Questions tagged [projection]
The projection tag has no usage guidance.
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Displaying non rectangular image with projector
I am trying to display a non rectangular image via a projector. Like this
How does this work? Can a projector "display" a transparent background?
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Help designing a mini slide projector
After spending the better part of a year thinking about designing a tiny film projector I am beginning the process. I know the basics of photography but I find it very difficult to calculate what ...
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Geocoordinate calculation for aerial oblique image using camera and plane yaw, pitch, roll, and position data
I have a requirement to calculate the ground footprint for an aerial camera. The photos are TerraPhotos. TerraPhoto user guide provide camera position and plane orientation in .IML file. Additionally, ...
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What type of projection system is used in Brideshead Revisited episode 5?
In the beginning of episode 5 of Brideshead Revisited there is a scene where one of the characters uses a "Universal Projector" to show some slides. It can currently be watched here, about ...
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Calculating small projection distance
I'm trying to build a small slide projector but (being a lens noob) I'm not able to get a proper focused image.
I'm trying to achieve this:
I've got a 20mm (biconvex?) lens with a focal length of 50....
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Does a slide made from color reversal film take damage when used for several hours in a slide projector?
So I'm planning on projecting slides made from color reversal film for a long continuous amount of time in an old fashioned slide projector and was wondering how much damage the heat from the ...
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Is there a way to produce this "little planet"-type self portrait in a single-exposure?
The BBC News article UK Antarctic meteorite hunt bags large haul shows this ultra wide angle and likely "little planet"-type of self portrait. I can't understand how this effect is produced.
While ...
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Pixel diameter of a given field of view calculation equisolid (equal-area) fisheye lens
I have a 180° equisolid (equal-area) fisheye lens with a focal length of 8 mm. I want to crop images to a circle defined by an angular field of view from the zenith angle of the lens (i.e. the middle ...
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What JPEG settings for projection with Epson EH-TW5210?
I shoot in raw and edit with Lightroom. What settings, such as resolution and aspect ratio, should I use to export JPEGs for presentation using an Epson EH-TW5210 Full HD 1080p, 1920 x 1080, 16:9 ...
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How can I make mirror images of digit camera image files?
My problem is that I am using a SONY a6000 mirrorless ILC and eyepiece projection to take images of solar system objects using a Schmidt Cassegrain Telescope. (SCT).
Prime focus photography with an ...
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How to determine the projection (Stereographic, equidistant etc.) of my fisheye lens?
I have a Fujinon FE185C057HA fisheye lens and I want to know its projection.
Is there a software tool I can use to do this? I have the lens with me so I can take ...
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Did nitrate film stock provide different/better B&W and color projection quality?
The NPR News item What's The Issue With Nitrate Film Stock? It's Combustible describes substantial effort made at the 2017 TCM Film Festival to upgrade a projection booth in order to more safely ...
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How to convert Ricoh Theta equirectangular pictures to rectilinear? [duplicate]
I would like to extract a portion of an equirectangular 360x180 panorama taken with a Theta S and convert it to what I think is a rectilinear image (a picture where straight lines are shown as such ...
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How can I test that the image is inverted in a pinhole camera?
I learned that a pinhole camera inverts the image on the film strip:
Is it to possible to test if the image gets inverted without the film strip on which the image is projected?
For example: I made ...
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How to un-spherize an image using Photoshop?
Assume I have a traditional panorama. I use a spherize technique (e.g., in Photoshop) to produce a spherical image. Some time later, I want to take the spherical image and get back the landscape (...
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What is the relationship between field of view and focal length for fisheye?
What is the relationship between the focal length and field of view for an equal-area ("equisolid") projection fisheye lens? Alternatively, what is the relationship between the 180-degree image ...
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