Mirrors, Prisms & Holders

Telescopes Auction
GSO Elliptical Secondary Mirror - 80mm

GSO Elliptical Secondary Mirror - 80mm

$100.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$130.00
Vintage NIB Can John M. Pierce Telescope Makers Grit-(S)

Vintage NIB Can John M. Pierce Telescope Makers Grit-(S)

$9.95
Vintage NIB Can John M. Pierce Telescope Makers Grit-(L)

Vintage NIB Can John M. Pierce Telescope Makers Grit-(L)

$12.95
Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

$289.00
10" f4.5 primary mirror and secondary mirror for deep space telescope.

10" f4.5 primary mirror and secondary mirror for deep space telescope.

$105.00
Schmidt Camera Mirror,  12.5" f 3,  Beral coated,  VTG professionally made,  NOS

Schmidt Camera Mirror, 12.5" f 3, Beral coated, VTG professionally made, NOS

$80.69
Mirror Prism

Mirror Prism

$25.00
14" f 4.6 Sandwich Parabolic Telescope Mirror

14" f 4.6 Sandwich Parabolic Telescope Mirror

$358.52
Unitron image Erecting Prism System .965 for telescope

Unitron image Erecting Prism System .965 for telescope

$6.01
Sportiere fishing mirror 2.8 * 2.8 glasses telescope

Sportiere fishing mirror 2.8 * 2.8 glasses telescope

$20.00
Telescope PRIMARY MIRROR + CELL : 160mm

Telescope PRIMARY MIRROR + CELL : 160mm

$99.99
Telescope PRIMARY MIRROR : 160mm

Telescope PRIMARY MIRROR : 160mm

$69.99
NEW ON OFF SWITCH 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM 1.25" FORMAT-30MM

NEW ON OFF SWITCH 2X FLIP BARLOW LENS+ ERECTING DIAGONAL PRISM 1.25" FORMAT-30MM

$59.99
Telescope PRIMARY MIRROR : 135mm

Telescope PRIMARY MIRROR : 135mm

$59.99
Telescope PRIMARY MIRROR + CELL : 135mm

Telescope PRIMARY MIRROR + CELL : 135mm

$79.99
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$29.00
TWO 3 INCH  F#2.7 MIRRORS  FULL THICKNESS

TWO 3 INCH F#2.7 MIRRORS FULL THICKNESS

$65.00
$85.00
TWO 4 1 4 INCH  F#5 MIRRORS FULL THICKNESS - REVISED

TWO 4 1 4 INCH F#5 MIRRORS FULL THICKNESS - REVISED

$75.00
$110.00
TWO 2 1 4 INCH  F#4 MIRRORS  FULL THICKNESS

TWO 2 1 4 INCH F#4 MIRRORS FULL THICKNESS

$55.00
$75.00
Celestron Telescope Erecter Image Diagonal - 1.25"

Celestron Telescope Erecter Image Diagonal - 1.25"

$35.00
GSO Parabolic Primary Mirror - 6" f 6

GSO Parabolic Primary Mirror - 6" f 6

$155.00
GSO Parabolic Primary Mirror - 10" f 4

GSO Parabolic Primary Mirror - 10" f 4

$480.00
GSO Parabolic Primary Mirror - 8" f 4

GSO Parabolic Primary Mirror - 8" f 4

$230.00
GSO Parabolic Primary Mirror - 8" f 5

GSO Parabolic Primary Mirror - 8" f 5

$220.00
Meade 130mm F8 telescope spherical mirror kit & holder F=1000mm Secondary mirror

Meade 130mm F8 telescope spherical mirror kit & holder F=1000mm Secondary mirror

$32.95
Meade roof prism set for eyepiece,  telescope experiment

Meade roof prism set for eyepiece, telescope experiment

$4.95
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$3.95
Optical Hardware 1.25" 90 degree star diagonal for telescope eyepiece. Lens caps

Optical Hardware 1.25" 90 degree star diagonal for telescope eyepiece. Lens caps

$32.54
Telescope PRIMARY MIRROR + CELL : 120mm

Telescope PRIMARY MIRROR + CELL : 120mm

$49.99
Telescope PRIMARY MIRROR + CELL : 102mm

Telescope PRIMARY MIRROR + CELL : 102mm

$39.99
Telescope SECONDARY MIRROR : 31mm X 22mm

Telescope SECONDARY MIRROR : 31mm X 22mm

$10.95
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99
Telescope PRIMARY MIRROR : 120mm

Telescope PRIMARY MIRROR : 120mm

$39.99
Baader 2" 90° Erecting Amici Prism Diagonal w  1.25" Adapter # AMICI-2 2956152

Baader 2" 90° Erecting Amici Prism Diagonal w 1.25" Adapter # AMICI-2 2956152

$272.00
Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

$131.00
ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

ProtoStar Telescope Secondary Mirror 2.14 ULS Quartz with 2.14x12.0 Curved Mount

$260.00
New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

New Zambuto 10" F 6 Primary Telescope Mirror with(Certification) in Original Box

$1,600.00
Hubble Hyperbolic Newtonian Astrograph Optics,  HNA14

Hubble Hyperbolic Newtonian Astrograph Optics, HNA14

$1,650.00
Telescope Secondary Mirror 3.1 inch

Telescope Secondary Mirror 3.1 inch

$139.00
Telescope 102mm PRIMARY + 38mm X 27mm SECONDARY - MIRRORS + CELLS - SET

Telescope 102mm PRIMARY + 38mm X 27mm SECONDARY - MIRRORS + CELLS - SET

$49.99
William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focusing M-P90

William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focusing M-P90

$69.00
GSO Parabolic Primary Mirror - 16" f 4.5

GSO Parabolic Primary Mirror - 16" f 4.5

$1,280.00
GSO Parabolic Primary Mirror - 12" f 4

GSO Parabolic Primary Mirror - 12" f 4

$675.00
GSO Parabolic Primary Mirror - 10" f 5

GSO Parabolic Primary Mirror - 10" f 5

$290.00
GSO Parabolic Primary Mirror - 8" f 6

GSO Parabolic Primary Mirror - 8" f 6

$205.00
GSO Parabolic Primary Mirror - 6" f 8

GSO Parabolic Primary Mirror - 6" f 8

$115.00
GSO Elliptical Secondary Mirror - 50mm

GSO Elliptical Secondary Mirror - 50mm

$50.00
GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW

GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW

$71.00
2.5" Edmund telescope newtonian mirror  - very slight coating blem

2.5" Edmund telescope newtonian mirror - very slight coating blem

$4.95
William Optics 1.25" 45° Erect Prism - D-EP125

William Optics 1.25" 45° Erect Prism - D-EP125

$68.00
Nikon Wireless Remote Controller WR-T10 + WR-A10

Nikon Wireless Remote Controller WR-T10 + WR-A10

$64.00
William Optics 90 Degree 1.25" Erect Prism

William Optics 90 Degree 1.25" Erect Prism

$69.00
GSO 0.965"   1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

GSO 0.965" 1.25" 90-deg Hybrid 99% Dielectric Mirror Diagonal Compression Ring

$73.00
7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

7x18 High-Definition Monocular Telescope Pocket Telescope Portable sight + Bag

$19.99
William Optics 2" Dura Bright Dielectric SCT Diagonal - D-DIG2D-C-DB-SCT

William Optics 2" Dura Bright Dielectric SCT Diagonal - D-DIG2D-C-DB-SCT

$158.00
William Optics 90 Degree Optics (1002306-135)

William Optics 90 Degree Optics (1002306-135)

$109.99
Coleman C767K AstroWatch 700x76 Reflector Telescope Kit with Tripod,  Software an

Coleman C767K AstroWatch 700x76 Reflector Telescope Kit with Tripod, Software an

$133.11
Coleman Astro Watch 625x50 Refractor Telescope AT50

Coleman Astro Watch 625x50 Refractor Telescope AT50

$63.00
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

$7.49
 Scientific 2-inch 99% Reflective Dielectric Coated Diagonal Mirror Carbon Fiber

Scientific 2-inch 99% Reflective Dielectric Coated Diagonal Mirror Carbon Fiber

$152.99
4.3?HD 120 degree 5V 1A Car Camera DVR Rearview Mirror Car Recorder 306*80*12mm

4.3?HD 120 degree 5V 1A Car Camera DVR Rearview Mirror Car Recorder 306*80*12mm

$142.49
TELESCOPE SECONDARY MINOR AXIS  MIRROR 3.5 inch

TELESCOPE SECONDARY MINOR AXIS MIRROR 3.5 inch

$150.00
William Optics 1.25" Dielectric Diagonal W  Carbon Fiber Plates - D-125D

William Optics 1.25" Dielectric Diagonal W Carbon Fiber Plates - D-125D

$88.00
Explore Scientific 2" 99% Reflective Dielectric Coated Diagonal Mirror Carbon

Explore Scientific 2" 99% Reflective Dielectric Coated Diagonal Mirror Carbon

$153.88
New GSO Meade Telescope Secondary Mirror,  Holder and Spider ATM Parts Newtonain

New GSO Meade Telescope Secondary Mirror, Holder and Spider ATM Parts Newtonain

$84.99
Brand New,  Packaged Telescope 1.75 minor axis mirror

Brand New, Packaged Telescope 1.75 minor axis mirror

$45.00
GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

$110.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope

GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractor Telescope

$130.00
GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCT Telescope

$135.00
William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

$78.00
Lumicon 2" Enhanced Diagonal for Telescope # LD1015

Lumicon 2" Enhanced Diagonal for Telescope # LD1015

$208.95
William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

$139.00
Explore 2" 99% Reflective Dielectric-Coated Diagonal Mirror Carbon Fiber New co

Explore 2" 99% Reflective Dielectric-Coated Diagonal Mirror Carbon Fiber New co

$155.99
Explore Scientific 2-inch 99% Reflective Dielectric Coated Diagonal High glossy

Explore Scientific 2-inch 99% Reflective Dielectric Coated Diagonal High glossy

$159.99
Commander Binoculars Optical Prism Part

Commander Binoculars Optical Prism Part

$49.99
Telescope Secondary Mirror .8 inch (Precision flat)

Telescope Secondary Mirror .8 inch (Precision flat)

$22.99
Dielectric Diagonal 2" by High Point

Dielectric Diagonal 2" by High Point

$109.95
Quartz Dielectric Diagonal 2" by High Point

Quartz Dielectric Diagonal 2" by High Point

$129.95
Prism Diagonal 45 Degree 1.25" by High Point Scientific

Prism Diagonal 45 Degree 1.25" by High Point Scientific

$29.95
Baader T-2 90° Prism Star Diagonal Body with Carl Zeiss Prism # T2-01B 2456095

Baader T-2 90° Prism Star Diagonal Body with Carl Zeiss Prism # T2-01B 2456095

$262.00
Baader T-2 90° 32mm Prism Diagonal w  1.25" Nosepiece   Eyepiece Holder 2456005K

Baader T-2 90° 32mm Prism Diagonal w 1.25" Nosepiece Eyepiece Holder 2456005K

$161.00
Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal # DSC-8001

$220.00
Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012

Tele Vue 1.25" 60-deg Everbrite Erect Image Diagonal # DPC-6012

$240.00
GSO Parabolic Primary Mirror - 6" f 4

GSO Parabolic Primary Mirror - 6" f 4

$215.00
Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100

Baader T-2 Maxbright Dielectric Mirror Diagonal Body # MAX-1 2456100

$277.00
Meade 07217 #928 45degree Erect-Image Diagonal Prism (1.25")

Meade 07217 #928 45degree Erect-Image Diagonal Prism (1.25")

$39.99
GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

$32.00
Meade 130mm F8 telescope spherical mirror kit & holder F=1000mm Secondary mirror

Meade 130mm F8 telescope spherical mirror kit & holder F=1000mm Secondary mirror

$34.95
GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST

GSO 1.25" 90-deg Mirror Star Diagonal for Refractor Telescope # GSST

$31.00
GSO 1.25" 45 degree Erect Image Amici Prism Diagonal # PD45

GSO 1.25" 45 degree Erect Image Amici Prism Diagonal # PD45

$32.00
GSO 0.965"   1.25" 90-deg Hybrid Mirror Star Diagonal

GSO 0.965" 1.25" 90-deg Hybrid Mirror Star Diagonal

$33.00
GSO 0.965"   1.25" 45-deg Hybrid Erect-Image Prism Diagonal

GSO 0.965" 1.25" 45-deg Hybrid Erect-Image Prism Diagonal

$34.00
GSO 0.965"   1.25" 90-deg Hybrid Erect-Image Prism Diagonal

GSO 0.965" 1.25" 90-deg Hybrid Erect-Image Prism Diagonal

$34.00
Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125

Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125

$134.00
GSO Elliptical Secondary Mirror - 68mm

GSO Elliptical Secondary Mirror - 68mm

$67.00
GSO Elliptical Secondary Mirror - 28mm

GSO Elliptical Secondary Mirror - 28mm

$30.00
Half BINOCULARS eyepiece lens prism mil spec for parts Part2go

Half BINOCULARS eyepiece lens prism mil spec for parts Part2go

$50.00
Star Maps Clock - Northern Hemisphere by Watch Design

Star Maps Clock - Northern Hemisphere by Watch Design

$174.59
TS Optics GSO Secondary Mirror - 50mm Minor Axis - Elliptical

TS Optics GSO Secondary Mirror - 50mm Minor Axis - Elliptical

$60.00