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I'm trying to take a photo of a white paper heart in UV light, to make the heart look like it's glowing. I expect that the heart is going to look, well, purple, rather than white. I'm taking this p...
Moon over saguaro 16 Aug 2011, in the White Tank Mountains just west of Phoenix Arizona, 300 mm lens, 6:47 local time. The moon was nearly full, and low in the west around dawn. I wanted the moon...
I'll focus (pun intended, of course) on the title: Should near future smartphones replace professional cameras? No. The reason is that a digital camera really has three components: Sensor ...
For sharpening photos out of a DSLR, where the final result will be at a lower size compared to the DSLR's output (for example, for publishing on the web), is it better to: apply (possibly slightl...
In either a print job or a digital picture at the smallest level there are individual color markers, in print that is called a dot, and on a computer, it's called a pixel. The difference between th...
I am not a video expert, but I am sometimes surprised to see interlaced footage in professionally-produced videos shot with high-end cameras. This often gives "combing" artifacts to videos (Youtube...
exiftool It's available as a standalone application for Windows, and in package distributions for Linux. You can remove all EXIF data from a JPEG with exiftool -all= path/to/file.jpg or you ca...
Meerkat on sentry duty, Bioparc Valencia, August 2017. Taken with my Nikon D5300 and 70-300mm AF-S @ 300mm, f/5.6, ISO 800, 1/1600 sec.
No. Dirt happens. Phones don't magically get dirty less than lenses of high end cameras. In fact, the opposite is true. Even a semi-serious camera lens has a cap or hood. This is a simple mech...
I am not sure if this question is off-topic here or not (probably it is and if so please help me find the correct network site, if there is one) What was the first film with subtitles in the histo...
Yellow Snail, Montreal QC, 2020-05-31
Sunflower Pollen, Montreal QC, 2020-09-26 I grew the sunflower myself on my balcony, and took this photo on the same day that I discovered my other sunflower was crushed by a piece of plaster th...
Location: Grand Canyon, South Rim Subject: Condensed water vapor in midday sun Date: November 10, 2015
I'm looking for a digital camera, not anything particularly fancy but probably not the cheapest one can get (though maybe some really low-end would be good enough?) Some context I am one of the f...
Rules that are always applicable are as follows: One photo per answer, and no more than 5 answers per user per contest. Post only photos taken by yourself/person with you. All entries should i...
What do I need to know to successfully operate a fancier camera? You must know thyself, young padawan. The key principle that muse be employed for any photographic equipment purchase is this: be ...
Shutter speed Shutter speed is the inverse of exposure time: i.e. it measures how long the camera collects light. This is the parameter with most flexibility: most cameras support shutter speeds at...
Rules that are always applicable are as follows: One photo per answer, and no more than 5 answers per user per contest. Post only photos taken by yourself/person with you. All entries should inclu...
I recently bought a large projector at auction and it came with a 133mm diameter lens but no caps or covers. Where do I find lens covers for such a large lens? The universal lens covers I've seen d...
Rules that are always applicable are as follows: One photo per answer, and no more than 5 answers per user per contest. Post only photos taken by yourself/person with you. All entries should inclu...
Possible problems, with their solutions, are: Inability to focus properly in the dark. Put the camera on a tripod. Focus and compose with the lights on. Depending on the camera, you may have to s...
Here is another totally different derivative of the original: The waterfall and the swirling leaves are really two separate features that happen to be in the same original photograph. Trying to s...
Lunar eclipse 2018-07-27*; shot from Valencia, Spain. Nikon D5300, 70-300mm AF-S @300mm, f/5.6, 1/400 s. If I recall correctly, this was shot hand-held, or possibly with a monopod, because my heav...
There are likely at least two issues at play here. First, look at the other elements in the photo. The candelabra, the window behind it, the edge of the windowsill. All of those are fairly sharp, w...
The problems The basic problem is that the flames are small bright things in what is otherwise a dark scene. The automatic exposure system then messes up because it strives to make the average com...
