ATM's Resource List

An internet resource for Telescope Makers, Amateur Opticians, and Amateur Astronomers since 1990

Last revised: December 22, 2010

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I. Mirror Making Kits and Supplies

The following companies sell telescope making supplies, including mirror blanks, lens blanks, abrasives, polishing agents, and other helpful accessories.


Firsthand Discovery/

Blanks, mirror kits, books. Visit Firsthand Discovery or email

Glass Fab Inc.

257 Ormond St, Rochester, NY 14605, (716) 262-4000. Blanks, including Sitall. Visit Glass Fab, Tom Moulton, 3507 Town Avenue, New Port Richey, FL 34655 Grit, Pitch and Tile Tool Kits (Dental Stone and Pre-cut tile). The website is obviously:, or email Check out his tutorial on how to make your own tile tools.


Hextek, Inc., P.O Box 42943, Tucson, AZ 85733, phone: (520) 623-7647, fax: (801) 720-1503 Only producers of large, lightweight blanks by the Gas Fusion method. Not sure they sell to individual ATMs. Visit Hextek or email...

ISP Optics

ISP Optics, 1 Bridge St., Irvington, NY, 10533. Phone 914-591-3070 fax 914-591-3715 WATS (in the US) 800-909-4207 Write Or visit ISP Optics Supplier of "exotic" materials, especially astrositall.

Ocean State Abrasives

Ocean State Abrasives, Inc.,Box 1, 1454 Main St., West Warwick, RI 02893 phone 401-825-7788 or FAX 401-825-7789 Complete line of abrasives, pitch, polishes and polishing pads. They feature an Amateur Telescope Starter Kit - a deluxe kit with all the supplies you'll need for several mirrors. Visit Ocean State Abrasives or contact Jim or Dan Fox at or

Optic Wave Laboratories

11358 Amalgam Way, Suite A2, Gold River, CA 95670 Phone: (916) 671-5962 or Fax: (916) 671-5669 Supplier of lightweight, cellular mirror blanks. Visit Optic Wave Laboratories or email .

Optical Mechanics, Inc.

Optical Mechanics, Inc., Iowa Headquarters: Telephone: 319-351-3960 Fax: 319-351-3943, West Coast Office: Telephone: 530-694-2221 Fax: 530-694-2221 Formerly Torus Precision Optics. This is the company that produces the mirrors for the Obsession line of telescopes. They stock mirrors from 12.5" to 25" f4, and will also re-figure any mirror you might have in this size range. Their optics also include classical and Ritchey- Chretien cassegrain sets. They also sell complete cassegrain telescopes. For a limited time they have about 200 each of 4", 6" and 8" fine annealed Pyrex blanks at a big discount Go to Optical Mechanics or email President and Chief Optician James Mulherin for more information.

Newport Glass Works, Ltd.

1631 Monrovia Avenue, Costa Mesa, CA 92627 Tel: (949)645-1500, (800)784-2100 Supplies pyrex blanks, tapered (SCT) blanks, lens blanks, colored filter blanks, plus abrasives and pitches. Go to Newport Glass

"Perfect Pitch" Laps

Kevin McCarthy, 36 Forrest St., Plaistow, NH 03865 phone:603-382-7121 east coast evenings only"Fast, Perfect Pitch Laps" are promised with the pitch lap molds sold here. Visit Perfect Pitch Laps ( or email

Palomar Optical Supply

P.O. Box 1310, Wildomar, CA 92595, Tel: (909) 245-9636 Mirror grinding kits. Free catalog.

Superior Optical, LLC

16785 SW Whitley WAY, Beaverton, Oregon 97006-4983, (503)-629-5475 High quality quartz mirror blanks for the ATM. As of this writing ('07) they have a great price on a 20" blank.... Visit or email

Salem Distributing Company, Inc.

5901 Gun Club Road, W-S, NC 27103, Phone 800-456-8468 or 336-766-1104, FAX 800-944-8468 or 336-766-1119. Originally the source of the ophthalmic polishing pads discussed in S&T;'s ATM column, they now sell a complete line of grits and polishing agents. Very friendly. These folks sell primarily to the eyeglass industry, but are happy to have ATMs as customers. Visit or email

Sutton Scientifics, Inc

Precision Optics Division, PO Box 310, 246 West College Street, Star, NC 27356 phone(910)428-1617 fax (910) 428-1616 A new source of supplies for the mirror maker. Manufacturer of the Acculap synthetic pitch, they are a source for for Fujimi PWA platelet white alumina powder and black silicon carbide grits from UK Abrasives, "an older extremely superior Cerium Oxide Slurry called Regipol 970"

Swift Glass

Swift Glass Co., Inc., P.O. Box 879, 131 West 22nd Street Elmira, New York 14902 USA Phone 1-607-733-7166 or 1-800-53-SWIFT Fax 1-607-732-5829 Swift Glass is a supplier of optical glass and services for industry. They are said to have good prices and be easy to work with. Send them your requirements, and they'll reply with a quote quickly. Visit or email

United Lens Co., Inc.

259 Worcester St. Southbridge, MA 01550-1325, 508/765-5421 Fax: 508/765-0500 United is a major producer of optical glass for industry. A recent contact with Kenny Plouffe in sales shows willingness to deal with ATM orders. They have been reported as a source of pre-rough shaped blanks in unit quantities, and refractor objective blanks. Visit or email

Willmann-Bell, Inc.

P.O. Box 35025, Richmond, VA 23235 phone 804-320-7016 catalog $1 Consistently good recommendations on the net. Pyrex blank/Pyrex tool kits, ceramic tiles for tools, plus a complete line of pitch and abrasives. Note that although W-B has a website (see the book listings, below) they don't list their ATM supplies on the website. You'll need the catalog.


A.J.'s Telescope Workshop

A.J.'s Telescope Workshop, P.O. Box 331, Ste-Julie, Quebec J3E 1X7 Ph.: (514) 809-4532 Fax: (514) 809-0288 Supplier of black vitrified ceramic mirror blanks. Visit A.J.'s Telescope Workshop ... or email...

Eftonscience Inc.,

3350 Dufferin St., Toronto, Ont. M6a 3A4 ph 416-787-4581 Go To Eftonscience Their web site says you can get one catalog free.

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