I made another Infrared vs. RGB comparison but this time with different wavelength Infrared-cut filters.
I took this pictures on 14th Nov. 2015 at the
Alte Donau subway station in Vienna/Austria.
You can click the knob (< >) and move the slider. By clicking the buttons you can load different wavelength images and their description texts to compare.
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EV calculated usind this
I once again got to x-ray some stuff.
This time an old Motorola CPU , a seashell and a Peltier-cooler (TEC)
Continue reading Some X-Rays
Some times when I load a roll of 120 type film into a camera I’m not sure what the numbers on the backing paper look like. Do the lines I see in the peephole on the back of my cameras represent a “1” or are they just some mark on the backing paper and I have to wind a little bit further?
Wouldn’t it be nice to see what these numbers are supposed to look like?
Well, if you had this problem in the past, looking for an answer right now or just for any reason want to see what the backing paper of 120-type of film looks like here you go!
Continue reading Backing paper of some rolls of 120-type film
I took an X-Ray and photos of the front and back of a GeForce 6800 GT graphics card.
A photo of the front of the graphics card in comparison with an X-Ray of the same spot.
Continue reading X-Ray of a graphics card
A little info on what this means and some example pictures
Comparison of an Infrared picture vs. a RGB picture on the basis of a phtograph of Vienna by night. Pay attention to the fog in the distance. (Drag the vertical bar to compare the photos)
Continue reading I modified my Olympus Pen E-PL1 to take Infrared pictures.
I just bought 4 old moving heads. I paid €30 for all four :-D
Recently I glued together some laser cut pieces of Acrylic with patchy results. The bonding was good but the Acrylic cracked. Hundreds of tiny cracks all along the cut edge.
Cracks on a test piece.
So, what does one dot o prevent this?
Continue reading Gluing Acrylic (PMMA) With Acrifix 1r 0192
A fine blog about photography
I bought this mechanical desktop calculator some years ago at a flea market.
A few years ago the elevator in my apartment building was replaced. The changed the motor, the controls and the cabin.
I could not resist and salvaged some parts of the control. Among other parts I saved the electric contactor switching the motor. Here are some Pictures.
Continue reading Old electric contactor from an elevator