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Item Details: Specimen NT0006 is approx
Removable diagonal for straight-through imaging
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G7X Mark III
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Quantum Calcium II K 2Å PE canon camera Item Details: Specimen NT0006 isDaystar Calcium K line Quantum Filters 2. 0 suitable for academic purposes. Ideal application: CCD photography or indoor visual viewing environment. Traditionally, university research has employed the Calcium K line for studies of Calcium on the Sun. These studies have been instrumental in determining depth of the solar atmosphere. Calcium offers TWO strong absorption lines at 393. 3nm and at 396. 9nm, known as the K and H lines. Researchers have
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