Sky-Quality Meter (SQM-L)

Cloud Break Optics Verified independent store

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Description The "Sky Quality Meter" measures the brightness of the night's sky giving readings of magnitudes per square arcsecond. It offers unprecedented sensitivity in a handheld meter. Specifications The Full Width Half Maximum (FWHM) is ~20°. Run on Included 9V battery. Size 3.6 x 2.6 x 1.1 in. (92 x 67 x 28mm) Weight 0.31 lb (0.14 kg) Maximum light sampling time: 80 seconds. Show more