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For several decades, measurements of the West Antarctic Ice Sheet showed it to be retreating rapidly. But new data derived from satellite-borne radar sensors show the ice sheet to be growing. Changing Antarctic ice sheets remains an area of high scientific interest, particularly in light of recent global warming concerns.
this is a general piece about dirty sensors.
A heads up to all those 'spots' in
your sky photos that you may think is a dirty lens.
I moonlight at our local camera shop and one of my tasks is to clean sensors.
I've cleaned a slew of them now and have seen some stuff!
A- not the worse I've seen, but a good example of a dirty sensor!
B- same sensor after cleaning
C- a shot of the sky to show what a dirty sensor adds to a photo(not the same sensor as A/B)
D- a test shot to see how dirty the sensor
You can clean the sensor yourself or have it done professionally.
There are many tutorials on the web about how to do it.
Just be careful ... the sensor IS your camera.
click the pic to view on black
photo taken after bringing it to Nikon for cleaning.
so i got a call yesterday afternoon from Nikon that my D40 was ready for pickup. so i passed by before going to work this morning and took this test photo. impressive!
it's good to be back!
Agfa Agfamatic 4008 Tele Pocket Sensor camera for 110 format with Fukkatsu 100 ISO black and white film, process before date of December 2018. This film came in a cassette tabbed for high speed but was modified to expose at the low speed setting. Developed in Adox Adonal diluted 1+25 for 7 minutes at 20ºC.
photo-analogue.blogspot.com/2022/03/agfa-agfamatic-4008-t...
Merged 3 images to see if any got missed. Something new was found on each one
Made for this article.
This week a golf with a running problems presented for repair. The cause was traced to a broken wire on the MAP sensor. Seems some corrosion to the wire withing the plug compounded by a rather rigid connection and it broke. A new housing & connectors spliced to the loom fixed it and all within an hours work.
Here's a touch sensor. Just touch the bare wires on the lower right part of the board and the LED lights!
Line array sensor 512 pixels. For a new detetor to capture flying moths at night. Film is ready to make the PCBs. The aim is to build a tunnel with laser detection for flying moths at night.
The line sensor effective lenght is 64mm as detector. The exposure is done with a 650 nm laser line.
Line array sensor 512 pixels. For a new detetor to capture flying moths at night. Film is ready to make the PCBs. The aim is to build a tunnel with laser detection for flying moths at night.
The line sensor effective lenght is 64mm as detector. The exposure is done with a 650 nm laser line.
Here's some before and after shots of my project to clean my sensor. As you can see in the before, it was a flippin' mess. In the after (though dark, sorry dreary day) you can see the lack of dust.
I used a Giottos Rocket Blower, 3 #2 Sensor Swabs and Eclipse liquid from Photographic Solutions, Inc., and the Sensor Brush from Visible Dust.
BTW, #2 sensor swabs don't actually come into contact with the XT's sensor unless you use them vertically. The Sensor Brush does a great job, but you really gotta get it charged up with static. They should make one with fuzzy slippers and carpet.
Balluff's new liquid-based inclination sensors measure the deviation on a horizontal axis of up to 360°. With an extremely high accuracy of 0.1°C, a resolution of 0.01° and a temperature drift of just 0.01% /10K, they are the ideal choice for solar -thermal power plant and renewable energy applications that require angle measurement or constant rotary monitoring.
BSI inclination sensors feature a robust metal housing with an IP 67 enclosure rating that is easily installed into systems with limited space due to their compact housing size. With an expanded temperature range of -40°C to + 85°C, they are ideal for outdoor applications.
073/366
March 13, 2008
This is a photo of blue sky, taken at minimum aperture with focus set to infinity. It looks like that big hook shape that I've been noticing on my last couple of shots is sensor dust. Help!
Uh oh - time to get the blower out, I think. These dust spots aren't causing too much of a problem yet,you can't really see them on normal photos, but it's probably time to give it a bit of a clean.
How to see how dirty your camera's sensor is:
1. Take a photo of a clear sky or other blank subject at f22.
2. Open the picture up Photoshop and run Auto-levels
Et voila, you can see just how dirty your sensor has got.
After a race car left the track at Eastern Creek motor racing circuit, NSW, Australia.
20 May 2006
Canon 350D (Rebel XT) with Canon 70-300 IS lens @ 300mm (~480mm)
ISO 800 1/500 @ F8 available light
IMG_3604
The green thing is a proximity sensor that you'll see on most any thrill ride and in many other applications. A proximity sensor can detect a metal target in their sensing field (usually an inch away or so) using induction. They help the controller know where trains are located, what position the loading gates are in, if the brakes are open or closed, and other operational aspects of a ride.
The sensor is held in with a black plastic circlip. I'd read somewhere to use a cable tie to pull it out and to avoid losing it in the depths of the engine. In the end mine was quite solid and took quite an attack with a screw driver to get it out and as i'd bought a new one I probably wouldn't have minded if I'd dropped it.
Next I took the electrical connector off which had the usual squeezy bit at the top that clicks over to hold the connector in.