TELPE MIRRORS, BLANKS, TOOLS, TESTERS, GRINDING MATERIALS, POLISHING MATERIALS, ALUMINISING, MIRROR BOX, RONCHI, LASER, FOUCAULT, ... " " $4AUD 500 " " $6AUD 1000 " " $8AUD 1600 " " $8AUD Cerium Oxide " $8AUD Lap resin kit " $15AUD SECONDARY/DIAGONAL MIRRORS Secondary Mirrors …
12 Inch Mirror Blanks, 3/4" Thick: $69 + S&H (16); Shipping prices are to the USA - not shipping outside the US, sorry Combined shipping is possible - Write For a complete mirror making KIT, …
Telpe Mirror coating - recoating - aluminising, telpe mirror blanks, polishing, grinding and pitch supplies. View Basket (0) £0.00 ex VAT View Quote (0) Register Login. Telephone: +44 (0) 1268 728077 | Fax: +44 (0) …
Telephone: +44 (0) 1268 728077. Stock Specification. All our Mirror Kits contain a Pilkington Float Glass mirror blank and Grinding Tool. These arefinished with fine ground edges. 180 grade first stage ginding powder. …
Welcome to Firsthand Discovery! We are suppliers of amateur telpe makers worldwide. On our website you will find a number of telpe mirror making kits. All of our blanks, …
Making a telpe is fun, and it's amazing to think that with your own hands you can make a telpe that rivals any (and surpasses most!) telpe optics on the commercial market today. We'd like to help you follow in the path forged by Isaac Newton and make your own powerful reflecting telpe mirror. Please visit our new …
Obtain the right glass. Choose solid grinding tools. Choose the best position to work on mirrors by hand. Grind the back flat. Try and prevent astigmatism. After having the ground and face of the mirror flat through the 220, you are good to begin rough grinding the curve into the mirror. Do some fine grinding.
AGI also supplies Schott SUPREMAX 33 mirror blanks. SUPREMAX 33 is a borosilicate Pyrex equivalent, and is an excellent alternative for telpe mirror blanks. Our blanks have the following standard characteristics: …
Joined: 03 Jul 2014. Posted 16 July 2014 - 06:31 PM. I purchased my 8" mirror making kit from Newport Glass and it included a Pyrex blank, a plate glass tool, all the grits needed from silicon carbide #80 grit for rough grinding through cerium oxide for polishing and figuring. The kit also contains enough pitch to make two pitch laps if you …
Contact Us GotGrit Tom Moulton 1548 Crossvine Court Trinity, FL 34655 727-389-4193 tom@gotgrit
Welcome to Firsthand Discovery! We are suppliers of amateur telpe makers worldwide. On our website you will find a number of telpe mirror making kits. All of our blanks, abrasives, polish, pitch and etc are available individually as well. If you are looking for information on amateur telpe making or astronomy, check out our ...
For large thin mirrors, say 12 inches [30cm] or greater and 1.5 inches [4cm] or thinner, the mirror back must be ground flat, or at least regular in shape before beginning fine grinding the mirror's face. Cast a …
Grinding kit suppliers in Europe? - posted in ATM, Optics and DIY Forum: Hi, can anyone please recommend me a good supplier of mirror grinding kits in Europe? I already have the mirror blanks, but Im stucked with buying the abrasives and other stuff. I need to find a supplier with a webshop who can send things abroad and accepts credit …
Plastic protractor inserted under a 6 inch mirror blank during a stress test, to illustrate what stress would look like - if there were any present. All blanks test like this, or they don't ship. Mirror Blank …
TELPE MIRRORS, BLANKS, TOOLS, TESTERS, GRINDING MATERIALS, POLISHING MATERIALS, ALUMINISING, MIRROR BOX, RONCHI, …
As Howard's book describes the grinding and polishing of an 8 inch f7 mirror, another trip to Brunnings was necessary to purchase a mirror-making kit. After a while, I managed to rough grind the mirror to f7, but like you, other time-consuming activities came along which left little time to complete it, so the project was put on the back burner.
Each kit comes with a telpe mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to …
Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16", 70% of 12.5" …
Astronomical (mirror blanks, kits, grinding & polishing material, finished components, supplies) Bent or Slumped Glass ( for instrumentation, fixtures, helicopter …
Read Jean Texereau, How to Make a Telpe, even if you do find a good mentor to work with. It's a classic, very well written and the methods he describes are still spot on, in year 2020. I would recommend NOT starting with a thin mirror, a really big mirror, or a really fast mirror. An 8 inch f/6 or even 6 inch f/8 is a great starting point.
Read Jean Texereau, How to Make a Telpe, even if you do find a good mentor to work with. It's a classic, very well written and the methods he describes …
Reflection: 93%. Focal ratio f/4.5 and slower. PRICE: 4370 EUR. Focal ratio faster then f/4.5. PRICE: 4810 EUR. *excl.Shipping costs. Contact us for prices of any diameters which is not listed here or for thicker mirrors. Here you can see the independent test results of two of our telpe mirrors.
Astronomical (mirror blanks, kits, grinding & polishing material, finished components, supplies) Bent or Slumped Glass ( for instrumentation, fixtures, helicopter light covers, camera windows, telpe mirrors, infrared mirrors, etc.) Chemically Strengthened Glass. Colored Optical Filter Glass (by manufacturers)