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This filter allows nearly 100% transmission of O-III and H-beta radiation
Why One-Shot Colour Cameras Have Become So Popular
Dual-band operation on the 2m and 70cm amateur bands allows flexible use across common VHF and UHF frequencies
5KHz -65dB @25KHz Audio Response +1dB ~ -3dB Audio distortion 3% FM Modulation 12
Parfocal Filters: All Astronomik Filters are Parfocal
Antlia 4.5nm Edge Filters Size:SII 50mm This filter allows nearly 100%Antlia 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
