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Esto es lo que se ve al hacer una foto de prueba para sacar a la luz las manchas y guarrerías que hay sobre el sensor de mi cámara... Antes o después tocará limpiarlo... Pero entre que me da miedo, que al hacer las fotos generalmente no se aprecia nada, y que me da pereza...
El día menos pensado lo hago...
I really need to clean the sensor in my D600!
This is image number 5548. To be honest, in 'normal' photos, only the largest of the dust/dirt/oil spots are visible and need editing out. I have never done this with either of the two DSLRs I have owned before so I don't know if this is particularly bad or perfectively normal for over five and a half thousand shots.
I got this by pointing my camera at a patch of blue sky, focusing as close as possible and stopping down to f/22. In the tone curve panel in Lightroom, pull the 3/4 point in the curve (probably the wrong terminology) right down to the bottom and all that dirt is revealed.
The "Abalone" seismometers have been on the sea floor for a year and need to be retrieved to read off the data they've collected. A radio signal from the ship triggers a "burn wire," which severs the device from its anchor and sends it bobbing to the surface - a process that can take up to an hour - emitting a signal that lets the ship home in on it. From there, it's all a dance of men with poles attempting to snag the device and tie it on to the ship's crane, which swings it to the deck.
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After I installed the sensors in the weatherstation: humidity, temperature and air pressure. Fixed to the inside of the weatherstation with tiewraps, cables through the wall.
Audi A3 1.8 (2002) Lambda probe (oxygen sensor) :
This picture is courtesy of the Follettmotors VW Audi Blog www.follettmotors.com/vwaudiblog
You are welcome to use this image for your own purposes but we would respectfully ask that you carefully read and understand the specific licensing permissions. This image is licensed under a Creative Commons 2.5 attribution non-commercial license.
finally, after owning this camera for 2.5 years I had the sensor cleaned.
after our little beach trip last week and shooting into the sun at f/22 I realized how dirty it was. now it's all squeaky clean thanks to the folks at ritz.
This shot shows - well it is processed a lot different from the previous one - how much cleaner my sensor is. I went to get a cleaning kit, which I did, and while at the shop they used one of those static brushes on my sensor. I think I will now wait until I need to before using the kit. If you look very closely you will actually still find some debris but not much.
Capteur extrait d'un ancien Nikon Coolpix S3000 (focus stacking).
Image composée de 10 photos assemblées avec CombineZP.
11th January 2011 - 365 day 11. Been having some autofocus problems recently and recent 'big sky' landscape shots showed how mucky my sensor was - so it's inside to investigate.
The autofocus problems appear to have been caused by muck on the mirror and screen - hopefully resolved.
Mucky sensor cleaned with my 'Arctic Butterfly' brush - always a nervous moment.
Knobbed cylinder variation. A straw is placed into a hole and the child finds the cylinder to go in the hole.
ROHM Semiconductor & ROHM Group companies, OKI SEMICONDUCTOR & Kionix exhibiting at Sensors Expo in Rosemont, Illinois, June 2011.
Image processing, motion sensing, bio sensing, wireless network technology, and human interface sensors were shown.
A 100-watt CO2 laser is shown here (the section glowing in blue) melting and transforming a rod of alumina into a pure sapphire optical fiber. A pair of telocentric lenses with machine vision cameras control the movement rate of the feedstock and fiber, and after many hours of automatic machine-operation, a long continuous piece of sapphire optical fiber can be formed. Such a fiber is one of the more durable materials on the planet, able to withstand temperatures as high as 1,800 degrees Celsius. The glowing pink section is a helium-neon laser which is a component of the laser Heated Pedestal Growth System. It is a visible red laser that is aligned to co-propagate along with an invisible 10.6um CO2 laser beam. The red laser then helps operators to locate and align the invisible laser beam.
Testing the EE-SY313 reflective opto-sensor. The LED lights up, but goes out when an infra-red reflective surface is detected. We'll be using black marker pen marks on white paper. Photo by David Henshall.
...de la M8, un Kodak KAF-10500, ahora limpito.
Se observa que la apertura del obturador (procedente de una cámara full-frame, la R9... de película) deja ver la circuitería que rodea la matriz de fotodetectores, lo que causa a veces curiosos fenómenos...
i finally got up the courage to clean my sensor. i think it worked out pretty well. top left is "before", top right is after the first cleaning and the bottom image is after i cleaned it again.
i used a swab made by microtools. they are not as lint free as they say and the size was a little off (which was annoying b/c the exact size thing was the whole reason i didn't just make my own swab), but it worked very well.
cleaning your own sensor is pretty easy, but if you damage the sensor, it can cost almost as much as a new camera to repair it, so beware.
Abhiram relaxes as installation of the sensor is complete.
On September 5th, CEE grad students Abhiram Mullapudi, Isaac Balinski, and Brandon Wong install a new stormwater sensor at Oxbow Lake in White Lake, Michigan. The sensor will track water levels as they rise and fall.
Photo: Levi Hutmacher/Michigan Engineering Communications & Marketing
ROHM Semiconductor & ROHM Group companies, OKI SEMICONDUCTOR & Kionix exhibiting at Sensors Expo in Rosemont, Illinois, June 2011.
Image processing, motion sensing, bio sensing, wireless network technology, and human interface sensors were shown.
Example of cropping a photo is like using a telephoto lens if the camera's sensor is large enough with sufficient resolution for an acceptable image, and also matched to a quality lens. We shoot with the lens we have at the time.
Here is a shot of the external dual sensor box. The sensors are set up to line up nearly at the edges of a 35mm SLR film window.
A small switch on the back selects which pair is used for making measurements. In this way curtain shutters that move vertically or horizontally can be measured.
After looking at the sensor for a professional shutter tester, I may make those round holes slits instead.
This complicates the light source, in that it needs to be much more direct, and not just diffused light.