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Telescope Accessories & Parts

Items 1 - 25 of 45
William Optics 2" Dura Bright Dielectric SCT Diagonal

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

SKU: WYO-D-DIG2D-C-DB-SCT
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: SCT Threads
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: DuraBright Coatings
$158.00
 

Tele Vue 1.25" 60 Degree Everbrite Mirror Diagonal - DPC-6012

SKU: TLV-DPC-6012
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Everbrite Coatings
$234.95
 

Tele Vue 1.25" 90 Degree Everbrite Mirror Star Diagonal - DPC-1250

SKU: TLV-DPC-1250
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Everbrite Coatings
$179.95
 

High Point 2" Dielectric Mirror Diagonal - HPS-D2

SKU: HPS-D2
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$109.95
 
Baader Planetarium 1.25" T-2 Maxbright Mirror Diagonal

Baader Planetarium T-2 Maxbright 1.25" Mirror Diagonal - MAX-1

SKU: BAD-MAX-1
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Maxbright Coatings
$249.00
 
Baader Planetarium 2" ClickLock Mirror Diagonal

Baader MaxBright 2" Clicklock Mirror Diagonal - CLDIAG-2

SKU: BAD-CLDIAG-2
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: No, 1.25" Eyepiece Adapter Sold Separately
  • Optics Type and/or Coatings: Maxbright Coatings
Free shipping Free shipping
$309.00
 
Celestron 2" Diagonal w/XLT Coatings for SCT

Celestron 2" Diagonal with XLT Coatings for Schmidt Cassegrain Telescopes - 93527

SKU: CEL-93527
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: SCT Threads
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: XLT Coatings
$159.95 $139.95
 
Explore Scientific 2" Dielectric Diagonal

Explore Scientific 2" Dielectric Diagonal - DD02-00CF

SKU: EXS-DD02-00CF
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
Free shipping Free shipping
$169.99
 

Meade 918A Diagonal Mirror - 1.25" - 07202

SKU: MEA-07202
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
$29.99 $26.95
 

Orion 2" Dielectric Mirror Star Diagonal - 08727

SKU: ORI-08727
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$129.99
 

Orion 1.25" Dielectric Mirror Star Diagonal - 08880

SKU: ORI-08880
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Dielectric Coatings
$99.99
 
High Point 1.25" Dielectric Mirror Diagonal

High Point 1.25" Dielectric Mirror Diagonal - HPS-D1

SKU: HPS-D1
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Dielectric Coatings
$69.95
 

High Point 2" Quartz Dielectric Diagonal - HPS-D2Q

SKU: HPS-D2Q
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings , Quartz Optics
$129.95
 

High Point 2" SCT Quartz Dielectric Diagonal - D2QSCT

SKU: HPS-D2QSCT
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: SCT Threads
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings , Quartz Optics
$139.95
 

High Point SCT Dielectric Diagonal - 2" - HPS-D2SCT

SKU: HPS-D2SCT
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: SCT Threads
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$114.95
 
William Optics 1.25" Dielectric Diagonal with Carbon Fiber Side Plates

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

SKU: WYO-D-125D-C-DB
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Dielectric Coatings
$95.00
 

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

SKU: WYO-D-DIG2D-C-DB-T
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$139.00
 

Meade 2" Diagonal with SCT Adapter - 07680

SKU: MEA-07680
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel with SCT Adapter
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$149.99
 
Stellarvue 1.25" Enhanced Dielectric Diagonal

Stellarvue 1.25" Enhanced Dielectric Diagonal - D1030

SKU: STV-D1030
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Dielectric Coatings
$99.00
 
Explore Scientific 3" CF Dielectric Diagonal

Explore Scientific 3" Carbon Fiber Dielectric Diagonal - DD03-01CF

SKU: EXS-DD03-01CF
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 3" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: 3" to 2" Adapter Included, 1.25" Adapter Sold Separately
  • Optics Type and/or Coatings: Dielectric Coatings
Free shipping Free shipping
$489.99
 
William Optics 1.25" Dura Bright Digaonal for Star71 Refractor

William Optics 1.25" Dura-Bright Diagonal for Star71 Telescope - D-125D-WO71

SKU: WYO-D-125D-WO71
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: M65x1 Male Thread
  • Optics Type and/or Coatings: DuraBright Coatings
$135.00
 
Baader 2" BBHS Mirror Diagonal

Baader 2” BBHS Sitall Mirror Diagonal - MAX-2S

SKU: BAD-MAX-2S
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: No, 1.25" Eyepiece Adapter Sold Separately
  • Optics Type and/or Coatings: BBHS Coatings , Sitall Optics
Free shipping Free shipping
$499.00
 
William Optics 2" Dura Bright RotoLock Diagonal

William Optics 2" Durabright RotoLock Diagonal - D-DIG2D-ROTO-A2

SKU: WYO-D-DIG2D-ROTO-A2
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: No, 1.25" Eyepiece Adapter Sold Separately
  • Optics Type and/or Coatings: DuraBright Coatings
$198.00
 

Baader T2 BBHS Sitall Mirror Diagonal - MAX1S

SKU: BAD-MAX1S
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: T-2 Threads
  • Diagonal Size - Telescope Side: T-2 Threads
  • Optics Type and/or Coatings: BBHS Coatings , Sitall Optics
Free shipping Free shipping
$299.00
 
TeleVue 90º Enhanced Diagonal - 1.25"

Tele Vue 90º Enhanced Aluminum Diagonal - 1.25" - DSC-0125

SKU: TLV-DSC-0125
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Enhanced Aluminum Coatings
$132.00