48mm Aperture

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Baader Planetarium Baader EOS Protective Wide T-Ring with 7nm H-Alpha Filter
This Baader protective T-ring system comes with a 50.4 mm 7nm H-Alpha filter that has been installed in the T-ring body.
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Baader EOS Protective Wide T-Ring with 7nm H-Alpha Filter
$357.00
Baader Planetarium Baader EOS Protective Wide T-Ring with UHC-S Nebula Filter
This Baader protective T-ring system comes with a 50.4 mm UHC-S Nebula filter that has been installed in the T-ring body
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Baader EOS Protective Wide T-Ring with UHC-S Nebula Filter
$229.00
Baader Planetarium Baader EOS Protective Wide T-Ring with UV/IR Blocking Filter
This Baader protective T-ring system comes with a 50.4 mm UV/IR Blocking filter (aka L, or Luminance) that has been installed in the T-ring body.
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Baader EOS Protective Wide T-Ring with UV/IR Blocking Filter
$217.00
Takahashi Takahashi Wide Mount T-Ring for Canon EOS
The Takahashi wide mount t-ring adapts the Takahashi wide mount (WM) thread to a Canon EOS or Nikon digital SLR.
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Takahashi Wide Mount T-Ring for Canon EOS
$182.00
Baader Planetarium Baader EOS Protective Wide T-Ring with Clear Filter
This Baader protective T-ring system comes with a 50.4 mm Clear filter that has been installed in the T-ring body.
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Baader EOS Protective Wide T-Ring with Clear Filter
$143.00
Baader Planetarium Baader Planetarium Adapter M68/S52 for Baader Wide-T-Rings
With the S52/M68 adapter, all Baader Wide T-rings can be adapted directly to an M68 female thread. This allows your M68 telescope or accessories to be screwed firmly to your camera with the largest possible aperture.
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Baader Planetarium Adapter M68/S52 for Baader Wide-T-Rings
$64.00
William Optics William Optics 48 mm T-Mount for Nikon Z Mirrorless Camera
This high precision William Optics T-Mount adapter contains wide 48 mm t-threads
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William Optics 48 mm T-Mount for Nikon Z Mirrorless Camera
$56.00
William Optics William Optics 48 mm T-Mount for Canon EOS R Mirrorless Cameras
Made specifically for Canon EOS R mirrorless DSLR cameras
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William Optics 48 mm T-Mount for Canon EOS R Mirrorless Cameras
$56.00
Baader Planetarium Baader 2" Nosepiece to M54 external with Safety-Kerf
Baader 2" Nosepiece to M54 external with Safety-Kerf
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Baader 2" Nosepiece to M54 external with Safety-Kerf
$54.00
baader Adapter M54 external to M48 internal
M54 Adapter external to M48 internal
Adapter M54 external to M48 internal
$50.00
baader Adapter M54 internal to M48 external
M54 Adapter internal to external m48
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Adapter M54 internal to M48 external
$50.00
William Optics William Optics Micro Four Thirds Mount Wide T Thread (48mm)
This Micro 4/3 T mount from William Optics is made to work with Olympus Cameras.
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William Optics Micro Four Thirds Mount Wide T Thread (48mm)
$45.00
William Optics William Optics Sony E Mount Wide T Thread (48mm)
This T mount from William Optics is made to work with Sony E DSLR Cameras.
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William Optics Sony E Mount Wide T Thread (48mm)
$45.00
William Optics William Optics Fuji FX Mount Wide T Thread (48mm)
This T-Mount from William Optics is made to work with the Fuji FX camera.
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William Optics Fuji FX Mount Wide T Thread (48mm)
$45.00
Baader Planetarium Baader T-Ring for Sony E/NEX Bayonet with D52/M48 to T2
Baader T-Ring for Sony E/NEX Bayonet with D52/M48 to T2
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Baader T-Ring for Sony E/NEX Bayonet with D52/M48 to T2
$45.00
Baader Planetarium Baader Wide-T-Ring Canon EOS with D52i to T-2 and S52
Baader Wide-T-Ring to connect Canon EOS DSLR cameras on the Astro T-2 system
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Baader Wide-T-Ring Canon EOS with D52i to T-2 and S52
$43.00
Borg Scope DSLR Camera Adapter T-ring for Canon EOS (Borg scope: 50mm thread)
Borg Scope DSLR Camera Adapter T-ring for Canon EOS (Borg scope: 50mm thread)
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Borg Scope DSLR Camera Adapter T-ring for Canon EOS (Borg scope: 50mm thread)
$35.00
William Optics William Optics Nikon Mount Wide T Thread (48mm)
This camera T-mount with 48 mm thread is made to adapt Nikon cameras for all Refractor Telescopes from William Optics.
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William Optics Nikon Mount Wide T Thread (48mm)
$34.00
William Optics William Optics Canon Mount Wide T Thread (48mm)
CNC machined from high quality aluminum and anodized gray
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William Optics Canon Mount Wide T Thread (48mm)
$34.00
Nikon DSLR Wide T Mount Adapter Ring - 48 mm
Oversized t-ring for Nikon DSLR cameras. Use it with phoptographic field flatteners that have the oversized 48 mm attachment thread.
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Nikon DSLR Wide T Mount Adapter Ring - 48 mm
$30.00
Canon DSLR Wide T Mount Adapter Ring - 48 mm
This is the oversized 48 mm t-ring for Canon DSLR cameras. Use it with our field flatteners that have the oversized 48 mm thread. The oversized T ring minimizes vignetting.
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Canon DSLR Wide T Mount Adapter Ring - 48 mm
$30.00
Sony DSLR Wide T Mount Adapter Ring - 48 mm
Designed for attaching a Canon DSLR camera to any of the wider Camera Adapters.
M48 rings are used for larger format imaging. These are different than the standard T-Thread and are not suitable for use on standard camera adapters
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Sony DSLR Wide T Mount Adapter Ring - 48 mm
$25.00
Baader Planetarium Baader M54 Fine-Adjustment rings (0.3 / 0.5 / 1 mm) - Aluminium
System M54 – spacer (Fine-Adjustment) rings, available in thickness 0.3mm (black), 0.5mm (red), 1mm (gold)
Very thin ring for finetuning in the M54-system
Ring in M48 diameter without threads
Fits between all M54 threads, equals approx. 2/5 (0.3mm), 2/
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Baader M54 Fine-Adjustment rings (0.3 / 0.5 / 1 mm) - Aluminium
$10.00
Filter Thread adapter Male 48mm to Male 42mm Coupling Ring
Filter Thread adapter Male 48mm to Male 42mm Coupling Ring
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Filter Thread adapter Male 48mm to Male 42mm Coupling Ring
$9.99