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Adapter Rings & Extension Tubes
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Pegasus Astro M65 Male to M54 Male Adapter
BH # PEAM65MM54M MFR # PEG-ADAPT-M65M-M54M
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader M48 Aluminum Fine-Adjustment Ring Set (0.3, 0.5 & 1mm)
BH # ALM48RING MFR # M48RING
Key Features
- For Fine-Tuning Eyepiece Projection
- Compatible with 2" Eyepieces/Accessories
- M48 Diameter without Threads
- Use with Large-Format T-2 Gear
Available in other Styles, Configurations & Kits
Starfield Nikon 48mm T-Ring
BH # STN48 MFR # N48
Starfield 48mm T-Ring for Canon
BH # STC48 MFR # C48
Starfield M54 Male to T/T2 Male Adapter
BH # STADM54MT2M MFR # ADM54MT2M
Key Features
- M54 x 0.75 x 3.5mm Male Thread
- M42 x 0.75 x 9.5mm T/T2 Male Thread
- Internal Thread to Reduce Reflections
- Overall Height 0.35"
Starfield M54 Male to T/T2 Female Adapter
BH # STADM54MT2F MFR # ADM54MT2F
Key Features
- M54 x 0.75 x 3.5mm Male Thread
- M42 x 0.75 Female T/T2 Thread
- Overall Height 10mm
Starfield M54 Male to M48 Male Adapter
BH # STADM54MM48M MFR # ADM54MM48M
Key Features
- M54 x 0.75 x 3.5mm Male Thread
- M48 x 0.75 x 9.5mm Male Thread
- Overall Height 0.59"/15mm
Starfield M54 Male to M48 Female Adapter
BH # 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
Starfield C-Mount Male Adapter for FW5200 & FW8125 Filter Wheels
BH # STADM54MCM MFR # ADM54MCM
Key Features
- M54 x 0.75 x 3.5mm Thread
- 1"-32 x 10mm C-Mount Thread
- Internal Thread to Reduce Reflections
- Overall Height is 0.47" / 12mm
Alpine Astronomical Baader 2mm T-2 Locking Ring
BH # ALT235 MFR # T2-35
Key Features
- Part of the T-2 Modular System
- Locks Camera Position/Orientation
- Extremely Short 2mm Optical Length
iOptron iAFS2 Camera Adapter (2")
BH # IOPFA20CA MFR # P-FA20-CA
Alpine Astronomical M54 Fine-Adjustment Ring Set
BH # ALM54RING MFR # M54RING
Key Features
- 0.3, 0.5, and 1mm Aluminum Spacer Rings
- Prevents Binding Between M54 Threads
Available in other Styles, Configurations & Kits
Pegasus Astro M54 Male to 2" Nosepiece Adapter
BH # PEAM54M2NP MFR # PEG-ADAPT-M54M-2NP
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader M36.4 /T-2 Adapter Ring
BH # ALT203 MFR # T2-03
Key Features
- Part of the T-2 Astro Modular System
- Standard M36.4 Vixen Attachment Thread
- For Direct Photo Attachment onto OTAs
Alpine Astronomical Baader M43x0.75 Male to T2 Male Adapter
BH # ALT212 MFR # T2-12
Available in other Styles, Configurations & Kits
Pegasus Astro M68 Male to M54 Male Adapter (20mm Length)
BH # PEAM68MM54M2 MFR # PEG-ADAPT-M68M-M54M-20
Alpine Astronomical Baader M48a Female to Male Conversion Ring
BH # ALM48INV MFR # M48-INV
Key Features
- Converts Internal to External Threads
- Adds Virtually Zero Optical Length
- Hardened Stainless Steel
Alpine Astronomical Baader M48 Extension Tube (10mm)
BH # ALM4810 MFR # M48/10
Key Features
- 10mm Optical Length
- Adjust Working Distance for Cameras/Gear
- Larger Diameter than Standard T-2
- M48 Male & Female Threads
Available in other Styles, Configurations & Kits
Starlight Xpress 48mm Mini Female Adapter
BH # STMINIF48MMA MFR # MINI FEMALE 48MM ADAPTOR
Starlight Xpress 30mm Extension Tube for AO & OAG Autoguiders
BH # STAOOAGEXTET MFR # AO/OAG EXTENSION TUBE
Key Features
- For Adaptive Optics & Off-Axis Guiders
- Adds Extra Back Focus Distance
- Matte-Black Anodized Aluminum
Alpine Astronomical Baader T-Ring Camera Adapter (Nikon)
BH # ALTRINGN MFR # TRING-N
Key Features
- Part of the T-2 Astro Modular System
- Use for Astrophotography and Imaging
- Solid, Direct Connection of Accessories
Available in other Styles, Configurations & Kits
Alpine Astronomical T-2 Female/M48 Male Expanding Ring
BH # ALT229 MFR # T2-29
Key Features
- Extension Ring for Telescopes
- M42 x 0.75 (T-2) Female Thread
- M48 Male Thread
- 2.5mm Optical Path Length
Tele Vue 25.4mm Tube for 2.4" Imaging Accessories
BH # TES1.000 MFR # TLD-1000
Key Features
- Adds 25.4mm Space for Proper Placement
- For 2.4" Imaging System Accessories
- Anti-Reflection Male/Female Threads
- Black Anodized Aluminum
Available in other Styles, Configurations & Kits
Tele Vue 12.7mm Tube for 2.4" Imaging Accessories
BH # TES.500 MFR # TLC-0500
Key Features
- Adds 12.7mm Space for Proper Placement
- For 2.4" Imaging System Accessories
- Anti-Reflection Male/Female Threads
- Black Anodized Aluminum
Available in other Styles, Configurations & Kits
Tele Vue 9.5mm Tube for 2.4" Imaging Accessories
BH # TES.375 MFR # TLB-0375
Key Features
- Adds 9.5mm Space for Proper Placement
- For 2.4" Imaging System Accessories
- Anti-Reflection Male/Female Threads
- Black Anodized Aluminum
Available in other Styles, Configurations & Kits
Tele Vue 6.4mm Tube for 2.4" Imaging Accessories
BH # TES.25 MFR # TLA-0250
Key Features
- Adds 6.4mm Space for Proper Placement
- For 2.4" Imaging System Accessories
- Anti-Reflection Male/Female Threads
- Black Anodized Aluminum
Available in other Styles, Configurations & Kits
Tele Vue T-Ring Adapter for 2.4" IS System Focuser
BH # TETRA MFR # TRG-1072
Tele Vue SBIG STL Camera Adapter for 2.4"
BH # TEASBIG MFR # STL-1071