Durability of these filters is unmatched. Guaranteed fifteen years. Solar image is yellow-orange. For photographic use only. Guaranteed fifteen years.
Solar image is yellow- orange.
You can now enjoy observing the ever - changing phenomenon of the sun in hydrogen alpha at the most reasonable price. For over eighteen years Thousand Oaks have manufactured the most popular white light filters in the world. With their white light filter, excellent views of sunspots and granulation are easily seen. In H-Alpha light, spectacular prominence activity can be seen at the limb. The 1.5 band-width also yields some surface detail including flares.