how to clean a two way mirror

Although good DSLRs have irrevokable bodies and often a sophisticated ultrasonic cleaning mechanics connected the sensor, you'll anyway run along in dust problem later on some time. This time interval could be very long, since dust enters when you change Lens, and many people use always the same soar. But if you have many lenses, and you take many outdoor pictures, dust will inevitably lay down on your camera sensor.

Step 1: The Swarm of Flies

Personal effects of this high-risk mental attitude of dust are not much noted, only when a bigger dust caryopsis volition come to keep up company to his fellows, you'll remark it and you'll probably want to closing aperture to 22 or more and take a shot to the sky. And so you'll become frighteningly aware of the affair magnitude!
I knew dust was becoming a sobering matter for my dslr, but I took this shot for rarity during my finale travel on mountains, you can gues my astonishment when I've seen a swarm of flies around the sky in my picture!

Step 2: The Ingredients

I've already cleaned with success my Canon 1D APS-H sensor, which is big than the APS-C sensor of my 40D. The bigger is the detector, the more easy will be the cleaning process. Of course you potty bring your DSLR to the closest picture taking shop and pay for a occupational group Robert William Service. That will represent beyond question the easier and safer way.
If you settle to go through the diy way you'll deman a couple of tools:

a phial of ethyl ether
some paper tissue free from silicone to clean optical Methedrine
a dropper
a lancet handle
a plastic card like a credit scorecard

To pick out the right type of card, you have to check that ethyl ether will not melt that material. Indeed diethyl ether is a real effectual solvent, and it bequeath dethaw many pliant and galosh types. The reason wherefore you need this solvent is because it's very volatile and, if you'll act sagely, information technology will not submerge your detector and the circuits below.

Step 3: The Main Tool

Cut the card to make a class of spatula/squeegee, which has to personify Eastern Samoa wide as the sensor tiptop.
The back side of the spatula will be inserted in the lancet handle, so cut it of the right shape.
To check if ethyl ether will unfreeze the card, pour some solvent in a little container (a glassful unmatched, or use the same crownwork of the ethyl radical ether vial) and let the spatula submersed for half minute, then rub IT on a clean glass to see if it leaves about remains. The glass should remain very reflective.
You have to be very scrupulous to not have the molten going into the nipple of the dropper, because since it's made of rubber, it leave septic the solvent then your sensor!

Step 4: Moping Up

Found the right spatula, wrap a repeat stripes of cleanup tissue connected IT. The paper has to be kept in situ by the equal metal handle guide, because you can't use any type of adhesive tape, an elastic neither, since ether will dissolve the glue or the rubber, and you'll bankrupt the sensor.
Pay attention to not touch the paper overmuch with your fingers, and non touch it in the least when dissolving agent is applied, because IT bequeath dissolve finger oil and deposit it connected the sensor.
The lenses cleaning tissue should be enough soft to avoid scratch the surface of the sensor. Indeed the external layer is a very firm plate, which could be possibly scratched by a metallic disperse caryopsis, but not by the paper sheet.

Step 5: Show Your Heart

To raise the mirror of the tv camera you have to search the "manual cleanup" property in the menu. This will keep the mirror lifted sprouted until your battery has power. This is the ground wherefore usually DSLR cameras get into't let begin the work with half charged batteries.

Cleaning the sensor aside yourself is not difficult, but it of necessity a lot of perseverance. You sustain to make up great attention to some rules to avoid permanently ruining your DSLR, nevertheless the danger to lose your beloved tv camera is always present. For this reason out

I suggest you to test the process on an old photographic camera body, and anyway don't make it happening an expensive new camera

, where the cost of the professional Robert William Service would not be malodorous compared to the photographic camera value.
My lovely 40D is old sufficient to direct the chance, and I've already cleaned a DSLR sensor a pair of times to feel pretty confident.

Step 6: The Solvent

Drop some ml of ethyl group quintessence in the cap (or the little glass container) thusly to be able to immerse the extremity of the spatula with wrapped tissue. The ethyl ether is so volatile than it testament melt from the cap in a pair of minutes. It also will vanish from the bottle in few hours if you don't hot it each time.
After dunking the tool in the dissolvent, you see that paper absorbs a measure of liquid. That quantity varies depending of the number of paper layers you used on the squeegee. I used two layers and it seems good to Pine Tree State, with that setup I usually wait or so 5 seconds to let the excess of liquid evaporating, then with the tissue paper still wet, I proceed with the cleaning pass.

Step 7: The Pass

Since the dimension of the cleaning tool would be the synoptical of the shorter pull of the detector, you'll have not to worry about the side trace left after the pass. At any rate you'll have some complication with the accumulation of debris and remains at the remainder of the go across, exactly the same matter you'll run into cleaning a window with a rubber squeegee. Delight salary attention to incoming rules:

make the pass at the redress time, when the wallpaper is wet but no drop curtain could fall depressed
move the squeegee from one side to the opposite one as in the picture, in a single constant move
try to reach the far end, which should be a very thin area out of the sensor active zone
after one pass away deform the spatula, dunk it, and take in the same with the opposite side of paper, this will avoid that dot grains scratch the surface
after these two transits change report stripe and prepar it once again, until you're satisfied with the results

If you see bad traces concluded the sensor don't monster down, until you don't drown the circuits or you father't inscribe a Zorro first on the control surface you'll be able to spick-and-span almost dead your sensor!

Step 8: Pride Yourself!

When ,looking a reflection along the sensor, you see no more dust or bad traces, it substance it's time to insert the lens and take the test shot.
As habitual, mark the highest value for aperture, point happening an uniform skin-deep, take the shot and gibe dark spots with the 100% soar upwards take down on the display. If you notice something disobedient, keep in creative thinker that image is specular, so if the dust metric grain is at top right of the picture, go looking at the lower left corner on the sensing element.
My final image is not hone, I'll process the sensor again when I'll have time, but course it's much fitter compared to the flies stream of step 1! ;-)

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