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5KHz -65dB @25KHz Audio Response +1dB ~ -3dB Audio distortion 3% FM Modulation 12
Parfocal Filters: All Astronomik Filters are Parfocal
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The tail tone is eliminated to avoid the impact noise from the speaker after the call is over
Why One-Shot Colour Cameras Have Become So Popular
Antlia 4.5nm Edge Filters Size:SII 50mm 5KHz -65dB @25KHz Audio ResponseAntlia 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
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