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I work with high powered lasers for entertainment purposes. We use your product to clean aperture glass and scanner mirrors in our equipment.
We use high powered 20-36 watt lasers so if any dust, or oil & dust, ends up in the laser path it can fuse and destroy the glass (and ruin the laser show).
Very useful product! E
veryone I know in the laser industry uses your product.

Adam LaBay

I work for a major microscope and optics manufacturer, and I love First Contact - it has become an essential and irreplaceable tool that I need to do my job. I use it to clean our demo equipment after transport and remove the dust/debris microscope customers creatively get on their optics. First Contact is our best kept industry secret to restore optics and camera sensors so they keep producing their best images.

Anthony D. Vetter, PhD
Advanced Imaging Specialist
Nikon Instruments Inc.

2018 photos showing First Contact Polymer cleaning of the 1M telescope mirror at the Cerro Tololo Observatory in Chile. Removing Water spots were the primary purpose as the mirror was pretty clean. The water spot remover for the 1M was used and we only needed one application. I also have had instances where multiple coats of water spot remover and polymer are needed to remove pesky water spots, or heavier debris (bird droppings) from mirrors.

Brook Taylor
Photos courtesy of Las Cumbres Observatory.

I have attached a before and after from my last run. Here are some testimonials from me you can use anyway you see fit. This stuff removes spider webs like magic, wow ! Dust, its outta here! Pollen, Cya later! Water spots or bug deposits need pre-treatment first. Easy to use. Works as advertised. I love the stuff, smells great! Will use it again and again. The Red poly is much better visually than the clear and helps to see the little pieces that can be left behind on the edges.
- James, AZ, USA

I’ve finally had a chance to use First Contact on the SPIRIT II telescope optics here at UWA, (clickable link) and wanted to convey my satisfaction. The product really does ‘work as advertised’ and was easy to use following your detailed instructions. Telescope optics, in particular, tend to include water soluble particles in the mix with dust, and my next cleaning will likely include a water pre-soak as outlined in your literature. Despite this, the results are quite spectacular on both mirror and lens surfaces.
- Paul, Univ. of Western Australia

The second coat definitely did the trick! Here's the mirror before and that's dust you can't blow off. The dirt and film are really on there! That's what it looked like after I blew it off with my camera lens puffer bulb. Simply amazing. Leaving it set for 24 hrs on the big mirror also made it come off perfectly! The film reminds me of that amazing elastic bubble plastic that was around when I was a kid! Now I have a solid argument on the telescope forums against the people who think if you even think of ever cleaning your mirror it'll blow up.. I'm sorry but I just can't see an optic, no matter what it's used for, transmit light better with years of dirt and film on it than a freshly cleaned one. Not a micro scratch ANYWHERE on the mirror!
- Brandon, OH, USA

I'm delighted with the results. Now, if I would just have read the directions the first time! I've included a couple pictures - the first shows the gunk on the lens before cleaning. The second shows the lens about a week after cleaning. Awesome! Please note that I processed both the before and after pictures to bring out the dust as best I could. (The few spots of dust in the "after" picture are due to the fact that waited over a week after cleaning to take it- so a little dust had settled back on the lens, and I processed the picture to make that dust as visible as possible in the photo.) You may use these photos as you wish. And the most important thing I learned- if it doesn't work the first time, read the instructions and try again :)
- Craig, USA

I have an Obsession 18 Classic I wanted to get in tip top shape. I’ve used your product once before perhaps around 2010. (I used First Contact and) The
results were amazing and it’s likely I’ll never use anything else on expensive first surface optics. Some may think your product expensive but weigh that
against the opportunity for disaster handling 65 lbs. of Pyrex or the cost of shipping and coating the mirror. In my opinion, anyone that would take their mirror out and use detergent, water and cotton on first surfaces is nuts… Here's a link to my removal video: Obsession Mirror Cleaning. (PCT Note: While Chris' removal technique worked, it is not the suggested method as it creates tension at the substrate interface. PCT's suggested removal technique is to peel the dry polymer film as described in product instructions.) I did my mirror on Friday and it came out as beautiful as expected. It looks like the day I received it from Obsession Telescopes!

30 minutes of prep and application, let dry a few hours with some air moving over it and finished in 3 minutes.
-Chris W. Twin Falls, ID 3-26-2018

Thought you might like to see the results of my cleaning of the corrector plate of the 12-inch Meade Classic LX-200 which we will be using for our TESS TFOP SG-1 ground based photometry work. The results were spectacular! I have included a few images of the before appearance and one of the finished result!

I am very happy with the results!! (And) I'm very happy about being able to finally get the optics clean again (and to) share my cleaning experience!

Myron Wasiuta,
Spotsylvania, VA
MSRO Science
& Mark Slade Remote Observatory

Amazing success! We were able to clean small, permanently mounted, curved mirrors in a compact setting extremely easily - and the results were stellar! Much better than we ever could have done with our old methods. We love the product!

Zack C., Department of Physics, Univ. of Virginia, Charlottesville 2-1-2018

The camera sensor that I have never been able to get properly clean before now seems to be free of dust specks for the first time thanks to First Contact (ESD formula). - Chris, New Zealand

I had a very positive experience cleaning the primary mirror of my 14" Ritchey-Cretien telescope.

My observatory is surrounded by pine trees and the mirror was quite "dirty" with pollen and water spots. I initially tried a small area near the edge of the mirror to see if the polymer would remove the water spots, but they persisted (the pollen and other contaminants were removed). So I then ordered the water spot treatment. Per the directions, I applied the water spot remover and the polymer and about 45 minutes later I had a clean mirror.

The instructions and videos were well done. I will use your products (and process) for future cleanings.

I've attached before and after photos. I apologize for the poor quality (I didn't plan on sharing them) but if you zoom in on the "before" image you can get a feel for how dirty the mirror was. All of the loose flocking material and blue tape were temporarily installed to address a separate issue not related to cleaning the mirror.
Jeff Haidet, North Carolina, USA

I finally got around to using First Contact on my Televue refractor over the weekend. It's an understatement to say that I am very pleased with the results. I haven't seen the lens this clean since I bought it. You're absolutely right about taking care not to let the solution seep under the retaining ring. There was one small section where I hadn't factored in the curvature of the lens and the solution "piled up" on the edge. No problem! I let it dry overnight and lifted off the mask entirely in one piece. Didn't even need the toothpicks!
I used the mesh at one edge and floss on the opposite edge just to cover my bases. I found that the floss worked better in my application because of the tight space - and it worked perfectly. If I ever need to clean my reflector I suspect the mesh would be superior with the mirror out of the cell and more accessible. Now with some experience under my belt I'm in the process of cleaning all my eyepieces and filters; especially the Paracorr lens which always seems to collect dew (and dewspots!). Thank you for an excellent product and in particular for your excellent instructions and tips for usage!
Jerry, CA, USA

After all the angst surrounding the cleaning of my CDK17 telescope, I figure you'd enjoy a positive report: the 17" mirror has been peeled with zero residual polymer left behind. I very much appreciate your technique of "painting" the perimeter of the mirror up to the aperture mask, then masking that area and spraying the overall mirror. I used the same technique at the center of the mirror, where some of the adhesive had oozed up between the baffle and the mirror--the masking technique directly solved the problem of getting the polymer stuck to the adhesive.

I was able to peel using 1/2 of a sticky pad from the kit. There was a little over-spray issue that got under part of my masking--I painted on a stripe of the polymer and peeled the problem away. I was somewhat concerned with this being my first use of First Contact--This was a textbook operation based directly on your guidance--thank you! I'll be moving on to lenses and filters--the polymer behaves exactly as described, so I am confident the remaining tasks will work without incident. Many thanks for the excellent product and equally excellent support.
- John, OR, USA

I had been searching for about 6 months for ways to clean mirrors and lenses without damaging their coatings when I came across your product while doing an internet search. It is almost humorous that their is no consensus on how and what to use to clean optics. Your product worked perfectly! Although I used it to clean many eyepieces and diagonals my primary use was to clean my 11" Celestron Edge HD Corrector Plate. After two years of use it was in need of cleaning. I cleaned it in place without removing it in 4 sections allowing the polymer to dry for 45 minutes between application. As instructed "Thicker is better" and I soon learned how to best apply the polymer. For the corrector plate I used a fine 3/4" brush I obtained from an art supply company. It worked very well and cleaned up nicely with acetone and ethanol. The only issues I had was when I applied it too thinly. When this happened I just applied a thicker coat over it and let it dry and pulled the polymer off. I am very satisfied with this product.
- Kim, CA, USA

I have a remote observatory in the Patagonia mountains of southern Arizona. I also do some imaging out of my backyard in Tucson Arizona. I have a 130mm refractor in the observatory and 100mm refractor at home. I also image with an 8" SCT. All of these need cleaning at one time or another. My 100mm refractor is my oldest and the most in need of cleaning. It is also my cheapest instrument, so it makes a good learning experience. Below are images from my first cleaning. A before shot, objective with the polymer drying, a shot of my cleaning setup (the dew shield unscrews which made access easier) and an after shot that show how much cleaner my objective is. I always approach cleaning optics with some trepidation. Will I be doing damage by cleaning? I will say this is the most confident I have ever been about cleaning my optics.

I am an astrophotographer. My images are at: https://www.astrobin.com/users/andrewjbarton/

My 130mm inside my remote observatory:: https://www.astrobin.com/l3v0tz/B/?nc=user
- A. Barton, Tucson, AZ

Just a quick note to let you know that I used the First Contact kit on the mirror of the CCA-250, and it seems to have worked quite well. The mirror surface was quite small enough simply to use the brush, so I didn't have to spray at all. After beginning application, I realized that it was easier just to pour a bit of the polymer solution directly onto the mirror and spread it out with the included brush. Application took about 15 minutes, with a drying time of 50 minutes at a room temperature of approximately 70 degrees F. The polymer just pulled right off at that point with no residue. There are no spider webs left on the mirror surface, which will make absolutely no difference to the optical performance, but which makes me feel better. ;-) The thin layer of dust was also cleared away. Thanks for the good advice on using an effective product!
- Greg, Carlsbad, CA, USA

The polymer film worked great at stripping away all the stuck bug poop, pollen and tons of stuck on dust from my Astro-Tech 10" RC. The only problem during cleaning was a drop from the pipette would run down the mirror concave surface when applied On reviewing after finished, my ambient conditions were around 90 degrees when I cleaned the mirror and my guess is the viscosity dropped due to the high temperature. I was not fast enough at initial application and some polymer flowed under the vertical tube but I was able to use unwaxed floss to clean the polymer residue. For some reason one square inch area did not clean well on the mirror surface, so I spot cleaned this area only with First Contact and was successful.

Peter L., Green Valley, AZ, USA

Excellent results! I just used your (First Contact Polymer) product on a Tak TOA130 objective and I could not be happier with the results.
Thank You. Rick D. Key Largo, FL 1-25-2018

I used First Contact with the water spot remover on my Takahashi 130 and it worked fantastic! You really have one of those few products that are at the same time hard to believe yet it really does what you say it will.
- Mark, California, USA

WOW !! is all I can say. This product worked miracles on my very precious 16 inch F2.9 mirror. I've store this scope in the garage and I looked at it last week and found something had made a home for itself- a squirrel or mouse- in the scope rocker box. There were droppings and acorns and debris all about. And some had made their way onto the mirror surface thanks to air currents. I have another problem with Brown Marmorated Stink Bugs. They crawled across my mirror this fall as well. When I tried to clean the mirror with a drop of soap and distilled water I always had blue streaks across the mirror's surface. Exactly as pictured after I washed it today.

I used the small bottle and 1 large bottle (of First Contact polymer) to cover the mirror, and let it set a good hour and a half. It was touch and go to get the film to lift at first- I carefully scored the beveled edge of the mirror with a knife to loosed any overhanging film, and it slowly started to come up. Then it came off in one piece. I am amazed ! The mirror looks fantastic. I'm a very happy camper. I was resigned to having to live with those streaks and never seeing my mirror as clean as the day it arrived. Now if I ever have that problem again, I'll know I can take care of it.

Michael O'Gara, New York