Paul McNabb founded the mirror lab in 1997 in order to create the best amateur telecopes possible. Inch for inch our mirrors surpass store bought or commercial grade scopes.

Part of the Saint Petersburg Astronomy Club Home of the 2017 OBS Star Party

Lab Members

Ralph Craig is a lab instructor and has made mirrors from 6 inches to his recently completed 16 inch f5 mirror.

Allen Maroney
has completed three mirrors in the lab between 8 and 18 inches. Allen is also buiding a second robo foucault tester based on James design.

Mike Davis
casts his own mirror blanks.

Irv Nadelhaft

Charlie Mullen ground the mirrors for two years worth of rafflescopes but now has moved on the clear skys of New Mexico.

Lab T-Shirts Available

Lab Alumni

Lenny Remetta

Keevy McAlavy

Bruce Kazcmarik

James Lerch built our robo foucault tester and in house aluminizing chamber as well as a laser interferometry testing setup.

Ron Jones AKA the figurer is about the best mirror maker this side of the mississippi. You can see things in his 8 inch mirror that would impress a takahashi devotee.


Russell W. Porter father of amateur astronomy and founder of Stellafane

Mel Bartels Website
Amateur Astronomer and innovator.

Stardate Website
Good overall observation site.

NGC Astronomers
Former member Matt Terry has his own astronomy club north of Tampa.

Southwest Florida
Astronomical Society

A nearby Astronomy club.

Telescope Software
Ray tracing program for determining all required dimensions for a newtonian reflector. (New Website)

Program for designing mirror cells.

Observing Software
3-D interactive simulation of the solar system and beyond.

Plots the jovian satellites.

Lunar Phase
Shows all the phases of the move and more.

Mirror Lab Home Mirror Making Supplies Robo Foucault Tester Telescope Gallery SPAC Library

  New Mirror Graduate Steve Kane
Congratulations to Steve Kane who completed a 10inch f/5.6 mirror that tested better than
1/5 wave.

  How to paint the inside of a tube

Paul demonstrates a device he made out of plumbing parts that allows the easy spray painting of
the inside of tubes.

  Two Mirror Graduates
Well done to Art Ross who completed a 10inch f/5 mirror and Richard Garner who
finished a 10inch f/6.2

  2005 Orange Blossom Special with John Dobson
John inspects Ralph's and Allens work. It was fun to discuss the finer points of mirror grinding
with one of the masters.

John autographs the 2005 Mirror Lab Rafflescope.

Allen Maroney held a digital camera up to a 26mm Plossl on a 3.1inch refractor

  OBS 2004 Images

  Large Aluminizing Chamber ONLINE

  Total Lunar Eclipse

November 8th, 2003

Total Lunar Eclipse

A movie of the event is available:
AVI (1.7MB) | href=images/movies/Eclipse_11-03_Divx.avi>Divx (1 MB)

We were at the Science Center most of
the evening. The clouds made it difficult to see during totality but before and afterwards it
was good viewing.

Lunar pictures by James Lerch

  Laser Interferometer goes online

  Radio Telescope íseesí first light.

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