I Dare You!

by peter_budo

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
1answer
66 views

Measure rolling shutter severity of image sensor scientifically [closed]

Is there a way how to measure the "severity" of the rolling shutter (RS) effect for a given image sensor? By severity I mean how slow the image read-out is done for every single frame. The slower the ...
0
votes
1answer
67 views

about luminance and illuminance: what is the difference? [duplicate]

First of all, let me say that english is not my first language, so please excuse any mistakes that you could meet from here on out. I read several articles and explanations about luminance and ...
2
votes
5answers
336 views

Does an aperture value exist, where a lens creates a brighter image than the real view?

So (without limitations of the viewfinder for example) looking through the viewfinder creates a brighter image than normal view would be. The lens would then work like a funnel(collects light from ...
4
votes
3answers
338 views

What's the best way to light still-life photos of leaves?

I just want to make a set of still-life photographs of leaves, with totally controlled lighting. I'd like to be as "scientific" as possible, but I don't know how to light my set. Frontal direct lights ...
2
votes
1answer
194 views

Stereoscopic images

Disclaimer: I know this is probably the complete wrong place to ask this. But seeing as there is no Tattoos.stackexchange I will give it a shot because at its core, this question is down a ...
6
votes
2answers
674 views

What is the lowest level of luminous flux a camera can detect?

In the past, I've asked about taking photos of luciferase. Now I'm curious how weak of a light source I can detect. From How many photons per second is one Lumen? on Physics Stack Exchange, I can ...
8
votes
2answers
411 views

What type of camera setup is required to take photos of luciferase?

I'm working with luciferase which has a wavelength of blue 480 nm and I want to be able to take a photo of it. The trouble is, I can see the luciferase glowing in all of its glory in front of me but ...
6
votes
4answers
272 views

What's a fairly simple way of taking a photo through a microscope?

I have a simple microscope, with only one lens (though two eyepieces). Is there any way to do this, without too much money and modification?
8
votes
2answers
1k views

What is “solid angle” and how does it relate to photography?

So, I was hanging out in the chat room, and hear mention of something called "Solid Angle". What is this, and how can it be important?
6
votes
3answers
2k views

What are the consequences of making camera bodies black?

Considering that silver and other camera colors are outsiders, I wonder if there is a specific reason to make black camera bodies. I can think of several "marketing" reasons (discretion, first, or ...
21
votes
4answers
1k views

What are good advanced books on the physics and science of photography?

I am looking for books about the physics of DSLR, including modern photography optics and sensor electronics. If I already have some books on optics and electronics, I have found fairly hard to find ...
15
votes
2answers
7k views

What is the difference between luminance and illuminance?

The more I read about this, the more confused I become. Illuminance, as I understand it, measured in lux, is the perceived brightness of light on a surface. It's what you'd measure with an incident ...
13
votes
2answers
871 views

What is the inverse-square law, and how does it apply to lighting for photography?

I hear photographers talk about the inverse-square law, particularly with reference to lighting. What is this law about, and most importantly, how is it applied to lighting for photography?