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Q&A

General Q&A on all types of photography (including video).

60%
+1 −0
Why is interlaced footage still being used in professionally-produced videos shot with high-end cameras?

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...

0 answers  ·  posted 1mo ago by Trevor‭

37%
+1 −3
Why fold your hands, and center them, in portraits?

What's this pose called? Let's not call it crossing your palms! Anyways, in portraits, the subject usually never shows hands. Then why clinch your hands, then center them in the center of the port...

2 answers  ·  posted 4mo ago by TextKit‭  ·  last activity 3mo ago by TonyStewart‭

46%
+4 −5
What is the difference between dot and pixel?

I've read many explanations, but either they all are too abstruse or they gainsay each other. Why Dots Per Inch Isn't Pixels Per Inch A dot refers to ink density, effectively; a pixel refers to...

2 answers  ·  posted 1y ago by TextKit‭  ·  edited 5mo ago by Trilarion‭

50%
+1 −1
How can a screenshot's file size ≥ original picture's file size?

I take a picture on my phone, view that picture on my computer, then screenshot that picture. Then that screenshot's file size can ≥ original picture's file size! How? Why? This feels illogical! I...

2 answers  ·  posted 10mo ago by Este‭  ·  last activity 10mo ago by Olin Lathrop‭

66%
+4 −1
How go about photo'ing different flash lights' spots for comparison?

I have a Canon EOS 2000d, and am a total noob to photography. I basically all my life just used cams doing everything automatically (and being unhappy with wrong focus or bad color settings etc ;))...

1 answer  ·  posted 11mo ago by CanisSomnolentus‭  ·  edited 11mo ago by CanisSomnolentus‭

50%
+0 −0
How to align a lithophane on an 3d printer with a moving bed like the Ender 3?

I am going to print some lithophanes on my Ender 3, which has a moving bed. How should I align the object for the best quality?

1 answer  ·  posted 2y ago by Charlie Brumbaugh‭  ·  last activity 2y ago by Charlie Brumbaugh‭

71%
+3 −0
How much battery power does a GoPro 9 use in standby mode on a scheduled photo?

I have a GoPro 9 and it has the option to wake at a specific time and take a photo/video/timelapse. However, some of the timelapses use 90% of a full battery (official GoPro model) and in the stand...

1 answer  ·  posted 1y ago by Charlie Brumbaugh‭  ·  last activity 6mo ago by Mithical‭

77%
+5 −0
What was the first film with subtitles in the history of human film making?

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...

0 answers  ·  posted 1y ago by deleted user  ·  edited 1y ago by Monica Cellio‭

66%
+2 −0
Should near future smartphones replace professional cameras?

I never cleaned any lens from any smartphone camera and I hope that future smartphones won't require me to do that. I don't know almost anything about camera technology; I am not familiar with the...

2 answers  ·  posted 1y ago by deleted user  ·  edited 1y ago by deleted user

87%
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How to take 2 exact same photos, months apart

The issue: I will be using photoshop to create a photo of my friends Mike and Jim with their favorite drinks sitting at the same table. Jim is visiting this week and has an expensive bottle of sc...

1 answer  ·  posted 2y ago by dustytrash‭  ·  last activity 2y ago by KalleMP‭

70%
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How can I optimize pictures for making them into lithophanes?

I have been 3D printing some lithophanes, and so far I have been doing so with pictures that I took a while ago. If I were to go take pictures with the purpose of turning them into lithophanes, ar...

0 answers  ·  posted 2y ago by Charlie Brumbaugh‭  ·  edited 2y ago by Charlie Brumbaugh‭

80%
+6 −0
Apply unsharp mask before or after downsizing to final size?

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...

1 answer  ·  posted 1y ago by Canina‭  ·  last activity 1y ago by Olin Lathrop‭

57%
+2 −1
How long does the time lapse interval need to be to capture shadows during the middle of the day?

Shadows move faster at the beginning and end of the day, and so a time-lapse with an interval that would show movement then probably won't at the middle of the day. What should the interval be for...

1 answer  ·  posted 1y ago by Charlie Brumbaugh‭  ·  last activity 1y ago by Olin Lathrop‭

80%
+6 −0
Are there consumer products using Time of Flight ranging camera technology?

There was some years ago announcements of new developments in cameras that were able to record the intensity and time lag of light that they detected to be able to view the range topology and refle...

3 answers  ·  posted 2y ago by KalleMP‭  ·  last activity 2y ago by KalleMP‭

81%
+7 −0
How to capture a competition rifle shooter with a bullet in flight?

I'm looking to attempt some artistic shots of a competition rifle shooter doing what they do best. My first thought was to attempt to capture something like a perfect golf shot, where you capture t...

2 answers  ·  posted 2y ago by Hueco‭  ·  last activity 12mo ago by Olin Lathrop‭

80%
+6 −0
How can I take better pictures of the fish I catch?

After reeling a fish in, sometimes I want to take a picture before I let it go. So I unhook the fish and hold it in one hand while I take the picture with my other. I am usually in a hurry to get t...

2 answers  ·  posted 2y ago by Charlie Brumbaugh‭  ·  last activity 2y ago by Peter Taylor‭

77%
+5 −0
Procuring a lens cover for large (133mm) lens?

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...

1 answer  ·  posted 2y ago by cobertos‭  ·  edited 2y ago by Peter Taylor‭

85%
+10 −0
How do I use phone lenses to best effect?

I've recently acquired a set of mobile phone camera lenses - the sort that screw into a clip, and clip over the top of your phone's camera. These are the lenses: From left to right, they are (a)...

2 answers  ·  posted 2y ago by ArtOfCode‭  ·  last activity 2y ago by Hueco‭

77%
+5 −0
How can I reduce blurriness when taking a photo in the dark, using only UV light?

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...

1 answer  ·  posted 2y ago by Mithical‭  ·  last activity 2y ago by Olin Lathrop‭

66%
+2 −0
What kind of software is used for creating time-lapses of 3D printers?

For a lot of time-lapses of 3d printers like this one the picture is taken when the hot end is either out of the picture or in the same place so that the focus is on the object being built, not the...

0 answers  ·  posted 2y ago by Charlie Brumbaugh‭

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How do I take crisp pictures of flames at night (with a cell phone)?

When I take pictures of (lit) candles in otherwise-darkened rooms, the flames always come out nondescript (blurry?) as in the following example: I took this picture with a hand-held cell phone. T...

2 answers  ·  posted 2y ago by Monica Cellio‭  ·  last activity 2y ago by Olin Lathrop‭

60%
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When printing lithophanes with an Ender 3 Pro and a 0.4mm nozzle what is the maximum width for best resolution?

Given that the difference between black and white on a 3d printed lithophane is the width of the plastic, the greater the difference between the max and the min-width the more variation of grey the...

0 answers  ·  posted 2y ago by Charlie Brumbaugh‭

80%
+6 −0
What technology do modern instant cameras use?

How are the modern instant camera technologies achieved? Is it pigment transfer, laser sensitized paper or what? Are they optical or digital technologies?

0 answers  ·  posted 2y ago by KalleMP‭  ·  edited 2y ago by mattdm‭

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