Please note: Last regular shipment before Christmas is on December 19, 2024, after which only express shipments can be sent. Our store is closed on Christmas Eve and New Year's Eve. (Close)
At very cold temperatures, blocking filters may no longer work
accurately central in the H-alpha wavelength, which means that the
details on the sun become less visible.
The LS130THa/B3400 telescopes can be upgraded with this conversion kit.
This allows to explore the Sun at different wavelengths with one and the
same telescope ...