![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/40/49/d3/1690357900/0551141_M_1.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/42/98/89/1690370934/0551141_D_2.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/40/49/d3/1690357900/0551141_M_1.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/42/98/89/1690370934/0551141_D_2.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/40/49/d3/1690357900/0551141_M_1.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/42/98/89/1690370934/0551141_D_2.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/40/49/d3/1690357900/0551141_M_1.jpg)
![LUNT LS40FHa H-alpha double-stack filter for LS40THa LUNT LS40FHa H-alpha double-stack filter for LS40THa](https://www.optical-systems.co.uk/media/42/98/89/1690370934/0551141_D_2.jpg)
With this filter LS40THa telescopes show even more details on the solar surface
- Can only be used with a LS40THa solar telescope!
- Reduces bandwidth to <0.55 Angstroms
- Significantly more contrast on the solar surface
- Thus, more details become visible on the sun
Double-stack filter for LS40THa telescopes.
The bandwidth of H-alpha systems can be reduced by so-called "double-stacking". A smaller bandwidth provides much more contrast at the solar surface, thereby many more details will become visible.
Double-stacking with a bandwidth of only <0.55 Angstrom is also possible at the LS40THa telescopes. Therefore Lunt Solar Systems has especially designed this LS40FHa double-stack filter in compact housing. The filter threads directly onto the LS40THa telescopes.
FEATURES
- Aperture: 40 mm
- Bandwidth: <0.55 Angstrom
- Tuning: mechanical tilt-tuning
- Housing diameter:
- Length:
- Weight:
- Front thread:
- Rear thread:
- only usable together with a LS40THa telescope!
SCOPE OF DELIVERY
- LS40THa H-alpha double-stack filter
- Instruction manual
Material: | Aluminium, Glass |
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