CHF 1'249.00
D-ERF energy protection filter 160 mm (9.90 mm thick / Ø 159.6 mm ± 0.05 mm)
D-ERF pre-filter for heat reduction for H-alpha observation with
SolarSpectrum Surface Filters and Prominence Approaches with IR
Block coating
Plane-parallel disc (WITHOUT socket) made of BK-7 glass, both surfaces are
Fine-optically polished to lambda/10.
IR-cut, dielectric coated
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Dear Customers,
Thank you for considering my shop. There are only a few days left until Christmas, and because of this I have to inform you that a delivery before Christmas can no longer be guaranteed
Thank you for your understanding.
T. Kaderli
Teleskopshop.ch
Dear Customers,
Thank you for considering my shop. There are only a few days left until Christmas, and because of this I have to inform you that a delivery before Christmas can no longer be guaranteed
Thank you for your understanding.
T. Kaderli
Teleskopshop.ch
