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5-piece 1.25-inch Manual Filter Wheel Astronomical Telescope Deep Space

5-piece 1.25-inch Manual Filter Wheel Astronomical Telescope Deep Space

The 5-piece 1.25-inch manual filter wheel is designed for deep space and planetary astronomical observation with CCD imaging systems. It fits a 1.25-inch telescope eyepiece holder and supports M42X0.75 thread connection at the main mirror end. The wheel holds five filters for narrowband, broadband, and color imaging applications.

  • Five filter positions allow rapid switching between imaging filters without removing the sensor or changing optics
  • 1.25-inch standard size ensures compatibility with most amateur and professional CCD imaging setups
  • Manual operation provides reliable, low-vibration filter changes during long exposure sessions
  • M42X0.75 thread at the main mirror end enables direct mounting to CCD cameras or telescope focusers
  • Compact design minimizes light path obstruction and maintains optical alignment
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Technical features

  • 5-piece filter wheel with 1.25-inch outer diameter for standard telescope eyepiece holders
  • Thread at main mirror end: M42X0.75 for direct mounting to CCD cameras or focusers
  • Manual rotation with positive stop positions for each filter
  • Designed for use with CCD imaging systems in deep space and planetary observation
  • Housing material not specified in source text; no internal motor or electronics
  • Filter size: 1.25-inch diameter, compatible with standard filter holders

Who it is for

  • Amateur and professional astronomers conducting deep space imaging
  • Imaging labs integrating CCD cameras into telescope systems
  • Educational institutions teaching observational astronomy with CCD equipment
  • Distributors supplying filter solutions for astronomical imaging kits

Specifications

ModelM42X0.75
Filter Size1.25 inch
Number of Filters5
Thread at Main Mirror EndM42X0.75
Mounting TypeManual rotation with positive stops
CompatibilityCCD imaging systems, 1.25-inch telescope eyepiece holders

Use guide

  • Mount the filter wheel directly to the CCD camera or telescope focuser using the M42X0.75 thread
  • Insert 1.25-inch filters into the wheel slots and rotate to select the desired filter
  • Use for imaging sessions requiring multiple filter exposures without removing the camera

FAQ

What is the thread size at the main mirror end?
M42X0.75, designed for direct mounting to CCD cameras or telescope focusers.
How many filters can it hold?
Five filters, each 1.25-inch in diameter, with manual rotation between positions.
Is it compatible with CCD cameras?
Yes, it is designed for use with CCD imaging systems via the M42X0.75 thread.
Are filters included?
No, filters are not included; buyers must supply their own 1.25-inch filters.
Can it be used for planetary imaging?
Yes, it supports color and broadband filters for planetary and deep space imaging.

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