Hot answers tagged

27

It sounds like you're doing almost everything right, but there's one detail that caught my attention: Aperture highest the lens offers. I'm assuming that this means that you are stopping the lens all the way down. You shouldn't do that, because the small aperture results in a less sharp image overall due to diffraction. See What is a "diffraction limit&...


18

Edit: I wrote a Gimp script that does the steps below, and another one for Ilmaris answer. Both scripts are available for download on GitHub. The suggested way to go is this one. I’m answering this right here because I have been searching for a solution for quite some time and found a simple and working one. Let’s get to the result right away: Create a ...


9

I agree with the comments about aperture, but also don't forget about mirror lockup and using a remote release (or the timer function) for the exposure.


8

The method I've used myself is similar to yours, but uses the Resynthesizer plug-in (for GIMP) or Content-Aware Fill (for Photoshop) to reconstruct the gradient: Create a selection that completely covers the drawing. You can do this by hand, or you can use high-pass filtering to compute a selection mask like this: Start by using an edge-detection filter ...


7

Benjamin, I want to encourage you to consider something different than pursuing only sharpness. That is continue with the different techniques already discussed, focus stacking, super resolution, etc. However, add to your tool belt two sets of other tools. I say this because of your statement "I'm getting great shots.. but I want to capture all the fine ...


6

Just looking at a picture does not tell you if it is a photo or not. A definition of a photograph is that an image (graphy) must be formed by photons (photo). In the case of the plane, the reason someone knows at first hand it is not a photo is that that plane never existed in the first place. Or simply know that a specific image is an illustration because ...


5

This answer describes the fastest reliable approach I know atm, based on the answer by Ilmari Kanoren. It is semi-automatic; the automatic mask does not work for hard images like the one below because there are no edges in some parts of the drawing. This Gimp script automates steps 3 and 4 (note that Resynthesizer is required), so the workflow is just: ...


4

Use the delayed shutter release (or a remote) will reduce any shake from touching the camera (which can still affect a camera on a tripod) and the mirror lockup which moves the mirror out of the way early again reducing any vibrations caused by the internal mirror moving during the shot. This may help along with the other advice about finding the sweet spot ...


4

That are actually 3 questions: How to create a black background? What do I need to get photos with a unifom black background (not with post)? What is the easiest way to take a shot to remove the background? How is that acrylic print called? You just said it. While it has no special name, most call it just that: Acrylic Photo Print. It is a print that is ...


4

There's an old saying about photography: Gear doesn't matter. While true, it is only part of the fuller truth: Gear doesn't matter... until it does. What that means is that better gear won't make anyone a better photographer. If the photographer is not applying the proper technique, skill, and knowledge when using lesser gear then better gear will not ...


3

As this is the photography forum I will try to make a good approach using one. You need a camera with some kind of live view preferable. Get a tripod and position your camera pointing to the sheet of paper. I think a lower angle than the one you are using is probably more dramatic. Prepare a grid. Take a piece of cardboard, pets say size tabloid or A3, and ...


3

It isn't so much the camera body itself (that's just a sensor) -- it's more about the lens (photographer's understanding of the task is always important as well). Mostly what the DSLR camera body offers... is the ability to change lenses to something more optimally suited for the task. Optimizing Field curvature A lens focuses to different distances and ...


3

Make sure you are taking the photo exactly straight on with the optical center of the camera aligned to the center of the artwork. Imaging a line passing perpendicular to the camera sensor going through the center of the lens and it should reach the center of your artwork. To make this easier, place the camera on the tripod with a multi-axis level and ...


3

I happen to frequently photograph artwork, including framed and with glass. If possible, do this in a room that has black walls and no windows. If such room is not accesible, wich is my case, I use a black backdrop BEHIND the camera. This helps a lot against unwanted reflections. Also, as the other answers point out, place the lights a 45 degree or more ...


2

You could also consider trying using a wide aperture, (resulting in a narrow depth of field), and then focus stacking or several different exposures and exposure stacking possibly both - some software options can be found here. While focus stacking is normally used for macro photography it is not restricted to such use and can be very rewarding and should ...


2

I would use the 50mm, stop down the aperture to f/4 or 5.6, aim for iso 200 and under a second exposure. I would also underexpose by a stop or two. I would tweak the contrast and sharpness in post, but you could try doing a custom picture style by adjusting the picture style contrast and sharpness settings. If you have a flash maybe consider adding some side ...


2

About the digital processing part, you should avoid using the general purpose sharpening methods like unsharp mask, as these methods will only increase the local contrast — making details more visible but you won't get details back that have become invisible. It is better to use methods that are based on actually reversing the blurring due to imperfect ...


2

The optical center of the lens must also be perpendicular to the plane occupied by the 2D artwork. Simple to achieve with a small mirror placed flat on the artwork. Only when you see your lens reflected 'dead-center' in the camera viewfinder (SLR type) will the lens be perpendicular to the artwork.


2

Use a longer prime lens. The 50mm f1.8 comes to mind (it is a short tele for a crop camera, such ad the 700D). Canon lens don't come any cheaper, and this one has hardly any barrel distortion (design of normal prime lens has been mastered long ago, so they can be made both good and cheap). Align your artwork with the plane of sensor as closely as possible. ...


2

The usual clues are mistakes in lighting effects. It is very difficult to freehand draw and get the geometry of shadows, highlights, and the like completely consistent. Another common "error" of drawing is to provide too much detail in shadow areas. Film, especially old film, had much less dynamic range than what your eyes can see. Naturally, artists ...


1

Here are some ideas. Just fix the camera in one spot and put the objects on a marked spot on your background. Frame for the biggest one. (the smallest ones can be really tiny on the frame) Use some aid to frame the image, for example, if you are using live view, you could put some Scotch Magic tape (that can be easily removed) on the back as a reference, ...


1

Distance depends on focal length. Instead of taking a photo, you can achieve the same result by scanning the picture and applying a perspective transform in Gimp/Photoshop. This is likely going to be faster. Without geometric markings on the sheet you'll have to eyeball the best shot. IHMO the best way is to clip the drawing on a board, put the camera on a ...


1

The sample images cannot be evaluated for focus or noise because they have been resized to about 10% of the original. The rest of my response is based on your textual description. ... those spots missed details and it captures better from the middle only. I agree with Tim Campbell, You would benefit from a macro lens to minimize field curvature and ...


1

This is probably a photograph, or a scan of a copy of a copy of a photograph, at least. There's nothing particularly that jumps out as not being consistent with that. And, on the other hand, an almost-abstract graphic composition like this would have been quite out of time for a painting or drawing in the mid 19th century. Compare this painting made a few ...


1

For signed/numbered prints, I've used a white "gel pen" that showed up against the not-light content. I think a rubber stamp is pointless. People are paying for (or appreciating in a gift) hand touches: you approve that individual print and hand sign it.


1

Personally I would not choose a 50mm lens for this but a higher focal distance. 100-200, but it depends on the art size. The more focal length you have, the less distortion you get. But as it is a prime lens, it is a good option. If you get noticeable distortion you can correct it on postproduction. F-Stop The lenses have an optimum performance in the mid ...


1

This is the photography forum, so I will take a photographic approach. Of course for a perfect white you probably still need some post production tweaks. Instead of using a flash you can try using natural light. Avoid direct sunlight, don't stay too close to the window either, but like 2 meters away from the window. This is to reduce the difference in light ...


1

Since this is a homework question I prefer not to give a direct answer (especially as there is a near duplicate), but as I read it, the task set is "what is the best way that you can think of to do this". It is not "what is the bare minimum/cheapest way to do this" On that basis, these are some questions you may want to ask yourself about the answer given.....


1

Set-up tip for photocopying: To ensure that you are exactly perpendicular to the surface of the artwork to minimize distortion, put a small "make-up" mirror at or on the surface of the artwork. Position yourself at the right distance and so that you see your reflection in the viewfinder.


Only top voted, non community-wiki answers of a minimum length are eligible