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Questions tagged [science]

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2 votes
3 answers
128 views

How to shoot in enclosed spaces with reflective surface without any reflection and have a good quality image

For my current research project I need to take photos in a wind tunnel (A big enclosed rectangular 400cm x 100cm x 70cm). The objects are super tiny seeds that disperse on a white reflective sticky ...
Catharina's user avatar
1 vote
0 answers
80 views

Setup for photographing moose scat for 3d reconstruction and further analysis

I am not a professional photographer, so I ask for your indulgence in that some basics may not be obvious to me. I am in the early stages of planning a scientific study on a moose (Alces alces) ...
Galen's user avatar
  • 111
2 votes
3 answers
219 views

Color regrading/correction/calibration between photos for scientific color analysis using in-image palette

This question is not quite in the same vein as artistic photography but I feel that this StackExchange is best suited to answering the question. Closest questions I could find for further reading ...
user36847's user avatar
1 vote
1 answer
278 views

How Schlieren Photography can be done using mobile camera?

Can we do Schlieren Photography using good mobile phone camera (13-20 MP)? If yes how or can we do this photography only using professional digital camera? Schlieren Photography
learner's user avatar
  • 119
4 votes
2 answers
295 views

Why are mid-day images dull?

When I take pictures at mid-day, well before the golden hour, my images are usually dull. They seem hazy, low in contrast (perhaps due to haze?), and lacking in saturation. My suspects: Sensor ...
icor103's user avatar
  • 739
2 votes
3 answers
455 views

Organize photos for many overlapping projects

I am working with a larger collection of photographs (~10,000) for my PhD thesis (in biology) and I am currently struggling with the organization of these. Sorry, if this question is in the wrong ...
bamphe's user avatar
  • 121
5 votes
6 answers
1k views

Does a long exposure in DSLR camera have a similar effect to a global shutter?

Regular DSLRs make use of mechanical shutters and progressive electrical readouts, and hence images are captured in a rolling shutter. But, when used to capture pictures with a long exposure, where ...
karthikeyan's user avatar
2 votes
2 answers
162 views

How to optimize detection of brightness changes in an immovable object?

My task I want to use a digital camera to capture slow changes of an object for scientific purposes, subject to the following constraints: The camera is a Canon EOS Rebel T5i. The position of the ...
Wrzlprmft's user avatar
  • 163
2 votes
1 answer
640 views

Calibrating monitor with lab spectrometer

I'm trying to calibrate my monitors. But I'm wondering if I can avoid buying another piece of equipment by using a lab spectrometer (in the past I've always just calibrated by eye). I'm a PhD student ...
NeuralLotus's user avatar
5 votes
4 answers
2k views

What tiny lens to shorten the focus on a tiny camera?

I'm trying to set up a tiny camera for a tiny science experiment. The camera is an OmniVision OVM6211: It's pretty much a 3mm cube, containing the image sensor and all the lenses. It has a 90º FOV ...
Rocketmagnet's user avatar
1 vote
3 answers
2k views

How to calculate the distance of an object in a photo?

I am going to be carrying out some experiments for school in physics class where I will need to calculate the distance a tennis ball travels. I am going to be filming it, and I was wondering if a ...
Dihya Hajee's user avatar
0 votes
1 answer
222 views

How to get Canon 1200D quantum efficency plot?

I've searched quantum efficency of Canon 1200D and I found some images like here: http://www.deep-sky.co.uk/imaging/dslr/dslr.htm . How these people get quantum efficency plots for mentioned Canon 40D?...
Tarhan's user avatar
  • 101
12 votes
2 answers
1k views

Raw photo for scientific purpose. How to set white reference to defined numeric L*a*b value?

I need a scientific raw photo for colour analysis. I shot with a reference gray card which has a defined Lab color space L=70*a=0*b=0. I need to balance the photo with L=70 in camera raw. Is it ...
Borexino's user avatar
  • 223
1 vote
2 answers
174 views

How can I connect a cheap digital camera to my 1960s spectrometers?

I teach physics at a community college, and for use in our lab course we have a nice set of 1960s spectrometers that each contain a telescope. (For a description of the optics, see my lab manual, lab ...
user avatar
0 votes
1 answer
568 views

What settings should I use on a webcam to get accurate light intensity measurements?

I hope I am not in the wrong place to ask this kind of question since it is more about image acquisition than photography. I have to use a Microsoft Lifecam HD webcam to take snapshots of a laser ...
gfole's user avatar
  • 3

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