Adapter Rings & Extension Tubes

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Tele Vue Powermate T-Ring Adapter (1.25")

Tele Vue Powermate T-Ring Adapter (1.25")

B&H # TE1PMTTRA MFR # PTR-1250
Key Features
  • Use for Astrophotography
  • Directly Connect Camera to Powermate
  • Eliminates Additional Adapters
  • Camera-Specific T-Ring Required
$5300
In Stock
Celestron T-Adapter

Celestron T-Adapter

B&H # CETAEHD8 MFR # 93644
Key Features
  • For 8.0" EdgeHD Telescope
$3400
In Stock

Alpine Astronomical Baader Wide T-Ring Set for Nikon Z

B&H # ALTRINGNZW MFR # TRING-NZW
Key Features
  • Part of the Astro T-2 Modular System
  • Connect DSLR Body to T-2 Accessories
  • Secure Camera-Side Bayonet Mount
  • Removable T-Mount for Expanded Uses
$3700
In Stock
$3395
In Stock
Other Buying Options

Novagrade T-Mount Digiscoping Adapter

B&H # NOUA00T101 MFR # UA-00T1-01
Key Features
  • Fits Standard T-Rings
  • Fits any Eyepiece from 1.5 to 2.4"
  • Anodized Aluminum Camera Mount
  • Twist-Lock Polymer Compression Ring
$12900
In Stock
$6000
In Stock

Celestron 48mm T-Adapter for 9.25"/11"/14" EdgeHD OTAs

B&H # CETA9251114 MFR # 93622
Key Features
  • Designed for Full-Frame DSLR Sensors
  • Reduces Image Vignetting on Corners
  • Provides a Larger Light Path to Camera
  • Requires 48mm Camera-Specific T-Rings
$7295
In Stock
$3395
In Stock

Tele Vue SLR Prime Focus Camera Adapter for 2" Focusers

B&H # TE2CA MFR # ACM-2000
Key Features
  • Accepts 2" Filters
  • Requires Camera-Specific T-Mount
$6000
In Stock

Explore Scientific M48 x 0.75 Extension Ring Set

B&H # EXM48ERS MFR # 510381
Key Features
  • 5, 10, 15, 20 & 30mm Rings
  • Achieve the Ideal Focal Distance
  • Internal & External Threads on Each Ring
  • Threads Work on 2" T-Adapters & Filters
$6999
In Stock

Novagrade Digiscoping Adapter for Canon DSLR Cameras

B&H # NOUA00CA01 MFR # UA-00CA-01
Key Features
  • Works with Eyepieces from 39 to 60.75mm
  • Anodized Aluminum Shell
  • Polymer Compression Ring
  • Protective Glass Filter
$12900
In Stock

Alpine Astronomical Baader M48 Aluminum Fine-Adjustment Ring (1mm)

B&H # ALM48RING10 MFR # M48RING-10
Key Features
  • For Fine-Tuning in Eyepiece Projection
  • M48 Diameter without Threads
  • Compatible with 2" Eyepieces/Accessories
  • Use with Large-Format T-2 Gear
$800
In Stock

Alpine Astronomical Baader T-2 Adjustment/Spacer Ring 15-Piece Set

B&H # ALT2RING MFR # T2RING
Key Features
  • Part of the T-2 Astro Modular System
  • Three Rings, Each in Five Sizes
  • 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm
$1700
In Stock

Alpine Astronomical M54 Fine-Adjustment Ring Set

B&H # ALM54RING MFR # M54RING
Key Features
  • 0.3, 0.5, and 1mm Aluminum Spacer Rings
  • Prevents Binding Between M54 Threads
$2500
In Stock

Sky-Watcher S20301 M48 Camera Adaptor for Nikon

B&H # SKCAN MFR # S20301
Key Features
  • For Large-Format Imaging Systems
  • Attaches Nikon DSLRs to Focal Corrector
  • Ensures Complete Sensor Coverage
$2800
In Stock

Tele Vue T-Ring Adapter for 2.4" IS System Focuser

B&H # TETRA MFR # TRG-1072
Key Features
  • Requires Camera-Specific T-Mount
$3600
In Stock

Tele Vue 48mm Filter Adapter for 2.4"

B&H # TEFA48 MFR # AFT-1105
Key Features
  • For Tele Vue 2.4" IS Focusers
  • Allows Use of 48mm Filters
  • Adds 0.25" of Spacing
$3600
In Stock

Alpine Astronomical Baader Wide T-Ring Set for Leica, Sigma, and Panasonic-L

B&H # ALTRINGLSPW MFR # TRING-LSPW
Key Features
  • Part of the Astro T-2 Modular System
  • Connect DSLR Body to T-2 Accessories
  • Secure Camera-Side Bayonet Mount
  • Removable T-Mount for Expanded Uses
$3700
Special Order
Expected availability: 2-4 Weeks

Alpine Astronomical Baader M48 Extension Tube / 2" Nosepiece with Safety Kerfs (40mm)

B&H # ALM4840 MFR # M48/40
Key Features
  • Adjust Distance of M48 Mount Accessories
  • Also Used as M48 / 2" Nosepiece
  • Telescope Side: M48 Internal Threading
  • Eyepiece/Camera Side: M48 External
$3800
In Stock

Alpine Astronomical Baader UFC S70 15mm Dovetail Extension

B&H # ALUFCXT15 MFR # UFC-XT15
Key Features
  • Part of the UFC Filter Changer System
  • Fits between Base and Telescope Adapter
  • Adds 15mm of Focal Length
  • Stackable with Other Extensions
$4400
Special Order
Expected availability: 2-4 Weeks

Alpine Astronomical Baader 1" C-Mount Adapter with 1.25" Nosepiece

B&H # ALCNOSE MFR # C-NOSE
Key Features
  • Use Imaging Camera in Eyepiece Holder
  • 1" Male C-Mount Threads
  • Standard 1.25" Nosepiece
  • Accepts Mounted and Unmounted Filters
$4800
Special Order
Expected availability: 2-4 Weeks

Alpine Astronomical Baader T-2 Quick Change Ring

B&H # ALT207 MFR # T2-07
Key Features
  • Part of the Astro T-2 Modular System
  • Male T-2 Threads, Zeiss Micro Bayonet
  • Quick Release Ring for Accessories
  • Allows for Fast Setup and Gear Changes
$4900
In Stock

Alpine Astronomical Baader M68 Extension Tube (7.5mm)

B&H # ALM687 MFR # M68/7
Key Features
  • Part of the Tele-Compendium System
  • For Eyepiece Projection Astrophotography
  • Use with Fluoride Flatfield Convertors
  • Provides Additional 7.5mm Distance
$5900
In Stock

Tele Vue Wide T-Adapter (Nikon F)

B&H # TENWT2073 MFR # NWT-2073
Key Features
  • Mounts Camera to Imaging Accessories
  • Larger Aperture versus Standard Ring
  • For Nikon F Cameras
  • 2.4" Bayonet
$6000
In Stock
$6900
In Stock
$15700
In Stock

Vixen Optics Extension Tube R200SS

B&H # VIETR200SS MFR # ES2961
Key Features
  • For the R200SS Telescope
  • Allows 43mm DX Camera T-Adapter
$699
Special Order
Expected availability: 7-14 Business Days