Explore Scientific H-Beta Nebula Filter (2") Littlite LW-18-LED your camera won't move when

your camera won't move when correctly positioned

as well as drag-and-drop functions to your liking

It has dual 8" woofers

Transducer Condenser Polar Pattern Omnidirectional Frequency Response 20 Hz to 20 kHz +/- 3 dB Dynamic Range Not Specified by Manufacturer Signal-to-Noise Ratio 24 dB(A) Maximum Input Sound Level 140 dB Power Requirements 3 to 12 V @ 200 mA Output Impedance 2 kOhms Output Connector Mini 1/8" (3

and it incorporates firm detents at 90° positions for seamless switching between horizontal and vertical shooting orientations

Explore Scientific H-Beta Nebula Filter (2") Littlite LW-18-LED your camera won't move whenFits Most 2" Eyepieces Accessories Passes H Beta Emission Line, 478 496nm Ideal for Astrophotography Increased Contrast for Nighttime Viewing Engineered to improve the visibility of deep sky objects, this 2" H Beta Nebula Filter from Explore Scientific features a narrow transmission curve designed to just pass the hydrogen beta emission line from 478 496nm with 94. 5% transmission. By attenuating other wavelengths, this filter helps to improve