Start with one of our telpe mirror kits. 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 your specifications. Please note that our kits do not include a …
Unfortunately, the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best. Yet, the larger the mirror you make the more money you can save when compared to buying a mirror already made. And before buying a kit, surf the ...
Gordon started with a 2" thick telpe mirror that weighed about 70 pounds. By thinning the blank, he's lightened the mirror by about 20 pounds! This vid...
Following in the footsteps of Greg Rohde (Superior Optical Supply), new owners Tim and Chris Anderson (Five Star Optical Supply) will continue to provide high quality, quartz mirror blanks to the amateur astronomy market. Quartz is a very pure glass with an extremely high melting point. Because quartz is much stronger than its Pyrex counterpart ...
This video shows a few initial stages of making a primary mirror for a 6" f/8 telpe. I'm a newbie so bear with me in my ignorance as a first timer making...
P.O. Box 1310, Wildomar, CA 92595, Tel: (909) 245-9636 Mirror grinding kits. Free catalog. 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 ...
If the mirror is too shallow continue rough grinding (see next section, hwoever); if too deep, invert the mirror and tool and grind with centred 1/3D strokes until the sagitta is reduced to the correct value; if just right, stop rough grinding. 2.5 Finishing rough grinding. When the required sagitta is almmost reached it is advisable to finish ...
Test Plates / Mirror Blanks. United Lens Company's test plates and mirror blanks are provided to our customers as either hand crafted molded blanks or precision machined cut blanks. They are manufactured in-house by our highly skilled molders and machinists from in-stock raw materials. They are available in a variety of diameter sizes and ...
Our intent is to provide a source for lower cost, mirror blanks, and supplies for grinding your own telpe mirror. If I had known as a kid how, well not easy, but indeed not as hard as I would have expected to grind my own mirror. I sure would have had a much nicer scope then. At present we have a supply of high quality Pyrex mirror blanks.
Orion Observer 114mm Equatorial Reflector Telpe Kit. With big 4.5"-diameter mirror optics and a sturdy EQ mount to manually track your target objects, this capable beginner telpe is a cut above typical starter models. This value-added Kit includes five essential extras to enhance your experience. $229.99.
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 400 grade ginding powder 303 grade smoothing powder Top quality Cerium Oxide Polishing powder.
If you'd like to buy a complete mirror grinding KIT, with all abrasives and grinding tool included, please see the Buy Telpe Mirror Kits website for the lowest prices on plate glass telpe mirror grinding kits.
For this project (my first time ever grinding a mirror) I ordered an 8″ Black Vitrified Ceramic (BVC) blank without a pregenerated curve from ASM Products in Ste-Basile PQ. Ordering from Canada is always cheaper once you factor in all the taxes – all told the kit cost about $185. It includes Aluminum Oxide grits in 46, 80, 100, 240, 500 ...
Now days it is easer to buy finished mirrors than grinding kits to make them. Still grinding your own mirror is a key skill that makes you a real telpe maker. To grind a telpe mirror by hand you simply attach a glass tool the same size as …
I tried the short gear from the kit and the grinding problem went away but I then had the mid rotate stall problem. I tried the new motor with worm and that didn't change anything. I finally called it quits due to diminishing interest levels. (I've probably had the mirror on/off the car 15 times now troubleshooting)
American General Tool BRTVSP4KIT HARDIN Vsp5 Var Speed Polisher & Pad Set. $174.41 New. 7x White Cotton Pad Polishing Buffing Wheel Rims Kit for Car Motorcycle Drill US. 5 out of 5 stars. (1) Total Ratings 1, $14.98 New.
The standard kit includes all the finished optical components needed to build a Newtonian reflecting telpe; namely, the primary concave mirror, the secondary flat mirror, two eyepieces of 25mm and 12.5mm focal lengths, one Barlow lens that increase the power of any of the eyepieces from 1.5x to 4x times, a 25mm diameter objective lens and ...
Jim's Mobile, Inc. (JMI Telpes) is a world renowned manufacturer of astronomical telpes and aftermarket accessories for the amateur and professional astronomer. We manufacture telpes and accessories such as telpe wheels, carrying cases, guiding computers, focusers, motors and motor controls and much more.
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Telpe Kits. Here at OPT, we know how long and complex a process it can be to hand pick every single component of your astronomy setup to go perfectly with your telpe. Thats why we offer a wide variety of telpe kits to do the hard work for you! We have a wide array of pre-prepared kits available for u...
Grinding and polishing Material: Grinding and polishing compounds I have nearly always in stock. A complete material set includes silicon carbide grit #80, #180, #320, Aluminum oxyde with specific flat grit shape and tight size distribution Microgrit WCA 25my, 15my, 9my, 5 my, 3 my, polishing powder CER-SKX (a very fine and pure cerium oxide) and optical pitch of 28° hardness.
Telpe Mirror Kits Firsthand Discovery. Start with one of our telpe mirror kits 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 your specifications Please note that our kits do not include a grinding tool or pitch lap If you need …
This is a GotGrit kit I bought more than a year ago and never had the time or the energy to carry through with The kit is similar to the "12-inch Grinding Kit" listed on the GotGrit website for 84.65 -- Except It has 30 pounds instead of 15 pounds of …
Save money and time by purchasing a telpe mirror kit. This kit includes an 10 inch telpe mirror blank, all the silicon carbide grits, white aluminum oxide powders, gugolz pitch, and cerium oxide polish you will need to grind and polish an 10 inch telpe mirror all bundled in one spot. This will get you on a great start to building your own telpe.
Here is a stack of my home-made 8 and 10 inch mirror blanks. The second from the bottom is the one above. I can use the thinner blank below it as the grinding tool. UPDATE I have started rough grinding one of my home-made 10in glass blanks. Here is an action shot of me, pushin' glass. I am aiming for an f/5 mirror.
Much is also unchanged - mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of …
Obsession Telpes feature primary mirrors made by two of the best established and most reputable optical companies serving the astronomy community today. Optical Mechanics Inc. (OMI) supplies Obsession with 12.5" to 25" aperture mirrors. Ostahowski Optics supplies Obsession with 15" to 22" aperture mirrors. Ostahowski Optics is well known as ...
Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length. The curve should be spherical. Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding tool. The curve is pre-generated for you.
Grinding the back flat is just the first step in preventing astigmatism. The next step is the proper mirror support. Fine grind and polish the mirror face up. A thin mirror bends over the edge of the tool if it's worked on top, so the problem reduces to supporting the mirror from its underside.
My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telpe mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. …