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감도가 높을수록 노이즈가 많다고 알고있지?
SNR 과 ISO 관계 이해하기
https://petapixel.com/2017/03/22/find-best-iso-astrophotography-dynamic-range-noise/
How to Find the Best ISO for Astrophotography: Dynamic Range and Noise
ISO is one of the three major exposure settings in the exposure triangle of a digital camera -- shutter time, f/number, and ISO. Of the three, it is ISO
petapixel.com
기종별 최적 감도(ISO)
http://dslr-astrophotography.com/iso-dslr-astrophotography/
예시) 시뮬레이터
Image comparison: Digital Photography Review
www.dpreview.com
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