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Adapter Rings & Extension Tubes

301 Items
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ZWO M48-M48 Extender (16.5mm)

ZWO M48-M48 Extender (16.5mm)

B&H # ZWOM48EXT165 MFR # ZWO-M48-EXT16.5
Key Features
  • Male Thread on One Side, Female on Other
  • Adds 16.5mm of Focal Length
See All Details
$2300
Special Order
Expected availability: 4-6 Weeks
Free Shipping for this Item
ZWO M54M-M48F Adapter

ZWO M54M-M48F Adapter

B&H # ZWOM54M48 MFR # CP.05.0001.0115
Key Features
  • For Connecting Astrophotography Gear
See All Details
$1200
Special Order
Expected availability: 4-6 Weeks
Free Shipping for this Item

ZWO M48-M42 Adapter

B&H # ZWOM48M42 MFR # ZWO-M48-M42
Key Features
  • M48 Male Thread
  • M42 Female Thread
See All Details
$1200
Special Order
Expected availability: 4-6 Weeks
Free Shipping for this Item

ZWO M54-M48 Adapter for EFW 2" and M54 Filter Drawer

B&H # ZWOM54MM48F2 MFR # ZWO-M54M-M48F-2
Key Features
  • M54 Male Thread
  • M48 Female Thread
  • 2mm Thick
See All Details
$1200
Special Order
Expected availability: 4-6 Weeks
Free Shipping for this Item
$3395
In Stock
Free Shipping for this Item
$2795
In Stock
Free Shipping for this Item

ZWO Canon EOS Lens Adapter for 2" EFW Filter Wheel

B&H # ZWOEFW2EOS MFR # ZWO-EFW2-EOS
Key Features
  • Use Full-Frame Lenses with EFW
  • For Select ZWO Cooled Astronomy Cameras
See All Details
$5900
In Stock
Free Expedited Shipping

ZWO Sony Nex Lens to ASI Cameras Adapter

B&H # ZWOSONYNEX MFR # ZWO-SONY-NEX
Key Features
  • Connects Sony NEX Lens to ASI Camera
  • Compatible with Manual Lenses Only
See All Details
$3500
In Stock
Free Shipping for this Item

Celestron T-Adapter

B&H # CETAEHD91114 MFR # 93646
Key Features
  • For 9.25", 11", 14" EdgeHD Telescopes
See All Details
$5995
In Stock
Free Expedited Shipping

Tele Vue T-Ring Adapter for 4x Powermate

B&H # TE4201TRA MFR # PTR-4201
Key Features
  • For Use with 4x Powermate
  • Requires Camera-Specific T-Ring
See All Details
$6200
In Stock
Free Expedited Shipping

ZWO Nikon T2 Adapter for Non-Full-Frame ASI Cameras

B&H # ZWONIKONT2 MFR # ZWO-NIKON-T2-II
Key Features
  • Use Nikon Lens with ASI Camera
  • 5mm Extender Included
  • Not for Use with Full-Frame ASI Cameras
See All Details
$6900
Special Order
Expected availability: 4-6 Weeks
Free Standard Shipping

ZWO M42-CS Adapter (7mm)

B&H # ZWOT2CS MFR # ZWO-T2-CS
Key Features
  • Use C/CS Lenses with ZWO Astro Cameras
  • 7mm Thick
See All Details
$1200
In Stock
Free Shipping for this Item

ZWO T2-T2 Extender (11mm)

B&H # ZWOT2T211 MFR # ZWO-T2-T2-11
Key Features
  • 11mm Extension of T2 Adapter
See All Details
$1800
In Stock
Free Shipping for this Item

Alpine Astronomical Baader Hyperion M43/T-2 T-Adapter

B&H # ALHTA43T2 MFR # HTA43/T2
Key Features
  • Fits Regular and Zoom Hyperion Eyepieces
  • Fully Compatible with T-2 Astro System
  • Adapt Eyepiece for Camera Mounting
  • For Eyepiece Projection Astrophotography
See All Details
$2000
In Stock

Novagrade Small Compression Ring Set

B&H # NOACRD0000 MFR # AC-RD00-00
Key Features
  • For All Novagrade Digiscoping Adapters
  • 4 Flexible Compression Rings
  • Use Adapters on Small-Diameter Eyepieces
  • Fits Eyepieces 23-40mm
$2300
In Stock

Sky-Watcher S20300 M48 Camera Adaptor for Canon

B&H # SKCAC MFR # S20300
Key Features
  • For Large-Format Imaging Systems
  • Attaches Canon DSLRs to Focal Corrector
  • Ensures Complete Sensor Coverage
See All Details
$2800
In Stock
Free Shipping for this Item

Starfield M54 Male to M48 Female Adapter

B&H # STADM54MM48F MFR # ADM54MM48F
Key Features
  • M54 x 0.75 x 3.5mm Male Thread
  • M48 x 0.75 Female Thread
  • Overall Height 0.39" / 10mm
See All Details
$3000
Special Order
Expected availability: 2-4 Weeks
Shipping Charges Apply

Celestron T-Adapter

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

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
$4400
In Stock
Free Shipping for this Item

Alpine Astronomical Baader M54 Extension Tube (40mm)

B&H # ALM5440 MFR # M54/40
Key Features
  • 40mm Optical Length
  • Adjust Working Distance for Cameras/Gear
  • Larger Diameter than Standard T-2
  • M48 Male & Female Threads
$5400
Special Order
Expected availability: 2-4 Weeks
Free Standard Shipping

ZWO Canon EOS T2 Adapter for Non-Full-Frame ASI Cameras

B&H # ZWOEOST2 MFR # ZWO-EOS-T2-II
Key Features
  • Use Canon EOS Lens with ASI Camera
  • 5mm Extender Included
  • Not for Use with Full-Frame ASI Cameras
See All Details
$5900
In Stock
Free Expedited Shipping

Novagrade 40.5mm Digiscoping Adapter for Select Olympus Stylus TOUGH TG-Series Digital Cameras

B&H # NOUA004001 MFR # UA-0040-01
Key Features
  • Use with Olympus CLA-T01 Lens Adapter
  • For Digiscoping with Olympus TG-1 to 4
  • 6 Flexible Compression Rings
  • Fits Eyepieces, 39-60.75mm Diameter
$12900
In Stock
Free Expedited Shipping

Alpine Astronomical Baader Heavy-Duty T-2 Quick Changer System

B&H # ALT26A7 MFR # T2-6A,7
Key Features
  • Part of the Astro T-2 Modular System
  • Allows for Fast Setup and Gear Changes
  • Eliminates Having to Screw/Unscrew Gear
See All Details
$13700
In Stock
Free Expedited Shipping

ZWO 1.25" T-Mount

B&H # ZWOTMOUNT MFR # ZWO-T-MOUNT
Key Features
  • For Prime Focus Photography
  • For Telescopes with 1.25" Focusers
  • Attaches to Camera T-Ring
See All Details
$1800
In Stock
Free Shipping for this Item

ZWO M54 Adapter for Filter Drawer

B&H # ZWFDADPTRM54 MFR # FD-ADAPTER-M54
Key Features
  • Compatible with ZWO M42 Filter Drawer, Filter Drawer for Nikon Lens, Filter Drawer for EOS Lens
See All Details
$1900
Temporarily Out of Stock
Expected availability: 3-5 Weeks
Free Shipping for this Item

Novagrade Standard Compression Ring Set

B&H # NOACSD0000 MFR # AC-SD00-00
Key Features
  • Ideal for Spotting Scopes and Binoculars
  • Fits Eyepieces from 39-60.75mm Diameter
  • Includes Five Compression Rings
  • Non-Marking Injection-Molded Polymer
See All Details
$2300
In Stock

Sky-Watcher Rotator Adapter for EvoStar Refractor OTAs

B&H # SKS20220 MFR # S20220
Key Features
  • Use 0.85x Reducer/Flattener on EvoStars
  • Solid and Secure Threaded Connection
  • Rotate Imaging System with Unmounting
  • Integrated 2" Filter Threads
See All Details
$2331
In Stock

ZWO M54 Sensor Tilt Plate

B&H # ZWOM54PLATE MFR # ZWO-M54-PLATE
$2900
Special Order
Expected availability: 4-6 Weeks
Free Shipping for this Item
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