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- Blocking filter in 90° star-diagonal for telescopes up to 1620mm
- For telescopes with 2\" eyepiece extension
- 90° star-diagonal housing
- 2\" slide tube for 2\" focuser
- Connection for 1.25\" eyepieces
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Lunt B1800d2 BlockingFilter in star-diagonal 2"
Blocking-filter in 90° star diagonal, for telescopes up to 1620mm focal length, and with 2" focuser. Can only be used together with a Lunt H-alpha filter, or with a Lunt H-alpha telescope!Lunt Solar Systems offers blocking-filters in different sizes, and alternatively in 90° star-diagonal housings or straight extension tubes. You can choose what blocking-filter you will use at your Lunt H-alpha Etalon system.
The B1800d2 is installed in a 90° star-diagonal housing, for 2" focuser on the telescope side, and with T2 thread and 1.25" eyepiece connection on the eyepiece side. The B1800d2 can be used at Lunt H-alpha systems, if the used telescope has a 2" focuser and up to 1620mm focal length.
The blocking-filter can not be used without additional H-alpha filter system from Lunt Solar Systems! Blocking-filters are absolutely required for the safety and performance of H-alpha telescopes for solar observing. Lunt Solar Systems blocking-filters contain a unique filter system. We can only warranty safety or performance, if blocking-filter is paired with a H-alpha filter or H-alpha telescope of Lunt Solar Systems.
FEATURES
- Blocking-filter only usable at additional H-alpha filter system
- Filter diameter: 18mm
- Usable at telescopes up to 1620mm focal
- 90° star-diagonal housing
- 2" slide tube for 2" focuser
- Connection for 1.25" eyepieces
- T2 thread for camera connection
- Blocking-filter B1800d2 in 90° star-diagonal for 2" focuser
- Tipo de filtro
- Solar
- Tipo de filtro solar
- Blocking Filter*~H-alpha
Established in the USA in the 2000s, Lunt Solar specializes in solar telescopes and filters for safe solar observation. Their innovative designs cater to solar enthusiasts, providing unique access to solar phenomena through high-quality instruments.