers
31 views

For the same attainable sensitivity, how does DOF depend on sensor size? [duplicate]

It's well known that all other settings being the same, larger sensor translates into a shallower DOF. However, for the same number of pixels, doubling linear size of the sensor size would quadruple ...
1
vote
4answers
197 views

Does the crop factor affect the field of view (FOV)? [duplicate]

I'm working on smartphone cameras. I want calculate Field Of View of different smartphone cameras using the formula : FOV = 2 arctan(SensorSize/2f) where: f is the focal length sensor size is the ...
7
votes
3answers
460 views

Is there a “special look” to images from large sensors that can't be replicated with a smaller one?

A popular statement in the world of photography is that there is a "special look" to images captured with larger sensors/film formats that you simply can't get from smaller sensors. I fail to see that ...
2
votes
5answers
45k views

So my iPhone 6 camera lens is as wide as my full frame 35mm DSLR lens?

I am trying to understand what is the deal with "full-frame" and what difference it makes, so did a silly test: I sat at my bed and aligned the iPhone 6 camera with the door of the room and took a ...
3
votes
2answers
223 views

Can I reproduce a photo taken with a larger sensor by converting camera settings to their equivalents?

I was going through Flickr looking at photos taken with a Canon SL1 and came across a cityscape photo taken at night with a very dark sky. The photo is beautiful. Using the kit lens, the settings ...
2
votes
2answers
786 views

How to estimate camera sensor size?

I am using a smartphone for capturing photos and I need to estimate the camera sensor size (mm*mm). I have the resolution (in pixels) and the focal length (in pixels). I can also measure the size of ...
1
vote
1answer
107 views

How to overlay the image scaling based on the user distance & focal length

I'm overlaying images on the cameraView and based on the user input of room width & height. The images are displaying proportionally to width & height ratio. but i need to overlay the images ...
3
votes
3answers
1k views

Is there a benefit to using a FX body when using DX Lenses?

I have a Nikon DX D3200 and I want to switch to an FX Nikon D610. I know I can use my DX lenses on the FX body and I don't have enough money to replace them with FX lenses. Both bodies are 24MP but ...
-1
votes
3answers
571 views

Is it true that cameras with larger sensors are more likely to mis-focus under low light?

I use a Sony NEX-5R, and my single biggest problem with the camera is that it often mis-focuses under low light. I shoot a lot of low-light photos, and I work around it by using manual focus. I have ...
2
votes
2answers
170 views

What is the real focal length of the Lytro Illum

According to Lytro, the Illum Light-field camera will have a 30-250mm equivalent focal length with a constant f/2.0 aperture. What is the actual focal length of the camera? Or, What is the sensor ...
7
votes
3answers
872 views

Why do depth of field calculators show *more* DOF for larger formats with the same lens parameters?

I thought I had a pretty good seat of the pants understand of DOF. But I've been playing with DOF calculators and it's giving me results that don't line up with my practical experience, so I'm ...
1
vote
2answers
109 views

Same mfg process = same performance in FF vs. cropped sensor?

I've seen generalizations that full-frame sensors tend to exhibit better low-light performance and dynamic range than a cropped-sensor specifically because they tend to use larger photosites that ...
1
vote
3answers
5k views

Is the formula for object image size given focal length, etc. independent of sensor size?

I am trying to figure out how big an object of, say, 50cm height at 100m distance and 600mm focal length would appear on a camera's sensor. The ubiquitous formula object size in image = focal length ...
7
votes
7answers
2k views

Does a larger sensor resolution increase the difficulty of shooting hand-held?

I'm thinking of upgrading to a D800 and I think I read something about the 36MP resolution of the sensor to be a liability when hand-holding the camera at lower shutter speeds. Unfortunately I cannot ...
3
votes
2answers
262 views

Does the quality of images from a small sensor improve significantly year-to-year?

As I understand it, larger image sensors on digital cameras make for higher quality pictures, but does a given size sensor produce significantly higher quality this year from the same size sensor of ...
3
votes
4answers
635 views

Is there anything in medium format systems which can beat pro-level 35mm digital with fast lenses in low light?

When someone wants to compliment a 35mm sensor, he can say that it's [almost] as good as medium format. Medium format appears to be the gold standard where image quality is concerned. But. I'm ...
0
votes
2answers
103 views

Does a smaller sensor limit your choice of subject matter?

Is there a major difference in terms of what you can photograph with different sizes of sensor? By having a smaller sensor, can you be limited in taking pictures of certain types of subject? If so, ...
1
vote
3answers
965 views

How does sensor size impact depth of field and diffraction for macro photography?

Macro photographers often stop down to very small apertures to maximize the razor thin depth of field when operating at such close focus distances. Smaller sensors have greater depth of field than ...
2
votes
3answers
2k views

Why is zoom avoided in large sensor compacts?

Why don't large sensor compacts (for low light shooting in moderate distances) with, let's say, 10x zoom exist? I'm primarily thinking about models such as Sony RX100 or Canon G1X that come in a ...
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votes
1answer
119 views

What is the difference between f/6 in dx and fx lens? [closed]

What is the difference between f/6 or f/1.8 in dx and fx nikkor lens?