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9-piece 1.25 Inch Manual Filter Wheel Astronomy Accessory Deep Space

9-piece 1.25 Inch Manual Filter Wheel Astronomy Accessory Deep Space

The 9-piece 1.25-inch manual filter wheel is designed for deep space astronomy imaging with telescopes using a 1.25-inch barrel. It supports CCD imaging and features a main mirror end with M42X0.75 threading. The wheel holds nine filters for planetary and deep sky observation, enabling precise spectral filtering during astrophotography.

  • Nine filter positions allow rapid switching between planetary and deep sky imaging filters
  • 1.25-inch barrel size ensures compatibility with standard telescope focusers and CCD cameras
  • Manual operation with smooth rotation for controlled filter selection during long exposures
  • M42X0.75 threading at the main mirror end for secure attachment to telescope optical paths
  • Compact design fits within standard imaging train without adding bulk
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Technical features

  • 9 filter positions with 1.25-inch barrel diameter
  • Main mirror end thread: M42X0.75 for direct attachment to telescope optical path
  • Manual rotation with detent positioning for precise filter alignment
  • Constructed for use with CCD cameras and planetary imaging systems
  • Designed for deep space and planetary observation applications
  • Compatible with standard 1.25-inch filter holders and imaging trains

Who it is for

  • Amateur astronomers conducting deep sky and planetary imaging
  • Educational institutions with telescope labs for observational astronomy
  • Small-scale astrophotography studios building imaging rigs with CCD sensors
  • Importers sourcing astronomy accessories for telescope kits and imaging packages

Specifications

Filter Count9
Barrel Size1.25 inch
Thread TypeM42X0.75
Mounting TypeManual rotation with detent positioning
ApplicationDeep space and planetary imaging
CompatibilityCCD cameras, 1.25-inch telescope focusers

Use guide

  • Attach the filter wheel to the telescope's main mirror end using the M42X0.75 thread
  • Insert 1.25-inch filters into the wheel slots and secure them with retaining rings if needed
  • Rotate the wheel manually to select the desired filter before exposure
  • Ensure the wheel is properly aligned with the imaging train to avoid vignetting

FAQ

What is the thread size at the main mirror end?
M42X0.75, designed for direct mounting to the telescope's optical path.
Are filters included with the wheel?
No. The wheel holds nine 1.25-inch filters, but filters are not included.
Can this be used with a CCD camera?
Yes. The 1.25-inch barrel and M42X0.75 thread make it compatible with CCD imaging systems.
Is the wheel motorized?
No. It is a manual wheel with detent positioning for precise filter selection.
What is the barrel size?
1.25 inches, standard for most amateur telescopes and imaging accessories.

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