Mirrors, Prisms & Holders

Celestron 90-Degree Mirror Diagonal,  2" 93519 NEW!
Celestron 90-Degree Mirror Diagonal, 2" 93519 NEW!
$74.95
Telescope Eyepiece Adapter 2 to 1.25 compression ring
Telescope Eyepiece Adapter 2 to 1.25 compression ring
$0.99
$15.00
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
$68.88
D114 F1000mm Newtonian reflector telescope mirror
D114 F1000mm Newtonian reflector telescope mirror
$0.99
Telescope mirror 6.5 inches and holder coated
Telescope mirror 6.5 inches and holder coated
$9.99
Skywatcher 90 Deg, 2in Digonl Mirror f Refractr Telescps
Skywatcher 90 Deg, 2in Digonl Mirror f Refractr Telescps
$44.95
Celestron NexStar 4 Telescope 45° Erecting Diagonal
Celestron NexStar 4 Telescope 45° Erecting Diagonal
$39.99
12.5" F 4.4 Sandwich Parabolic Telescope Mirror
12.5" F 4.4 Sandwich Parabolic Telescope Mirror
$355.00
Telescope Mirror Cell for 10" Royce Conical Primary
Telescope Mirror Cell for 10" Royce Conical Primary
$169.99
Telescope Mirror Cell for 12.5" Royce Conical Primary
Telescope Mirror Cell for 12.5" Royce Conical Primary
$189.99
Telescope Mirror Cell for 12.5" Royce - w  cooling fan
Telescope Mirror Cell for 12.5" Royce - w cooling fan
$214.99
Telescope Mirror Cell for 10" Royce - w  cooling fan
Telescope Mirror Cell for 10" Royce - w cooling fan
$194.99
William Optics 1.25" Carbon Fiber Dielectric Diagonal
William Optics 1.25" Carbon Fiber Dielectric Diagonal
$88.00
Lumicon LumiBrite 99% Dielectric Diagonal - 2"
Lumicon LumiBrite 99% Dielectric Diagonal - 2"
$239.95
Meade 6x30 aluminum telescope finder bracket gray NEW!
Meade 6x30 aluminum telescope finder bracket gray NEW!
$2.95
2.5" Edmund telescope newtonian mirror blem coating
2.5" Edmund telescope newtonian mirror blem coating
$2.95
Meade roof prism set for eyepiece,  telescope experiment
Meade roof prism set for eyepiece, telescope experiment
$4.95
Celestron 90° Erect Image Amici Diagonal for Telescope
Celestron 90° Erect Image Amici Diagonal for Telescope
$34.99
4.5" F8 telescope mirror,  secondary and holder kit blem
4.5" F8 telescope mirror, secondary and holder kit blem
$14.95
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
$68.88
Galileo DKV Single Axis Motor Drive and Handbox
Galileo DKV Single Axis Motor Drive and Handbox
$29.99
Celestron 50mm Finder Bracket for Telescope Finderscope
Celestron 50mm Finder Bracket for Telescope Finderscope
$28.99
CARBON FIBER TELESCOPE OPTICAL TUBES
CARBON FIBER TELESCOPE OPTICAL TUBES
$245.00
MEADE 07217 #928 45* ERECT IMAGE DIAGONAL PRISM (1.25")
MEADE 07217 #928 45* ERECT IMAGE DIAGONAL PRISM (1.25")
$19.00
Rare Copper Parabolic Mirror 12" Dia. - 7' 8' Focal Pt.
Rare Copper Parabolic Mirror 12" Dia. - 7' 8' Focal Pt.
$50.00
MISCELLANEOUS ANGLE PRISM,  LARGE
MISCELLANEOUS ANGLE PRISM, LARGE
$9.90
MISC. MIRROR ASSEMBLY
MISC. MIRROR ASSEMBLY
$9.90
GALILEO 1.25" FORMAT 4 PIECE TELESCOPE ACCESSORY KIT
GALILEO 1.25" FORMAT 4 PIECE TELESCOPE ACCESSORY KIT
$69.99
NEW 6" Primary Spherical Telescope Mirror FREE SHIP
NEW 6" Primary Spherical Telescope Mirror FREE SHIP
$44.98
45 Degree Erecting Prism for Meade ETX Telescopes New
45 Degree Erecting Prism for Meade ETX Telescopes New
$44.99
CELESTRON  T ADAPTER
CELESTRON T ADAPTER
$49.00
 CELESTRON  HIRSCH T ADAPTER
CELESTRON HIRSCH T ADAPTER
$29.00
CELESTRON 6x30 SCOPE FINDER  7 DEGRESS FIELD
CELESTRON 6x30 SCOPE FINDER 7 DEGRESS FIELD
$59.00
CELESTRON 10mm1.25"  CELESTRON 10mm TELESCOPE  EYEPIECE
CELESTRON 10mm1.25" CELESTRON 10mm TELESCOPE EYEPIECE
$39.00
CELESTRON 15mm1 1 4"  CELESTRON 15mm TELESCOPE EYEPIECE
CELESTRON 15mm1 1 4" CELESTRON 15mm TELESCOPE EYEPIECE
$49.00
20" Precision Optical Mirror Mount MM23
20" Precision Optical Mirror Mount MM23
$800.00
1-1 4" PORRO PRISM for REFRACTOR TELESCOPES
1-1 4" PORRO PRISM for REFRACTOR TELESCOPES
$65.00
CELESTRON STAR DIAGONAL-1 #94115-A  (1.25")-DEMO
CELESTRON STAR DIAGONAL-1 #94115-A (1.25")-DEMO
$29.00
TELEVUE TELE VUE FOCUSMATE FINE FOCUSER ATTACHMENT
TELEVUE TELE VUE FOCUSMATE FINE FOCUSER ATTACHMENT
$165.00
New Pyrex Mirror # 306 protected Gold 101.6mm x 25.4mm
New Pyrex Mirror # 306 protected Gold 101.6mm x 25.4mm
$300.00
TELEVUE TELE VUE FOCUSMATE DRIVER MOTOR AND CONTROL
TELEVUE TELE VUE FOCUSMATE DRIVER MOTOR AND CONTROL
$150.00
Large Astro Physics 5" Starfire Telescope Focuser
Large Astro Physics 5" Starfire Telescope Focuser
$129.00
ORION DEW HEATER STRIP 8 INCH SCT TELESCOPE DEW REMOVAL
ORION DEW HEATER STRIP 8 INCH SCT TELESCOPE DEW REMOVAL
$30.00
Erect Image .965" - 1.25" Hybrid Telescope Diagonal NEW
Erect Image .965" - 1.25" Hybrid Telescope Diagonal NEW
$24.99
CELESTRON 10mm1.25"  CELESTRON 10mm FULLY COATED
CELESTRON 10mm1.25" CELESTRON 10mm FULLY COATED
$39.00
NEW!! SkyMaster Zoom Binocular with BAK-4 prisms
NEW!! SkyMaster Zoom Binocular with BAK-4 prisms
$99.99
Celestron 2X Barlow 1.25" fully multi-coated
Celestron 2X Barlow 1.25" fully multi-coated
$0.99
Celestron 25mm SMA 1.25 1-1 4" wide angle EP 93007
Celestron 25mm SMA 1.25 1-1 4" wide angle EP 93007
$0.99
$15.00
orion 2" compression ring safety lock extension tube
orion 2" compression ring safety lock extension tube
$0.99
Telescope Eyepiece Adapter 2 to 1.25 compression ring
Telescope Eyepiece Adapter 2 to 1.25 compression ring
$0.99
$8.00
Telescope Eyepiece Adapter 2 to 1.25 compression ring
Telescope Eyepiece Adapter 2 to 1.25 compression ring
$0.99
$15.00
Telescope Eyepiece Adapter 2 to 1.25 Low profile
Telescope Eyepiece Adapter 2 to 1.25 Low profile
$0.99
$8.00
Vixen motor and hardware
Vixen motor and hardware
$0.99
TELESCOPE SF5 CONCAVE 9 1 2" LENS GLASS BLANK R 18.937
TELESCOPE SF5 CONCAVE 9 1 2" LENS GLASS BLANK R 18.937
$59.99
2 diagonals 90 and a 45 degree great for kids or party!
2 diagonals 90 and a 45 degree great for kids or party!
$0.99
CELESTRON 1-1 4 VISUAL BACK for SCT TELESCOPES
CELESTRON 1-1 4 VISUAL BACK for SCT TELESCOPES
$22.50
1-1 4 REFRACTOR TELESCOPE FOCUSER MEADE GREAT CONDITION
1-1 4 REFRACTOR TELESCOPE FOCUSER MEADE GREAT CONDITION
$45.00
Vintage Bausch & Lomb Optical Co. Telescope Mirror  Old
Vintage Bausch & Lomb Optical Co. Telescope Mirror Old
$9.99
MEADE SCT LX SERIES DEC MOTOR ASSEMBLY FOR PARTS!!!
MEADE SCT LX SERIES DEC MOTOR ASSEMBLY FOR PARTS!!!
$25.00
CELESTRON 40mm1.1 4" PLOSSL CELESTRON 40mm MODEL #93315
CELESTRON 40mm1.1 4" PLOSSL CELESTRON 40mm MODEL #93315
$79.00
JAPAN SMALL REFRACTOR 25X30MM EXPERMENTERS TELESCOPE
JAPAN SMALL REFRACTOR 25X30MM EXPERMENTERS TELESCOPE
$19.95
BINOCULARS TELESCOPE TRIPOD ADAPTER *NEW*
BINOCULARS TELESCOPE TRIPOD ADAPTER *NEW*
$8.58
CELESTRON 8 INCH SCT WEIGHT BAR
CELESTRON 8 INCH SCT WEIGHT BAR
$20.00
CELESTRON 8 INCH SCT WEIGHT BAR WITH SLIDING WEIGHTS
CELESTRON 8 INCH SCT WEIGHT BAR WITH SLIDING WEIGHTS
$75.00
TELE VUE STARBEAM WITH FLIP MIRROR UNIT FINDER TELEVUE
TELE VUE STARBEAM WITH FLIP MIRROR UNIT FINDER TELEVUE
$165.00
4.5" F8 telescope mirror,  secondary and holder kit blem
4.5" F8 telescope mirror, secondary and holder kit blem
$17.95
12 FACET SCAN MIRROR 12.5" DIAMETER 1.625" THICK
12 FACET SCAN MIRROR 12.5" DIAMETER 1.625" THICK
$100.00
GSO 2" 99% Dielectric Mirror Diagonal for SCT
GSO 2" 99% Dielectric Mirror Diagonal for SCT
$100.00
GSO 2" 99% Dielectric Mirror Diagonal for Refractor
GSO 2" 99% Dielectric Mirror Diagonal for Refractor
$100.00
Antares 0.965"-1.25" 45-deg Erect Image Hybrid Diagonal
Antares 0.965"-1.25" 45-deg Erect Image Hybrid Diagonal
$29.00
William Optics 1.25" Carbon Fiber Dielectric Diagonal
William Optics 1.25" Carbon Fiber Dielectric Diagonal
$88.00
William Optics 1.25" 45 degree Erecting Prism
William Optics 1.25" 45 degree Erecting Prism
$78.00
CELESTRON T.O. SOLAR FILTER T2  TELESCOPE 1000mmLENS
CELESTRON T.O. SOLAR FILTER T2 TELESCOPE 1000mmLENS
$69.00
ACCESSORY FOR CELESTRON TELESCOPE BARLOW, EYEPIECE
ACCESSORY FOR CELESTRON TELESCOPE BARLOW, EYEPIECE
$69.00
William Optics 2" 90 degree Erecting Prism
William Optics 2" 90 degree Erecting Prism
$198.00
GSO 2" 99% Dielectric Quartz Diagonal for Refractor
GSO 2" 99% Dielectric Quartz Diagonal for Refractor
$129.00
GSO 2" 99% Dielectric Quartz Mirror Diagonal for SCT
GSO 2" 99% Dielectric Quartz Mirror Diagonal for SCT
$129.00
Celestron 40mm Eyepiece 93315 Nexstar PLOSSL- 1 1 4"
Celestron 40mm Eyepiece 93315 Nexstar PLOSSL- 1 1 4"
$59.99
Acuter SuperWide  6x30 Binocular
Acuter SuperWide 6x30 Binocular
$49.00
Acuter  Waterproof 10x42 Binocular
Acuter Waterproof 10x42 Binocular
$69.00
Lumicon LumiBrite 99% Dielectric Diagonal - 1.25"
Lumicon LumiBrite 99% Dielectric Diagonal - 1.25"
$149.95
 CELESTRON  T ADAPTER CELESTRON
CELESTRON T ADAPTER CELESTRON
$29.00
 CELESTRON C90  ERECT IMAGE DIAGONAL FOR  1000mmLENS
CELESTRON C90 ERECT IMAGE DIAGONAL FOR 1000mmLENS
$69.00
1, 2 INCH _ 30 MM_ BEAMSPLITTER - HQO - TYP * * * NEW !!
1, 2 INCH _ 30 MM_ BEAMSPLITTER - HQO - TYP * * * NEW !!
$89.45
 CELESTRON  MINOLTA M 7000 T ADAPTER
CELESTRON MINOLTA M 7000 T ADAPTER
$24.00
2, 01 INCH = 51 MM RIGHT ANGLE PRISM_HQO-TYP BRILLIANTLY
2, 01 INCH = 51 MM RIGHT ANGLE PRISM_HQO-TYP BRILLIANTLY
$49.31
Celestron 93649 C60-RC Zoom Spotting Scope T Adapter
Celestron 93649 C60-RC Zoom Spotting Scope T Adapter
$24.95
Meade® LX Erecting Prisms - NEW
Meade® LX Erecting Prisms - NEW
$53.00
1.75" Secondary Mirror from R.F. Royce Telescope
1.75" Secondary Mirror from R.F. Royce Telescope
$79.95
Celestron 94112A Erect Image Prism for Refractor NEW!!
Celestron 94112A Erect Image Prism for Refractor NEW!!
$34.95
Pro-Optic Green Laser Pointer 5MW
Pro-Optic Green Laser Pointer 5MW
$29.95
C90 VISUAL CELESTRON TELESCOPE 1000mmLENS STAR DIAGONAL
C90 VISUAL CELESTRON TELESCOPE 1000mmLENS STAR DIAGONAL
$49.99
CELESTRON 5mm ORTHO - .96  CELESTRON  5mm
CELESTRON 5mm ORTHO - .96 CELESTRON 5mm
$42.00
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$34.00
Telescope Secondary Mirror 3.1 inch
Telescope Secondary Mirror 3.1 inch
$139.00
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$36.00
18 inch f 5 Pyrex Telescope Mirror
18 inch f 5 Pyrex Telescope Mirror
$2,700.00
GSO 1.25" 45-degree Erect Image Amici Prism Diagonal
GSO 1.25" 45-degree Erect Image Amici Prism Diagonal
$29.00
10 PIECES _4, 0 x 3, 0 MM RIGHT ANGLE MICRO - PRISM_HQO
10 PIECES _4, 0 x 3, 0 MM RIGHT ANGLE MICRO - PRISM_HQO
$79.25
William Optics 2" 90 degree Erecting Prism Diagonal
William Optics 2" 90 degree Erecting Prism Diagonal
$198.00