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 astrophotography, fitting a 1.25-inch telescope eyepiece or CCD port.
Product Overview
The 9-piece 1.25-inch manual filter wheel is designed for deep space astrophotography, fitting a 1.25-inch telescope eyepiece or CCD port. It holds nine filters for planetary and deep space imaging, with a manual rotation mechanism for quick filter changes during long exposure sessions. The wheel is compatible with the M42X0.75 thread at the main mirror end, allowing direct attachment to a CCD or imaging camera.
- Filter wheel diameter1.25 inches
- Thread at main mirror endM42X0.75
- Number of filters9
- Mounting typeManual rotation
- Compatibility1.25-inch telescope and CCD ports
- ApplicationDeep space and planetary imaging
Key Benefits
- Nine filters in one wheel reduce the need to swap filters manually during imaging sessions
- 1.25-inch diameter fits standard telescope eyepiece and CCD ports for direct mounting
- Manual rotation allows quick filter changes without interrupting the imaging setup
- M42X0.75 thread at the main mirror end enables direct connection to a CCD or imaging camera
- Compact design maintains optical alignment and minimizes light loss during filter transitions
Application Scenarios
- Deep space imaging with a CCD camera using sequential narrowband or color filters
- Planetary imaging with a sequence of color or contrast-enhancing filters
- Astrophotography sessions where rapid filter changes are needed between exposures
- Amateur astronomy setups using a 1.25-inch imaging train with a CCD
- Educational or outreach demonstrations requiring quick filter swaps for visual comparison
Who It Is For
- Amateur astronomers doing deep space and planetary imaging
- Educational institutions running astrophotography labs
- Amateur astronomy dealers supplying imaging accessories
- Small-scale observatories with CCD-based imaging systems
- Hobbyists using 1.25-inch imaging trains with M42X0.75 threaded cameras
Problems It Solves
- Frequent filter changes during long exposures disrupt the imaging train and risk misalignment
- Lack of a dedicated filter wheel forces manual handling of filters, increasing the chance of dust contamination
- Incompatible thread sizes between camera and filter wheel require additional adapters
- Multiple filter holders increase the risk of optical vignetting or light leaks
- No integrated solution for switching between narrowband and broadband filters during a session
Technical Features
- Manual rotation mechanism for filter selection
- 1.25-inch diameter for compatibility with standard telescope and CCD ports
- M42X0.75 thread at the main mirror end for direct attachment to a CCD or imaging camera
- Holds nine filters in a single wheel, reducing setup complexity
- Designed for use with deep space and planetary imaging applications
Specifications
| Filter wheel diameter | 1.25 inches |
|---|---|
| Thread at main mirror end | M42X0.75 |
| Number of filters | 9 |
| Mounting type | Manual rotation |
| Compatibility | 1.25-inch telescope and CCD ports |
| Application | Deep space and planetary imaging |
Specifications are taken from the AMADA product data for this item. Confirm critical dimensions with us in writing before ordering.
Customization Options
- Available in standard 1.25-inch diameter with M42X0.75 thread
- Filters not included; user supplies their own 1.25-inch filters
- No options for motorized rotation or electronic control
- No variation in wheel body material or finish specified
Comparison With Other Options
| Individual filter holders with separate mounting | The filter wheel consolidates nine filters into one unit, reducing setup time and alignment risk during imaging sessions. |
|---|---|
| Motorized filter wheel with electronic control | This manual wheel requires no power or controller, making it simpler and more reliable for basic imaging setups. |
| 2-inch filter wheel | The 1.25-inch size fits standard 1.25-inch ports; a 2-inch wheel would require adapters or a different imaging train |
Use Guide
- Attach the filter wheel directly to the M42X0.75 threaded port of the CCD or camera
- Ensure the 1.25-inch diameter fits snugly into the telescope or imaging train port
- Rotate the wheel manually to select the desired filter before each exposure
- Keep the wheel clean and avoid touching the filter surfaces to prevent dust or fingerprints
- Use only 1.25-inch filters that match the wheel's internal diameter and thickness
Guides and Applications
Frequently Asked Questions
What is the thread size at the main mirror end?
M42X0.75. This allows direct attachment to a CCD or imaging camera with matching threading.
Can I use this with a 1.25-inch eyepiece?
Yes, the 1.25-inch diameter fits standard eyepiece ports, but it is intended for imaging, not visual observation.
How many filters can it hold?
Nine filters are supported in a single wheel, allowing for multiple filter changes without removing the unit.
Does it require power or electronics?
No. The wheel is manually rotated and requires no external power or control unit.
Are the filters included?
No. The filter wheel is sold as a standalone accessory; filters must be purchased separately.
Is it suitable for long exposure imaging?
Yes. The solid construction and secure mounting make it suitable for use during long exposure sessions
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