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A car with a mobile sensor attached to the roof measures carbon dioxide levels as it drives through Vancouver. Credit: Joseph Lee, University of British Columbia.
We ran a Triggersmart seminar for Flaghead photographic at our studio back in March and this was a shot that we made to demonstrate the light intensity sensor in action. Match hit liquid - liquid lit up - camera fired!
There's a blog about the seminar here - www.dephotographic.com/blog/triggersmart-workshop-bournem...
Check if your sensor needs cleaning: Set your camera to Aperture priority, at f/22, and take a shot of a cloudless blue sky (focus not important)... If you see specs, you need to clean your sensor...
There is a tutorial here: www.copperhillimages.com/index.php?pr=tutorials
(Yes, there is still a spec on the after pic.. I got it off, but was using white paper to check then, and I wanted the before/after pic here to be the same color)
The cleaned sensor after about 60 Eclipse E2 fluid and Mesoft lint texture swappings.
www.tammed.fi/images/157000_MesoftHT5x5.jpg
Taken handheld with Minolta AF 100-400mm F4.5-6.7 APO @280mm.
Sensor dust before cleaning, only the two very obvious spots (dot lower right and hair lower left) showed up at other apetures in blue skies and such. To make the sensor dust more clear I upped contrast a lot.
After years of putting up with dust spots, which show up as ugly grey smudges on photos of nice blue skies, I cleaned the sensor on my Nikon D70. It took quite a few goes as you can see. Each of the photos here is an out-of-focus picture of a blank white computer screen which has then had its contrast increased hugely (by doing "auto contrast" on it) to make the dust spots show up better. The little round spots are dust. The other variations and the larger, slightly dark areas are tiny variations in intensity of the LCD computer monitor which have been exaggerated by the 'auto contrast" step.
Tijdens een loopje met den hond kan het nuttige met het aangename verenigd worden als dit plaats vindt langs een maagdelijke vloedlijn.
Deze troffen we aan aan langs een van de stuifduinen aan de zuidkant van de Vliehors.
In de vloedlijn vond ik een sensor van een door de meeuwen aangevreten Vaisala RS41 radiosonde.
This brand new Lexus IS250 looks great, and no one wants to mess that up by running into anything while trying to park. So, this IS250 was equipped with front and rear park assist sensors, allowing the driver to know how close they're getting to the objects around them.
A nice little 126 film camera with the "big red dot" soft touch shutter release button. Aluminum outer shell. Two shutter speed 1/40 and 1/80 selectable via a ring around the lens barrel. Simple one element lens (42.1mm) with fixed aperture (f/11) and fixed focus. It has a socket for "magicubes" which are fired mechanically and require no battery. The name plate is missing from this sample.
Sensor after I cleaned it. There are still a few spots around the edges, but those likely end up being cropped out anyway, so I'm satisfied with the results for now.
I wonder how well the Canon Rebel XTi sensor cleaning works in comparison. Getting out lint free cloths and swabs and locking up the mirror is a pain (and dangerous).
The unwelcome inhabitants on my sensor. I'm going to be buying a cleaning kit to eradicate these little fellows.
Fell behind on these. The EXIF on this shows it was taken on 01-Jun-2013 and adds a tiny bit more crud on the sensor from the last one. You'll have to look pretty hard to see the new spots, though.
Shutter actuations are at 5,065, so you don't have to go hunting the EXIF for it.
Image of my sensor just after a good cleaning (small spots are left, but it's not a problem for usual images). The darker parts on the corner are due to vignetting and not some kind of sensor dirt. This is perfectly OK.
To obtain such an image:
- Go to maximum aperture (f.22 or f.30)
- Adjust speed and take a white surface shot (long exposure is not a problem, if you move the camera when taking the image it avoid confusion between the white surface dirt and sensor dirt).
- Apply an auto-level on the shot, here is the result.
The the sensor before cleaning.
The Sensor - It Knows You're There. Inside ImageWorks at Journey into Imagination pavilion in Future World at EPCOT Center.
Offshore Technology Conference (OTC) - May 4-7, 2009 - Houston, TX: Sensors used in deepwater drilling are tested at FMC Technologies' Subsea Technology Center.
..AKA lie detector - MrC has been fibbing ;-)
I have been plotting a GSR dress since spring and bought this kit way back then to mess about with a simple circuit to see how well it worked. I've been so busy I've only just got around to soldering this GSR kit together, however it's not sensitive enough for the dress I'm making.
Agfamatic Sensor 100, Germany, 1971.
What must be the best, most minimalist case ever designed for a camera.
The Agfamatic 100 is a viewfinder camera for Pak-Film 126 cassettes. It has an Agfa Colorstar lens with fixed focus and fixed aperture. Two shutter speeds are selectable with the ring around the lens barrel, the scale showing a cloud and a sun symbol. The camera has a single stroke advance lever that advances the film, cocks the Parator shutter and turns the flash cube holder on which magicubes can be fired as flash. On the axis of the advance lever is the red "sensor", the shutter release button hidden under a round piece of red foil.
-Camerapedia