Eyepieces and Telescope Accs » Mirrors Prisms and Holders


18 inch f 5 Pyrex Telescope Mirror
18 inch f 5 Pyrex Telescope Mirror
$2,700.00
18 inch f 5 Pyrex Telescope Mirror
12.5" F 4.4 Sandwich Parabolic Telescope Mirror
12.5" F 4.4 Sandwich Parabolic Telescope Mirror
$355.00
12.5" F 4.4 Sandwich Parabolic Telescope Mirror
New Pyrex Mirror # 306 protected Gold 101.6mm x 25.4mm
New Pyrex Mirror # 306 protected Gold 101.6mm x 25.4mm
$300.00
New Pyrex Mirror # 306 protected Gold 101.6mm x 25.4mm
CARBON FIBER TELESCOPE OPTICAL TUBES
CARBON FIBER TELESCOPE OPTICAL TUBES
$245.00
CARBON FIBER TELESCOPE OPTICAL TUBES
Orion Binoc Viewer f Telescopes w 2 Sirius Plossl Eyepc
Orion Binoc Viewer f Telescopes w 2 Sirius Plossl Eyepc
$242.95
Orion Binoc Viewer f Telescopes w 2 Sirius Plossl Eyepc
Lumicon LumiBrite 99% Dielectric Diagonal - 2"
Lumicon LumiBrite 99% Dielectric Diagonal - 2"
$239.95
Lumicon LumiBrite 99% Dielectric Diagonal - 2"
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 12.5" Royce - w cooling fan
William Optics 2" 45 degree Erecting Prism Diagonal
William Optics 2" 45 degree Erecting Prism Diagonal
$209.00
William Optics 2" 45 degree Erecting Prism Diagonal
8" F 5 Primary Parabolic Telescope Mirror
8" F 5 Primary Parabolic Telescope Mirror
$199.00
8" F 5 Primary Parabolic Telescope Mirror
William Optics 2" 90 degree Erecting Prism
William Optics 2" 90 degree Erecting Prism
$198.00
William Optics 2" 90 degree Erecting Prism
William Optics 2" 90 degree Erecting Prism Diagonal
William Optics 2" 90 degree Erecting Prism Diagonal
$198.00
William Optics 2" 90 degree Erecting Prism Diagonal
Telescope Mirror Cell for 10" Royce - w  cooling fan
Telescope Mirror Cell for 10" Royce - w cooling fan
$194.99
Telescope Mirror Cell for 10" Royce - w cooling fan
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 Conical Primary
Lumicon Enhanced 2" Refractor Diagonal for Telescopes
Lumicon Enhanced 2" Refractor Diagonal for Telescopes
$189.95
Lumicon Enhanced 2" Refractor Diagonal for Telescopes
Tele Vue 90 Degree Everbrite Diagonl 1.25in w Clmp Ring
Tele Vue 90 Degree Everbrite Diagonl 1.25in w Clmp Ring
$178.95
Tele Vue 90 Degree Everbrite Diagonl 1.25in w Clmp Ring
Telescope Mirror Cell for 10" Royce Conical Primary
Telescope Mirror Cell for 10" Royce Conical Primary
$169.99
Telescope Mirror Cell for 10" Royce Conical Primary
Olivon 2" Multicoated Erecting Prism diagonal on sale
Olivon 2" Multicoated Erecting Prism diagonal on sale
$159.00
Olivon 2" Multicoated Erecting Prism diagonal on sale
William Optics 2" Carbon Fiber Dielectric SCT Diagonal
William Optics 2" Carbon Fiber Dielectric SCT Diagonal
$159.00
William Optics 2" Carbon Fiber Dielectric SCT Diagonal
Lumicon LumiBrite 99% Dielectric Diagonal - 1.25"
Lumicon LumiBrite 99% Dielectric Diagonal - 1.25"
$149.95
Lumicon LumiBrite 99% Dielectric Diagonal - 1.25"
Olivon EZ Explorer 10x42 Binoculars Sale
Olivon EZ Explorer 10x42 Binoculars Sale
$149.00
Olivon EZ Explorer 10x42 Binoculars Sale
Olivon 2"-1.25" 90 degree mirror diagonal Aluminum coat
Olivon 2"-1.25" 90 degree mirror diagonal Aluminum coat
$149.00
Olivon 2"-1.25" 90 degree mirror diagonal Aluminum coat
Telescope Secondary Mirror 3.1 inch
Telescope Secondary Mirror 3.1 inch
$139.00
Telescope Secondary Mirror 3.1 inch
GSO 2" 99% Dielectric Quartz Diagonal for Refractor
GSO 2" 99% Dielectric Quartz Diagonal for Refractor
$129.00
GSO 2" 99% Dielectric Quartz Diagonal for Refractor
GSO 2" 99% Dielectric Quartz Mirror Diagonal for SCT
GSO 2" 99% Dielectric Quartz Mirror Diagonal for SCT
$129.00
GSO 2" 99% Dielectric Quartz Mirror Diagonal for SCT
William Optics 2" Carbon Fiber Dielectric Diagonal
William Optics 2" Carbon Fiber Dielectric Diagonal
$129.00
William Optics 2" Carbon Fiber Dielectric Diagonal
Olivon 2"-1.25" 90 mirror diagonal Dielectric coat
Olivon 2"-1.25" 90 mirror diagonal Dielectric coat
$129.00
Olivon 2"-1.25" 90 mirror diagonal Dielectric coat
William Optics 2" Carbon Fiber Dielectric Diagonal
William Optics 2" Carbon Fiber Dielectric Diagonal
$128.00
William Optics 2" Carbon Fiber Dielectric Diagonal
12 FACET SCAN MIRROR 12.5" DIAMETER 1.625" THICK
12 FACET SCAN MIRROR 12.5" DIAMETER 1.625" THICK
$100.00
12 FACET SCAN MIRROR 12.5" DIAMETER 1.625" THICK
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 SCT
GSO 2" 99% Dielectric Mirror Diagonal for Refractor
GSO 2" 99% Dielectric Mirror Diagonal for Refractor
$100.00
GSO 2" 99% Dielectric Mirror Diagonal for Refractor
Vixen Diagonal Flip Mirror
Vixen Diagonal Flip Mirror
$99.95
Vixen Diagonal Flip Mirror
Lumicon 1.25" Enhanced Refractor Diagonal for Telescope
Lumicon 1.25" Enhanced Refractor Diagonal for Telescope
$99.95
Lumicon 1.25" Enhanced Refractor Diagonal for Telescope
1, 2 INCH _ 30 MM_ BEAMSPLITTER - HQO - TYP * * * NEW !!
1, 2 INCH _ 30 MM_ BEAMSPLITTER - HQO - TYP * * * NEW !!
$89.45
1, 2 INCH _ 30 MM_ BEAMSPLITTER - HQO - TYP * * * NEW !!
CELESTRON  26mm  CELESTRON 26mm E-LUX 2"
CELESTRON 26mm CELESTRON 26mm E-LUX 2"
$89.00
CELESTRON 26mm CELESTRON 26mm E-LUX 2"
William Optics 1.25" Carbon Fiber Dielectric Diagonal
William Optics 1.25" Carbon Fiber Dielectric Diagonal
$88.00
William Optics 1.25" Carbon Fiber Dielectric Diagonal
William Optics 1.25" Carbon Fiber Dielectric Diagonal
William Optics 1.25" Carbon Fiber Dielectric Diagonal
$88.00
William Optics 1.25" Carbon Fiber Dielectric Diagonal
WILLIAM OPTICS CO. 2 INCH MIRROR DIAGONAL TELESCOPE
WILLIAM OPTICS CO. 2 INCH MIRROR DIAGONAL TELESCOPE
$85.00
WILLIAM OPTICS CO. 2 INCH MIRROR DIAGONAL TELESCOPE
WILLIAM OPTICS CO. 2 Inch VR-1 VIOLET REDUCTION FILTER
WILLIAM OPTICS CO. 2 Inch VR-1 VIOLET REDUCTION FILTER
$80.00
WILLIAM OPTICS CO. 2 Inch VR-1 VIOLET REDUCTION FILTER
1.75" Secondary Mirror from R.F. Royce Telescope
1.75" Secondary Mirror from R.F. Royce Telescope
$79.95
1.75" Secondary Mirror from R.F. Royce Telescope
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
10 PIECES _4, 0 x 3, 0 MM RIGHT ANGLE MICRO - PRISM_HQO
CELESTRON 40mm1.1 4" PLOSSL CELESTRON 40mm MODEL #93315
CELESTRON 40mm1.1 4" PLOSSL CELESTRON 40mm MODEL #93315
$79.00
CELESTRON 40mm1.1 4" PLOSSL CELESTRON 40mm MODEL #93315
William Optics 1.25" 45 degree Erecting Prism
William Optics 1.25" 45 degree Erecting Prism
$78.00
William Optics 1.25" 45 degree Erecting Prism
William Optics 1.25" 45 degree Erecting Prism Diagonal
William Optics 1.25" 45 degree Erecting Prism Diagonal
$78.00
William Optics 1.25" 45 degree Erecting Prism Diagonal
Celestron 90-Degree Mirror Diagonal,  2" 93519 NEW!
Celestron 90-Degree Mirror Diagonal, 2" 93519 NEW!
$74.95
Celestron 90-Degree Mirror Diagonal, 2" 93519 NEW!
GALILEO 1.25" FORMAT 4 PIECE TELESCOPE ACCESSORY KIT
GALILEO 1.25" FORMAT 4 PIECE TELESCOPE ACCESSORY KIT
$69.99
GALILEO 1.25" FORMAT 4 PIECE TELESCOPE ACCESSORY KIT
CELESTRON T.O. SOLAR FILTER T2  TELESCOPE 1000mmLENS
CELESTRON T.O. SOLAR FILTER T2 TELESCOPE 1000mmLENS
$69.00
CELESTRON T.O. SOLAR FILTER T2 TELESCOPE 1000mmLENS
ACCESSORY FOR CELESTRON TELESCOPE BARLOW, EYEPIECE
ACCESSORY FOR CELESTRON TELESCOPE BARLOW, EYEPIECE
$69.00
ACCESSORY FOR CELESTRON TELESCOPE BARLOW, EYEPIECE
Acuter  Waterproof 10x42 Binocular
Acuter Waterproof 10x42 Binocular
$69.00
Acuter Waterproof 10x42 Binocular
 CELESTRON C90  ERECT IMAGE DIAGONAL FOR  1000mmLENS
CELESTRON C90 ERECT IMAGE DIAGONAL FOR 1000mmLENS
$69.00
CELESTRON C90 ERECT IMAGE DIAGONAL FOR 1000mmLENS
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
$68.88
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
$68.88
NEW 8" Primary SphericalTelescope Mirror FREE SHIP
1-1 4" PORRO PRISM for REFRACTOR TELESCOPES
1-1 4" PORRO PRISM for REFRACTOR TELESCOPES
$65.00
1-1 4" PORRO PRISM for REFRACTOR TELESCOPES
Celestron 40mm Eyepiece 93315 Nexstar PLOSSL- 1 1 4"
Celestron 40mm Eyepiece 93315 Nexstar PLOSSL- 1 1 4"
$59.99
Celestron 40mm Eyepiece 93315 Nexstar PLOSSL- 1 1 4"
BEAMSPLITTER  52, 0 MM x  32, 0 MM - HQO - TYP *
BEAMSPLITTER 52, 0 MM x 32, 0 MM - HQO - TYP *
$59.25
BEAMSPLITTER 52, 0 MM x 32, 0 MM - HQO - TYP *
CELESTRON 6x30 SCOPE FINDER  7 DEGRESS FIELD
CELESTRON 6x30 SCOPE FINDER 7 DEGRESS FIELD
$59.00
CELESTRON 6x30 SCOPE FINDER 7 DEGRESS FIELD
Meade® LX Erecting Prisms - NEW
Meade® LX Erecting Prisms - NEW
$53.00
Meade® LX Erecting Prisms - NEW
CELESTRON   1.25"  TELESCOPE CELESTRON STAR DIAGONAL
CELESTRON 1.25" TELESCOPE CELESTRON STAR DIAGONAL
$51.00
CELESTRON 1.25" TELESCOPE CELESTRON STAR DIAGONAL
CELESTRON 45degree ERECT IMAGE DIAGONAL 96" MODEL 94111
CELESTRON 45degree ERECT IMAGE DIAGONAL 96" MODEL 94111
$51.00
CELESTRON 45degree ERECT IMAGE DIAGONAL 96" MODEL 94111
Rare Copper Parabolic Mirror 12" Dia. - 7' 8' Focal Pt.
Rare Copper Parabolic Mirror 12" Dia. - 7' 8' Focal Pt.
$50.00
Rare Copper Parabolic Mirror 12" Dia. - 7' 8' Focal Pt.
C90 VISUAL CELESTRON TELESCOPE 1000mmLENS STAR DIAGONAL
C90 VISUAL CELESTRON TELESCOPE 1000mmLENS STAR DIAGONAL
$49.99
C90 VISUAL CELESTRON TELESCOPE 1000mmLENS STAR DIAGONAL
2, 01 INCH = 51 MM RIGHT ANGLE PRISM_HQO-TYP BRILLIANTLY
2, 01 INCH = 51 MM RIGHT ANGLE PRISM_HQO-TYP BRILLIANTLY
$49.31
2, 01 INCH = 51 MM RIGHT ANGLE PRISM_HQO-TYP BRILLIANTLY
CELESTRON  T ADAPTER
CELESTRON T ADAPTER
$49.00
CELESTRON T ADAPTER
CELESTRON 15mm1 1 4"  CELESTRON 15mm TELESCOPE EYEPIECE
CELESTRON 15mm1 1 4" CELESTRON 15mm TELESCOPE EYEPIECE
$49.00
CELESTRON 15mm1 1 4" CELESTRON 15mm TELESCOPE EYEPIECE
Acuter SuperWide  6x30 Binocular
Acuter SuperWide 6x30 Binocular
$49.00
Acuter SuperWide 6x30 Binocular
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$49.00
CASE CELESTRON TELESCOPE 1000mmLENS
CELESTRON 1.25" STAR DIAGONAL  STAR DIAGONAL 1 1 4"
CELESTRON 1.25" STAR DIAGONAL STAR DIAGONAL 1 1 4"
$49.00
CELESTRON 1.25" STAR DIAGONAL STAR DIAGONAL 1 1 4"
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$49.00
CASE CELESTRON TELESCOPE 1000mmLENS
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$49.00
CASE CELESTRON TELESCOPE 1000mmLENS
CELESTRON 25mm  CELESTRON H25 mm
CELESTRON 25mm CELESTRON H25 mm
$49.00
CELESTRON 25mm CELESTRON H25 mm
CELESTRON 20mm  CELESTRON H20 mm
CELESTRON 20mm CELESTRON H20 mm
$49.00
CELESTRON 20mm CELESTRON H20 mm
CELESTRON 4mm  CELESTRON H4 mm
CELESTRON 4mm CELESTRON H4 mm
$49.00
CELESTRON 4mm CELESTRON H4 mm
CELESTRON 6mm  CELESTRON H6 mm
CELESTRON 6mm CELESTRON H6 mm
$49.00
CELESTRON 6mm CELESTRON H6 mm
BARLOW LENS 2X .96" FOR CELESTRON TELESCOPE 1000mmLENS
BARLOW LENS 2X .96" FOR CELESTRON TELESCOPE 1000mmLENS
$46.00
BARLOW LENS 2X .96" FOR CELESTRON TELESCOPE 1000mmLENS
STANDARD VISUAL FOR CELESTRON TELESCOPE 1000mmLENS
STANDARD VISUAL FOR CELESTRON TELESCOPE 1000mmLENS
$46.00
STANDARD VISUAL FOR CELESTRON TELESCOPE 1000mmLENS
45 Degree Erecting Prism for Meade ETX Telescopes New
45 Degree Erecting Prism for Meade ETX Telescopes New
$44.99
45 Degree Erecting Prism for Meade ETX Telescopes New
NEW 6" Primary Spherical Telescope Mirror FREE SHIP
NEW 6" Primary Spherical Telescope Mirror FREE SHIP
$44.98
NEW 6" Primary Spherical Telescope Mirror FREE SHIP
Skywatcher 90 Deg, 2in Digonl Mirror f Refractr Telescps
Skywatcher 90 Deg, 2in Digonl Mirror f Refractr Telescps
$44.95
Skywatcher 90 Deg, 2in Digonl Mirror f Refractr Telescps
CELESTRON 5mm ORTHO - .96  CELESTRON  5mm
CELESTRON 5mm ORTHO - .96 CELESTRON 5mm
$42.00
CELESTRON 5mm ORTHO - .96 CELESTRON 5mm
8"  front surface mirror
8" front surface mirror
$40.91
8" front surface mirror
Celestron NexStar 4 Telescope 45° Erecting Diagonal
Celestron NexStar 4 Telescope 45° Erecting Diagonal
$39.99
Celestron NexStar 4 Telescope 45° Erecting Diagonal
CELESTRON 10mm1.25"  CELESTRON 10mm TELESCOPE  EYEPIECE
CELESTRON 10mm1.25" CELESTRON 10mm TELESCOPE EYEPIECE
$39.00
CELESTRON 10mm1.25" CELESTRON 10mm TELESCOPE EYEPIECE
CELESTRON 10mm1.25"  CELESTRON 10mm FULLY COATED
CELESTRON 10mm1.25" CELESTRON 10mm FULLY COATED
$39.00
CELESTRON 10mm1.25" CELESTRON 10mm FULLY COATED
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$39.00
CASE CELESTRON TELESCOPE 1000mmLENS
43, 0 MM x 31, 0 MM 90° RIGHT ANGLE PRISM - HQO REFLECTS
43, 0 MM x 31, 0 MM 90° RIGHT ANGLE PRISM - HQO REFLECTS
$38.75
43, 0 MM x 31, 0 MM 90° RIGHT ANGLE PRISM - HQO REFLECTS
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$36.00
CASE CELESTRON TELESCOPE 1000mmLENS
Celestron 90° Erect Image Amici Diagonal for Telescope
Celestron 90° Erect Image Amici Diagonal for Telescope
$34.99
Celestron 90° Erect Image Amici Diagonal for Telescope
Celestron 94112A Erect Image Prism for Refractor NEW!!
Celestron 94112A Erect Image Prism for Refractor NEW!!
$34.95
Celestron 94112A Erect Image Prism for Refractor NEW!!
CASE  CELESTRON TELESCOPE 1000mmLENS
CASE CELESTRON TELESCOPE 1000mmLENS
$34.00
CASE CELESTRON TELESCOPE 1000mmLENS
CELESTRON #94113-A 45° ERECT IMAGE DIAGONAL .96"TO 1.25
CELESTRON #94113-A 45° ERECT IMAGE DIAGONAL .96"TO 1.25
$32.00
CELESTRON #94113-A 45° ERECT IMAGE DIAGONAL .96"TO 1.25
CELESTRON #94111-A 45° ERECT IMAGE DIAGONAL .96"
CELESTRON #94111-A 45° ERECT IMAGE DIAGONAL .96"
$32.00
CELESTRON #94111-A 45° ERECT IMAGE DIAGONAL .96"
Galileo DKV Single Axis Motor Drive and Handbox
Galileo DKV Single Axis Motor Drive and Handbox
$29.99
Galileo DKV Single Axis Motor Drive and Handbox
UNIVERSAL DIGISCOPING ADAPTER F 28-45MM DIAMETER EP'S
UNIVERSAL DIGISCOPING ADAPTER F 28-45MM DIAMETER EP'S
$29.99
UNIVERSAL DIGISCOPING ADAPTER F 28-45MM DIAMETER EP'S
Pro-Optic Green Laser Pointer 5MW
Pro-Optic Green Laser Pointer 5MW
$29.95
Pro-Optic Green Laser Pointer 5MW
Celestron 45° Angle Erect Image Diagonal 1.25.
Celestron 45° Angle Erect Image Diagonal 1.25.
$29.95
Celestron 45° Angle Erect Image Diagonal 1.25.
NEW MADE IN JAPAN DP NO. 1203 45 DEGREES PRISM
NEW MADE IN JAPAN DP NO. 1203 45 DEGREES PRISM
$29.90
NEW MADE IN JAPAN DP NO. 1203 45 DEGREES PRISM
43, 0 MM x 31, 0 MM 90 ° RIGHT ANGLE PRISM  - HQO - TYP *
43, 0 MM x 31, 0 MM 90 ° RIGHT ANGLE PRISM - HQO - TYP *
$29.75
43, 0 MM x 31, 0 MM 90 ° RIGHT ANGLE PRISM - HQO - TYP *
 CELESTRON  HIRSCH T ADAPTER
CELESTRON HIRSCH T ADAPTER
$29.00
CELESTRON HIRSCH T ADAPTER
Antares 0.965"-1.25" 45-deg Erect Image Hybrid Diagonal
Antares 0.965"-1.25" 45-deg Erect Image Hybrid Diagonal
$29.00
Antares 0.965"-1.25" 45-deg Erect Image Hybrid Diagonal
 CELESTRON  T ADAPTER CELESTRON
CELESTRON T ADAPTER CELESTRON
$29.00
CELESTRON T ADAPTER CELESTRON
GSO 1.25" 45-degree Erect Image Amici Prism Diagonal
GSO 1.25" 45-degree Erect Image Amici Prism Diagonal
$29.00
GSO 1.25" 45-degree Erect Image Amici Prism Diagonal