Antlia 2.5nm OIII Ultra Series Filter - 2" - OIII-ULTRA-2.5NM-2 Aluminum Dew Shields Warranty: 3-years against delamination

Warranty: 3-years against delamination

Fully multi-coated optics for maximum light transmission through the optical path

you can schedule your astrophotography anytime and the DWARF 3 will handle the rest

Recommended for imaging applications incorporating 35mm and larger CCD sensors

012 TRANSMISSION RANGE 400 – 700 nm AR-COATING dielectrically coated

Antlia 2.5nm OIII Ultra Series Filter - 2" - OIII-ULTRA-2.5NM-2 Aluminum Dew Shields Warranty: 3-years against delaminationThis very narrowband 2. 5 nm OIII filter from Antlia is part of their Ultra series and comes in a 2" threaded filter cell that is designed to be screwed on to the 2" receptacle of your astrophotography accessory, including a 2" filter wheel or filter drawer. Antlia 2. 5nm Ultra Series OIII Filter 2" Mounted All Antlia 2. 5nm Ultra Series Filters are made with quartz glass and undergo precisely controlled coating processes to ensure optimal