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80

Originally, film formats were arbitrary and specific to each camera model, but eventually some standards emerged. Even within the standards, there's a whole lot of 'em to choose from. But here's some common formats and a bit about their histories: 4:3 Thomas Edison's lab chose this aspect ratio for silent film, and it became the standard. No one knows ...


15

Here's a dirty little secret: 35mm film has no aspect ratio at all until it is exposed. It is just one blank piece of film a specific width (35mm) and any practical length with perforations occupying the outer edges that leave a 24mm wide strip in between the perforations. What determines the dimensions of the photo is the size of the film plane each ...


14

My short answer: Always make images with your full sensor, and crop in post. In your case that's probably 4:3. Why throw away data sooner when you can do so later if necessary? (Of course, this may be moot if you're shooting in raw and get all the data regardless of the in-camera crop. In that case, shoot with whatever suits your fancy, since you can always ...


11

The two most common aspect ratios are 4:3 and 3:2. You will also see a significant number of 1:1 (square) photos and 16:9 ("widescreen") images. 3:2 is the aspect ratio of 35mm film cameras, and that has carried over to most DSLRs, both the APS-C size and "full-frame". Most compact digital cameras, along with the Micro Four Thirds interchangeable-lens ...


11

It's not the size; it's the shape. Specifically, it's the aspect ratio. That's the relative "squareness" of a photo format. For various historical reasons, there are a lot of different ones, and, as you've noticed, they don't line up. See What historic reasons are there for common aspect ratios? if you're interested in exactly why we ended up in this ...


10

As others point out, there is no standard. I personally use somewhere between 2:1 to 3:1. I like 3:1 because 36x12 inch frames are easy to find and therefore cheap.


10

A few Panasonic cameras actually do have wider sensors to match 16:9. However, this hasn't really catapulted these models to success, or caused a lot of other camera makers to follow. If this were important in the market, you'd think that it would, just like the launch of the Sigma DP1 paved the way for a new class of large sensor, fixed lens compact ...


8

I personally only crop when, aesthetically, it has a lot to do with the subject or the limitations of having to simply take the photograph with the 3:2 aspect ratio with the camera. For example, I took a photo of a mate of mine in landscape when I could have, in hindsight, tilted the tripod mount to portrait and taken it, but because I was in the shoot ...


7

While you can drag corner handles and hope to get it right, the easiest way is to press the X key on the keyboard.


6

There is no set rule for this; it all depends what you want to photograph. If a photo is wider than a 4:1 ratio, it will look a bit too thin, but you could shoot a whole 360° panorama and make an interactive QuickTime panorama that lets you pan and zoom within a window. If the end result is a good photo, it shouldn't matter what the exact proportions are.


6

Other than preference/composition, the only other consideration is that if you're making a print, shooting to the same aspect ratio as the print means that you won't have to crop any of the final image. Examples: for a 4x6 print, a 2:3 image won't require cropping, where a 4:3 would. for an 8x10 print, either 2:3 or 4:3 will require cropping, but the 2:3 ...


6

The standard for still photography has generally been 3:2 since that is the standard for 35mm film, which has continued into most DSLR systems. One notable exception to this is the Micro four-thirds system that has gone to a 4:3 native aspect ratio. As everything goes digital, that is beginning to change because 16:9 and 4:3 are common lcd monitor aspect ...


6

It's really just down to what kind of image you are trying to create. 4:3 a common format for digital compact cameras as this matches standard TV and monitor aspect ratios. 3:2 is the original standard for 35mm film shooting, many DSLRs continue to use this ratio and many compact digital cameras support this as an option too. 16:9 is widescreen TV. 1:1 is ...


6

Looks like there is no easy solution. Here is how I manage for now. It's neither automatic nor perfect and requires a little discipline but gets you a good part of the way there. For cropped images, I used hierarchical keywords since Smart Collections are not flexible enough yet to distinguish between exact aspect ratios. Like this: This is the part that ...


6

Rather than calculating the crop factor from the diagonal regardless of format, this chart is based on the largest-possible cropped print from the respective sensor. For example, for 3:2 aspect ratio (as in 4×6 prints), the Four Thirds image is cropped along the long edges, while for 4:3 aspect ratio, Four Thirds is uncropped but APS-C or "full-frame" 35mm ...


6

Square format is not supported, but 5:4 aspect ratio offered by D3, D3s, D800 and D800E is only slightly wider, 30mm. The nice thing is that the viewfinder is electronically masked, so you can compose with good precision. This aspect ratio is not provided on a D700 or D3x. Alternatively, you could always crop in post. Of course, you'll also need to disable ...


6

Aspect ratio can also provide sense of mood or motion. Look at the photo given by Nick Bedford earlier and see how it changes by merely changing the square ratio to 16:9 ... or 9:16:


5

The Aspect ratio (image) Wikipedia entry has some answers to this question. From that article, many aspect ratios derive from the 35mm film, the image size in number of perforations of that film and whether room has to be left for soundtrack.


5

I think the answer here is that your picture frame is stretching the image to fill the frame, regardless of aspect ratio. This is obviously terrible behavior and hopefully there is an option to turn it off. It probably does this in order to prevent complaints about black bars on the sides of the image. One sees the same thing at bars — a fancy wide-screen ...


5

I can't speak for the industry, but I can certainly say why I wouldn't want to buy a camera with a 16:9 (or worse, wider) sensor: It doesn't suit my creative goals or assist with my task of simplifying the world. The 2:3 ratio is already far too narrow for vertical compositions, which I typically crop down to 4:5 or 5:7. Having a 9:16 sensor would further ...


4

The export dialog has nothing to do with the aspect ratio of the image. Those options are for scaling the image. Use the develop tab to crop the image to the correct aspect ratio. The option is on the right after the crop mode is activated. Once the image is cropped to your liking export at the desired quality and send it to the lab for printing. Most ...


3

John Camp examined a "standard art text", which is a photobook of notable paintings, for size, for aspect ratio and for orientation (landscape/portrait). Though he used such a small sample size, his article convinced me and it answers your question. He reports, Because of the history of the "golden rectangle," I went into this thinking that a lot of the ...


3

Some common panoramic film camera aspect ratios would be: 1:3 - 35mm film cropped with in-camera pano feature 2:5 - 35mm Widelux/Noblex/Horizon swing lens pano cameras, also common in old banquet view cameras 1:2 - 6x12 medium format cameras 6:17 - 6x17 medium format cameras


3

It's all down to the artistic effect you're after, but you might find that when getting prints done, they tend to favour specific ratios. Historically, 3:2 has it's history with 35mm and on through DSLRs, with 4:3 having history in TV (and video) cameras, which is why a number of compacts use this ratio. 16:9 was available on APS format cameras, although ...


3

I think the primary difference here is conceptual. If you view the target aspect ratio as the ideal form of the image, it might make more sense to crop early in the workflow. If, on the other hand, the ratio you are choosing for printing is just what you're doing this time and the image happens to be a less convenient shape in what you consider to be the ...


3

It will not get distorted - you will either have white space and the whole image shrunk to fit, or you will loose the top and bottom. It depends completely how & who prints it - Most systems will probably fit to width and crop the top and bottom (IE centred Horizontally and vertically). If you print it yourself, you make the choice.


3

I would never shoot to the aspect ratio of a monitor. Using one of my photographs as a backdrop is an afterthought, not a deciding a factor in how to frame a shot, and that would be the only reason I'd ever want a photo in that aspect ratio. Given that, I would always crop and scale in post. However, here's the basic reasoning I would have given your ...


2

A lot of the recommended sizes for different image types (2:3, 4:5) are based on the availability/cost of printing in those sizes. For instance, 4:5 is only common because many portraits are printed as 8"x10". For panoramas, there hasn't been any agreed upon standard, and there are not a lot of printers that handle panoramas outside of a custom job.


2

The aspect ratio setting could save you some time for certain tasks though. Let's say you are shooting time lapse pictures or video anyway and you require a specific format you can already deal with the aspect ratio before shooting. First of all this will safe you some time in post processing. Secondly, it can avoid trouble if the newly shoot footage is ...


2

I chose a rather odd-sounding ratio of 2:9 (or 1:4.5 if you prefer) for the panoramic printing option of my site (OddPrints). This is the aspect ratio of panoramic photos taken with iPhones. I agree there should be more "standards" but hopefully if the iPhone panoramic feature prove to be popular, this standard size may emerge. Hopefully, manufacturers of ...



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