Astronomik will participate at the 10th HTT Telescope Convention in Herzberg/Jeßnigk (Germany). We will take a huge amount of filters with us: If you ever wanted to compare our filters to your own ones, or to filters from other manufacturers, please come to our 12" Dob. We will take visuall and photographic filters with us. Visual observers and astro-photographers will be able to test! If you have a specific request, please send an eMail to us.