Mirrors, Prisms & Holders

Telescopes Auction
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
TWO 3 INCH  F#2.7 MIRRORS  FULL THICKNESS

TWO 3 INCH F#2.7 MIRRORS FULL THICKNESS

$65.00
$85.00
GSO 2" 90 deg Mirror Diagonal for SCT Telescope

GSO 2" 90 deg Mirror Diagonal for SCT Telescope

$72.00
Vintage Celestron Star Diagonal .96" for C90 Telescope 90 Degree Mirror Lens

Vintage Celestron Star Diagonal .96" for C90 Telescope 90 Degree Mirror Lens

$9.99
Vintage Celestron Porro Prism .96" for C90 Telescope Spotting Scope Lens Japan

Vintage Celestron Porro Prism .96" for C90 Telescope Spotting Scope Lens Japan

$13.99
Vintage 8" F8 Parabolic Telescope Mirror full thickness pyrex

Vintage 8" F8 Parabolic Telescope Mirror full thickness pyrex

$76.67
LUMICON LD 1015 2"ENHANCED DIAGONAL WITH 1.25 ADAPTER

LUMICON LD 1015 2"ENHANCED DIAGONAL WITH 1.25 ADAPTER

$115.00
Telescope Secondary Mirror & Mirror Holder

Telescope Secondary Mirror & Mirror Holder

$25.00
Telescope PRIMARY MIRROR : 80mm

Telescope PRIMARY MIRROR : 80mm

$19.99
Galileo telescope reflector FS-120 aluminum mirror cell for 4.7" mirrors  NICE

Galileo telescope reflector FS-120 aluminum mirror cell for 4.7" mirrors NICE

$0.85
Galileo telescope reflector FS-120 secondary cell complete direct replacement

Galileo telescope reflector FS-120 secondary cell complete direct replacement

$0.00
ORION Explorer II 25mm 45degree erecting prism

ORION Explorer II 25mm 45degree erecting prism

$9.99
GSO Elliptical Secondary Mirror - 80mm

GSO Elliptical Secondary Mirror - 80mm

$100.00
GSO Elliptical Secondary Mirror - 88mm

GSO Elliptical Secondary Mirror - 88mm

$130.00
GSO Parabolic Primary Mirror - 6" f 5

GSO Parabolic Primary Mirror - 6" f 5

$145.00
Tele Vue 2" 90-deg Everbrite Star Diagonal # DSF-8002

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

$289.00
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
Meade #928 45degree Erect-Image Diagonal Prism 1 1 4" O.D. * NR

Meade #928 45degree Erect-Image Diagonal Prism 1 1 4" O.D. * NR

$29.95
Celestron telescope refractor 1.25" 90-deg. star diagonal with mount adaptor

Celestron telescope refractor 1.25" 90-deg. star diagonal with mount adaptor

$25.00
$40.00
Mirror Prism

Mirror Prism

$25.00
8" Telescope Mirror

8" Telescope Mirror

$3.75
8" Telescope Mirror

8" Telescope Mirror

$3.25
6" Telescope Mirror

6" Telescope Mirror

$1.04
American Educational Concave Parabolic Large Demonstration Mirror  40.5cm Diamet

American Educational Concave Parabolic Large Demonstration Mirror 40.5cm Diamet

$70.86
Celestron 94112A Erect Image Prism for Refractor NEW!!

Celestron 94112A Erect Image Prism for Refractor NEW!!

$29.00
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 1.25" diagonal prism for telescope right angle

Meade 1.25" diagonal prism for telescope right angle

$24.99
Telescope PRIMARY MIRROR : 135mm

Telescope PRIMARY MIRROR : 135mm

$59.99
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 + CELL : 135mm

Telescope PRIMARY MIRROR + CELL : 135mm

$79.99
Telescope PRIMARY MIRROR + Metal CELL : 160mm (200mm OD)

Telescope PRIMARY MIRROR + Metal CELL : 160mm (200mm OD)

$99.99
Mirror Diagonal 1.25" 90 Degree · Meade Celestron Orion Telescope

Mirror Diagonal 1.25" 90 Degree · Meade Celestron Orion Telescope

$14.99
$19.99
Galileo telescope reflector FS-120  4.7" f 8.3 matching full thickness mirrors

Galileo telescope reflector FS-120 4.7" f 8.3 matching full thickness mirrors

$15.00
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
Vintage NIB Can John M. Pierce Telescope Makers Grit-Never Opened-LAST ONE

Vintage NIB Can John M. Pierce Telescope Makers Grit-Never Opened-LAST ONE

$24.95
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
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
Telescope PRIMARY MIRROR + CELL : 80mm

Telescope PRIMARY MIRROR + CELL : 80mm

$24.99
Telescope PRIMARY MIRROR : 120mm

Telescope PRIMARY MIRROR : 120mm

$39.99
Telescope 102mm PRIMARY + 38mm X 27mm SECONDARY - MIRRORS + CELLS - SET

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

$49.99
Telescope PRIMARY MIRROR + CELL : 120mm

Telescope PRIMARY MIRROR + CELL : 120mm

$49.99
Telescope PRIMARY MIRROR + CELL : 102mm

Telescope PRIMARY MIRROR + CELL : 102mm

$39.99
Nikon Wireless Remote Controller WR-T10 + WR-A10

Nikon Wireless Remote Controller WR-T10 + WR-A10

$58.00
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
Celestron XLT Starbright Nexstar Telescope Bundle

Celestron XLT Starbright Nexstar Telescope Bundle

$2,000.00
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
3PC Telescopic Magnetic Pick Up Inspection Mirror Piercing Pin for Inspecting

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

$7.01
 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
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
18" f 4.1 Hubble Plate Glass Lightweight Sandwich Mirror

18" f 4.1 Hubble Plate Glass Lightweight Sandwich Mirror

$457.53
Explore Scientific 2" 99% Reflective Dielectric Coated Diagonal Mirror Carbon

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

$153.88
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
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
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
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
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