Questions tagged [sensor-size]

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

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83
votes
6answers
37k views

What is “angle of view” in photography?

I read on the Lens Buying Guide @ neocamera: Focal-length determines the angle-of-view seen through a lens for a given sensor-size. With a full-frame sensor a lens gives the same angle-of-view ...
45
votes
11answers
10k views

What is crop factor and how does it relate to focal length?

I'm reading that a 50mm lens is recommended as a first prime lens for DSLR owners as it's supposed to give a 'natural' perspective, but when used on (most) DSLRs, the view is cropped, as if you were ...
118
votes
9answers
49k views

When do the differences between APS-C and full frame sensors matter, and why?

I'm trying to decide on a higher-end digital SLR, and I'm down to choosing between an APS-C model and a full-frame model. I understand that the sensors are of different sizes, and as such have an ...
23
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9answers
6k views

Can a smaller sensor's “crop factor” be used to calculate the exact increase in depth of field?

If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame camera,...
29
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6answers
11k views

Is there a difference between taking a far shot on a 50mm lens and a close shot on a 35mm lens?

I am looking for a prime lens to pick up, and I'm wondering if there is any difference between 35mm and 50mm in terms of the end product if I just stand back more with the 50mm. I use the Sony a6000 ...
7
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6answers
1k 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 ...
36
votes
6answers
26k views

Why does a bigger sensor lead to a shallower depth of field?

It has been mentioned at a few places that a larger sensor results in images with a shallower depth of field. Example image: APS-C Canon 30D left, FF Canon 5D right, same lens, same composition, ...
6
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2answers
8k views

How do you determine the acceptable Circle of Confusion for a particular photo?

I've noticed that several online and/or downloadable Depth of Field Calculators use different values for the acceptable CoC (Circle of Confusion) for some of the same camera models/sensor sizes. This, ...
38
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3answers
29k views

Why is a 1" sensor actually 13.2 × 8.8mm?

I'm wondering how sensor sizes are calculated. The Sony RX100 reportedly has a sensor size of 1" which is 13.2 x 8.8 mm according to the press release and various sites. How does that work? That's a ...
20
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7answers
8k views

How does background blur (bokeh) relate to sensor size?

This is a somewhat theoretical question. Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5). Now suppose I exchange the camera ...
32
votes
14answers
28k views

How do Micro 4/3s cameras compare with DSLR cameras?

What are the major (and perhaps more subtle) differences between the newer Micro 4/3s format in comparison to the well-established DSLR cameras? What are the pros and cons of the Micro 4/3s format, ...
25
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9answers
6k views

Are full-frame cameras bad for sports photography?

I was reading about crop factor from various places on the internet, and the general idea that kept building in my mind was that full-frame cameras are good for wide-angle shots but not that good for ...
4
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5answers
5k views

Does sensor size affect lens distortion?

There was recently a video posted about how different focal lengths affect portrait photography, specifically how distortion at smaller focal lengths have more distortion and are less flattering. So ...
2
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5answers
1k 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 ...
23
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7answers
11k views

Why are larger sensors better at low light?

The top answer of What point and shoots are good in low light conditions? says that (1) a fast lens/wide aperture (2) reasonable ISO 400+ handling and (3) a large sensor when put together are critical ...
5
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1answer
2k views

what's the relation between sensor size and image quality (noise, dynamic range)?

I'm reading this description on sensor size: Digital compact cameras have substantially smaller sensors offering a similar number of pixels. As a consequence, the pixels are much smaller, which ...
12
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6answers
34k views

Do I need a full-frame camera for low-light photography?

I primarily shoot low-light photos, and I upgraded from a point-and-shoot to the Sony NEX-5R (which has an APS-C sensor) a few months back. However, I find that the low-light performance of the NEX-...
1
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3answers
1k 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 ...
26
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5answers
21k views

Why and how do “bigger pixels” make a better picture?

This is going off of today's iPhone 5S announcement, when Phil Schiller said that "bigger pixels" is the key to a better picture. What does this mean? Is it true or just a marketing ploy?
12
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4answers
2k views

Would it be possible to make a 36×36 mm “full frame” sensor?

since all lenses are round, full frame cameras' sensors can be 36 × 36 millimeters. Correct? Is it possible, and if so, why it has not been done yet? Would that qualify it as medium format?
1
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3answers
1k views

Do lens hoods need to be matched to focal length?

Is it true that not all generic lens hoods work on all lenses (provided the filter diameter matches, of course)? I read that the focal length plays a role in it - but I cannot find such readings on ...
4
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5answers
2k views

What significant improvement will I get if I upgrade to Canon EOS 6D from EOS APSC 600D?

I already have Canon EOS 600D and I am thinking of upgrading Camera now after 5 years but I am confused over Canon 6D which is a bit costlier for me and the newer Canon EOS 80D which is in my budget. ...
2
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4answers
516 views

How does the smaller mirror in APS-C cameras offer these advantages?

As Wikipedia says here The smaller mirror used in APS-C cameras also allows optical elements to protrude further into the camera body, which enhances the possibilities for wide angle and very wide ...
2
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5answers
15k 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
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3answers
588 views

Fancy technology cropped vs old technology full frame - Which will give better images?

After selling my 1Dmk2 last year the time has come to get myself a new body, all along I'd decided that I wanted to do more "wow" pictures, big landscapes and do some more portait photography (up ...
2
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2answers
2k 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
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2answers
4k views

How to achieve full-frame look/view on a crop-sensor - without changing the lens?

I have a Canon 600D, which is crop-sensor camera. If you're shooting with a Canon EF 50mm, it'll be (50x1.6) = 80mm on a normal full-frame body right? I'm also a street-photography-kinda guy, which I ...
1
vote
2answers
15k views

What is the difference between DX format and FX format lenses, and which to choose for what purpose?

http://www.nikon.co.in/products.php?categoryid=1011 What is the difference between DX format and FX format lenses, and which to choose for what purpose? What are the pros and cons of both?
2
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2answers
2k 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: http://www.the-digital-picture....
1
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4answers
379 views

Do full frame sensors have a higher exposure? [duplicate]

I was reading a piece on the comparison of APS-C to full frame sensors. In this article, it mentioned that full frame sensors can have larger individual "photo sites", and can therefore capture more ...
6
votes
2answers
822 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 ...
5
votes
6answers
4k views

Is small sensor always a bad thing?

I own a DSLR. I want to buy some not-too-expensive compact, and there are a lot of compacts in the range 100-250$ with 1/2.3" sensors. Can such a sensor/camera set give a quality somewhat comparable ...
4
votes
1answer
668 views

What Do I Gain from Moving to a Full-Frame DSLR? [duplicate]

Possible Duplicate: Why do the differences between APS-C and full frame sensors matter? I'm on my 3rd Nikon DX DSLR (D70, D80 and now D7000). I've enjoyed each camera and the advances brought by ...
1
vote
2answers
962 views

Which sensor “full frame” vs. APS-C (1.6 crop) gives more distortion?

Which sensor "full frame" vs. APS-C (1.6 crop) gives more distortion using the same lens? I mean, would a 10mm lens on a full frame camera show more or less distortion than if it were on an APS-C (1.6 ...
1
vote
2answers
285 views

Big sensor and landscape photography, DoF

I've been an owner of point & shot cameras for some years. Now, I'm considering to move to bigger sensor cameras (4/3, asp-c) because I really hate the noise that small sensors produce on low ...
0
votes
3answers
2k views

6D or 80D for upgrade from 100D? [closed]

I am about to buy a new camera. I stepping up from a Canon 100D. I mainly focusing on portrait, fashion and street photography. 100D done well so far as a hobbyist but I really feel the need to step ...
1
vote
4answers
504 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 ...
5
votes
1answer
438 views

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why?

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why? For example purposes using a 35mm Full Frame digital sensor where the pixel ...
2
votes
2answers
1k views

Is there really a difference between crop and FF sensors anymore in regards to pic quality? [duplicate]

It seem to me that everything is a numbers game. Better lens better ISO technologies better more modern camera etc etc. These days a canon 80D ...Is it really that much different picture quality then ...
1
vote
4answers
871 views

Does sensor size always matter in all situations?

I recently bought a Canon SX720 camera which has the sensor size 1/2.3". It's probably the smallest sensor size. Some good camera smartphones such as Apple's 7 Plus has got 1/3" sensor. Does that mean ...
14
votes
11answers
16k views

Is there a noticeable difference in image quality between Micro Four Thirds and APS-C entry-level DSLR cameras?

I am thinking about either buying a Nikon d3400 (APS-C or an Olympus OM-D EM-10 mkii (M4/3). In principle I would prefer the Olympus, as it is much smaller and could fit in a jacket pocket. However ...
5
votes
2answers
551 views

How does a DX-format sensor support FX lenses?

I have a Nikon D3200 camera. I want to buy a prime lens. I read some reviews online and understand that the "Nikon AF-S NIKKOR 50mm F/1.8G" would be a good lens to buy, but this is a FX lens. Can ...
5
votes
3answers
2k views

Where does the price premium of full-frame come from?

Full-frame cameras are much more expensive than APS-C ($2000 vs $500). How does this price difference break down into: The per-unit cost to manufacture an APS-C vs full-frame sensor? Smaller market ...
4
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3answers
2k 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, ...
3
votes
4answers
1k 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 ...
2
votes
1answer
85 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 over/...
1
vote
3answers
2k 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
2answers
282 views

Grain and noise: will full frame solve this?

I have a Canon 600D with a Canon 70-200 f/4L (non IS). Now, when it's sunny and bright the images are splendid, but as soon as it becomes a tad cloudy and gray, noise and grain starts to become ...
4
votes
6answers
112k 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 ...
4
votes
2answers
4k views

How does sensor size relate to image resolution?

How is it possible that with a particular sized sensor (say APS-C) it is possible to get different sized image cameras (by this I mean a 10 megapixel camera, a 15 megapixel camera etc)? Where does ...