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HomeOpticsTelescopesEyepieces & AccessoriesTelescope Eyepiece Accessories

Telescope Eyepiece Accessories

107 Items
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Tele Vue Paracorr Type-2

Tele Vue Paracorr Type-2

BH # TEP2 MFR # VIP-2010
3 Reviews
Key Features
  • Coma Correction
  • For Scopes Faster Than f/5.0
  • Made in the USA
See All Details
$57700
In Stock
No Store Display
Free Expedited Shipping
Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for 2" SCT Visual Back Threads
Top Seller

Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for 2" SCT Visual Back Threads

BH # ALCLSC2 MFR # CLSC-2
13 Reviews
Key Features
  • Replaces Stock Compression Holders
  • 3-Point Clamp for Accurate Centering
  • Ideal for Imagers and Visual Use
See All Details
Available in other Styles, Configurations & Kits
$11500
In Stock
No Store Display
Free 2-Day Shipping

Celestron SCT to 2" Visual Back

BH # CESCT2VB MFR # 93661
5 Reviews
Key Features
  • Use Larger 2" Eyepieces and Accessories
  • Replaces Stock 1.25" Visual Back Holder
  • Provides a Solid and Secure Connection
  • Brass Compression Retention Ring
$2695
In Stock
No Store Display

Alpine Astronomical Baader T-2 15mm Extension Tube

BH # ALT225A MFR # T2-25A
Key Features
  • Part of the Astro T-2 Modular System
  • Adds Spacing for System Components
  • Internal T-2 Threads at One End
  • External T-2 Threads at Other End
Available in other Styles, Configurations & Kits
$3500
In Stock
No Store Display
Free Shipping for this Item

Tele Vue DIOPTRX Adapter for 24mm & 19mm Panoptic & 20m Nagler Type-5 Eyepieces

BH # TEAD2419 MFR # DEA-0001
1 Review
See All Details
Available in other Styles, Configurations & Kits
$3900
In Stock
No Store Display

Alpine Astronomical Baader 2" Female-to-Male Inverter Ring

BH # ALINVERT2 MFR # INVERT-2
Key Features
  • Converts 2" Female to 2" Male Threads
  • External 2" Threads
  • Internal M48 Filter Threads
See All Details
$4800
In Stock
No Store Display
Shipping Charges Apply

Alpine Astronomical Ultrashort 1.25" / T-2 Eyepiece Holder

BH # ALEYEHOLD1S MFR # EYEHOLD-1S
Key Features
  • Part of the T-2 Astro Modular System
  • Holds 1.25" Eyepieces & Accessories
  • Tight Fit for Accurate Optical Alignment
  • Brass Compression Ring, 3 Set Screws
Available in other Styles, Configurations & Kits
$4900
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader 36.4mm Male Thread to 1.25" Eyepiece Holder

BH # ALEYEHOLD2VX MFR # EYEHOLD-2VX
Key Features
  • Part of the T-2 Astro Modular System
  • Male 36.4mm Telescope-Side Threads
  • Enables the Use of 1.25" Eyepieces
  • Adjustable 29-35.5mm Optical Length
$5900
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader VariLock 29 Extension Tube

BH # ALT225Y MFR # T2-25Y
Key Features
  • Part of T-2 Astro Modular System
  • Adjustable 20-29mm Length
  • Lockable to Maintain Setting
  • Engraved Scale for Repeatability
See All Details
Available in other Styles, Configurations & Kits
$10700
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for 3.25" SCT Visual Back Threads

BH # ALCLSCL2 MFR # CLSCL-2
5 Reviews
Key Features
  • Replaces Stock Compression Holders
  • 3-Point Clamp for Accurate Centering
  • Ideal for Imagers and Visual Use
See All Details
$13300
In Stock
No Store Display
Free 2-Day Shipping

Tele Vue DIOPTRX 1.50 Astigmatism Corrector

BH # TE150DAC MFR # DRX-0150
Key Features
  • 1.50 Dioptric Correction
  • Corrects User's Astigmatism
  • Eliminates the Need for Eyeglasses
  • Attaches Directly onto Eyepieces
See All Details
Available in other Styles, Configurations & Kits
$13600
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Glasspath Corrector 1.7x for Maxbright/Mark V Binoviewers

BH # ALGLASS2 MFR # GLASS-2
Key Features
  • Corrects Chromatic Aberration & Fringing
  • Magnifies View by 1.7x Power
  • Enables Better Focusing Capability
See All Details
Available in other Styles, Configurations & Kits
$14900
In Stock
No Store Display
Free 2-Day Shipping
Top Seller

Tele Vue Eyepiece Carry Bag

BH # TEECB MFR # ECB-0010
3 Reviews
See All Details
$18100
In Stock
No Store Display
Free 2-Day Shipping

Celestron Stereo Binocular Viewer

BH # CEBV MFR # 93691
6 Reviews
Key Features
  • For SCT Scopes w/ 1.25" Focusers
  • Requires 2 1.25" Eyepieces
  • Allows Two-Eye Viewing
  • Creates 3D Effect
See All Details
$25949
In Stock
No Store Display
Free 2-Day Shipping
Used for $212.50

Alpine Astronomical Baader 2" Mark III Visual/Photographic Coma Corrector for Dobsonian OTAs with 1.25" Eyepiece Holder

BH # ALMPCCSET2 MFR # MPCC-SET2
Key Features
  • Visual and Astrophotographic Use
  • Deluxe 1.25" Eyepiece Holder
  • 20-29 mm T-2 VariLock Extension
  • Use on f/3.5 - f/6 Fast Dobsonian OTAs
Available in other Styles, Configurations & Kits
$33800
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader MaxBright II Binoviewer Kit with 1.7x Glasspath Compensator and 1.25" Nosepiece

BH # ALBINO12 MFR # BINO-12
Key Features
  • Comfortable Both-Eyes-Open Viewing
  • Dual 1.25" ClickLock Eyepiece Clamps
  • 1.25" Nosepiece to Fit Standard Holders
  • Baader Glasspath Corrector 1.7x
Available in other Styles, Configurations & Kits
$89600
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader Stackable Filter Box

BH # ALFBOX MFR # FBOX
Key Features
  • One Filter Box
  • Fits Filters up to 65x65mm
  • Multiple Boxes Lock Together
  • Drawer-Style Opening
See All Details
$1150
In Stock
No Store Display
Free Shipping for this Item

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (33.5-34mm)

BH # ALEYECP2 MFR # EYECP-2
1 Review
Key Features
  • Improves Image Contrast and Brightness
  • Eliminates Peripheral Light/Distractions
  • Fits 33.5-34mm Eyepiece Barrels
  • Foldable for Use with Eyewear
See All Details
Available in other Styles, Configurations & Kits
$1550
In Stock
No Store Display

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (40.5-41.5mm)

BH # ALEYECP4 MFR # EYECP-4
1 Review
Key Features
  • Improves Image Contrast and Brightness
  • Eliminates Peripheral Light/Distractions
  • Fits 40.5-41.5mm Eyepiece Barrels
  • Foldable for Use with Eyewear
See All Details
Available in other Styles, Configurations & Kits
$1800
In Stock
No Store Display

Alpine Astronomical Baader Winged Rubber Eyecup for Hyperion Zoom Mk III & Earlier Eyepieces (43-44mm)

BH # ALZOOMWING MFR # ZOOM-WING
Key Features
  • Improves Image Contrast and Brightness
  • Eliminates Peripheral Light/Distractions
  • Fits 43-44mm Eyepiece Barrels
  • Foldable for Use with Eyewear
See All Details
Available in other Styles, Configurations & Kits
$2050
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Alpine Astronomical Baader Astro-Box #1

BH # ALBAB MFR # BAB
Key Features
  • Fits the Classic Q-Turret Eyepiece Set
  • Foam-Lined Metal Box
See All Details
$2050
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Alpine Astronomical Baader Winged Rubber Eyecup for Hyperion 68ยฐ & Aspheric Eyepieces (42-43mm)

BH # ALHYPWING MFR # HYP-WING
Key Features
  • Improves Image Contrast and Brightness
  • Eliminates Peripheral Light/Distractions
  • Fits 42-43mm Eyepiece Barrels
  • Foldable for Use with Eyewear
See All Details
Available in other Styles, Configurations & Kits
$2200
In Stock
No Store Display

Alpine Astronomical Baader 14mm Hyperion Finetuning Ring

BH # ALHDFT14 MFR # HDFT-14
1 Review
Key Features
  • Spacer Ring for Hyperion Eyepieces
  • 14.0mm Optical Path Length
See All Details
Available in other Styles, Configurations & Kits
$2500
In Stock
No Store Display

Explore Scientific Soft-Sided Eyepiece Case

BH # EXESEPCASE MFR # ES-EPCASE-02
2 Reviews
Key Features
  • Stiff and Padded Dividers
  • Holds up to Eleven Eyepieces
  • Customizable Divider Configuration
  • Zipper Closure with Dual Pulls
$2999
In Stock
No Store Display

Alpine Astronomical Baader DT-4 Eyepiece Extension (1.25")

BH # ALT205 MFR # T2-05
Key Features
  • Part of the T-2 Astro Modular System
  • Adds 31.8mm of Optical Length
  • Front and Rear 1.25" Filter Threads
  • Accepts 1.25x/1.7x Glasspath Correctors
See All Details
$3000
In Stock
No Store Display
Free Shipping for this Item

Alpine Astronomical M43 7.5mm Extension Ring for Hyperion and Morpheus Eyepieces

BH # ALSPCR43 MFR # SPCR-43
Key Features
  • Fits between Eyecup and Eyepiece
  • Adds 7.5mm of Optical Distance
  • Threaded M43 Interior and Exterior Ends
See All Details
$3000
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Alpine Astronomical Baader 28mm Hyperion Finetuning Ring

BH # ALHDFT28 MFR # HDFT-28
1 Review
Key Features
  • Spacer Ring for Hyperion Eyepieces
  • 28.0mm Optical Path Length
See All Details
Available in other Styles, Configurations & Kits
$3000
In Stock
No Store Display

Alpine Astronomical Baader T-2 7.5mm Extension Tube

BH # ALT225C MFR # T2-25C
Key Features
  • Part of the Astro T-2 Modular System
  • Adds Spacing for System Components
  • Internal T-2 Threads at One End
  • External T-2 Threads at Other End
Available in other Styles, Configurations & Kits
$3200
In Stock
No Store Display
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