Antlia 4.5nm Edge Filters Deep Sky Viewing RT81 has two modes of

RT81 has two modes of digital and analog

25” & 2” (2mm thickness)

Under dark skies

2 uA Battery: CR2032 * 2 Battery: 210mAh Package 1 * T128 watch 1 * USB cable 20 * TD017 call button 20 * Stickers

all of the pagers will share the same ID

Antlia 4.5nm Edge Filters Deep Sky Viewing RT81 has two modes ofAntlia 4. 5nm EDGE Filters (H alpha, SII, OIII) Overview Antlia 4. 5nm EDGE Filters are engineered to overcome the challenges of conventional narrowband filters, which often experience significant transmission loss due to Central Wavelength (CWL) shifts. With a guaranteed transmission rate of over 90% (T>90%) within a 1nm range of the central bandwidth, Antlia 4. 5nm EDGE Filters deliver outstanding performance for both long focal ratios and fast