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Puma concolor; motion-sensor camera; private unfenced wildlands; San Mateo County, Santa Cruz Mountains, California, U.S.A.
Before and after pics from cleaning my D600 sensor for the first time.
I used Sensor Swab Type 3 and the Eclipse Optic Cleaning Fluid, both bought from Amazon.com
www.amazon.com/Sensor-Swab-Type-Box-12/dp/B0029WUKVG/ref=...
www.amazon.com/Photographic-Solutions-ECDSC-Cleaning-Solu...
It took 4 swabs to get it 99% clean (3 would have been fine, but I was being OCD about 1 tiny spec). Here is the before and after in full resolution!
Shot with the Tokina 17-35, F14, ISO 800, 1/4s for all shots, around 17-19mm. AWB made the last photo a bit different colored, but you get the point :)
Total end cost to me was about $47, which is less than a typical shop sensor cleaning, and I still have 8 swabs left -- good for another 2 or 3 cleans hopefully!
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.
The touch-sensors are made by inserting a tight copper coil into the button hole and then adding a acrylic plug with LED.
NOTE: This is just a temporary solution, not the final install
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.
Capteur extrait d'un ancien Nikon Coolpix S3000 (focus stacking).
Image composée de 10 photos assemblées avec CombineZP.
The Bottom Bracket Torque Sensor outputs a voltage signal. The signal and the pedal force is linear proportional. Pedal force increases every 10kg, 0.15V voltage changed. The detectable maximum pedal force is 60kg. The input signals into sine wave with the crank angle. The outputs in 0° and 180° are zero. Maximum output is in 90° and 270°. Each rotation of 11.25°, the Bottom Bracket Torque Sensor outputs a speed signal. The shaft rotates a circle with 32 speed signal output.
Product advantages
The advantages include faster start and quicker response. No more temperature drift issue with high reliability in low temperature. Compatibility with standard bottom brackets, more easy to install and flexible length options, custom dimension and compatible with mid-drive motor.
Read the article: extraenergy.org/main.php?language=en&category=&su...
Guide scope is 12" FL, guide camera sensor is from $10 webcam.
Good seeing (quiet star, indoors)
Dedicated "motor3" autoguide system on CGEM ( www.flickr.com/photos/edhiker/6204459052 ).
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Graph of a star with my normal poor seeing: www.flickr.com/photos/edhiker/6244387757
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file: M3 PHD test on quiet star - Lap241
Pressure Sensor is used for measuring pressure of gases and liquids by generating a signal as a function of the pressure imposed. That is high accuracy and is built in over current protection circuit and reverse power polarity protection circuit. Pressure Sensor has zero point adjustment function and Peak and Bottom hold display and can be used to measure other variables such as fluid/ gas flow, speed, water level, and altitude and for controlling and monitoring in thousands of everyday applications. - www.atcomaart.com/pd/70525452705370495152/pressure-transd...
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.
This was created for Flaghead Photographic at a recent Triggersmart seminar. The PIR sensor picks up on moving heat signatures so we dropped warmed up vegetables into a nice Thai bowl to demonstrate this function as we couldn't get a wild animal into the studio!
There's a blog about the seminar here - www.dephotographic.com/blog/triggersmart-workshop-decembe...
An MCA Cat III Workboat, owned by Aspect Land & Hydrographic Surveys Ltd, of Ayrshire.
The 'Marine Sensor' is road towable, and with a small forward cabin, can deploy from a slipway or boat hoist / crane and able to operate a wide variety of sensors.
Her hulls and catamaran configuration lend a fast transit speed and give good directional stability resulting in high quality survey data.
MCA Cat III Workboat
Length 6.9m
Beam 2.5m
Draught 0.3m
The sensor wand from BARS (Benthic and Resistivity Sensors) in the vent. A temperature of ~325 Celsius was recorded.
Look what I got in the mail today. An Analog Devices ADXL320 accelerometer (+/- 5grams). I also got 5 big green leds (10mm) that are extra bright. These will go underneath the monome. Now all that is left is a sheet of teak veneer.