Apabila kita menggunakan ISO yang rendah, nilai aperture dan shutter speed menjamin kualiti gambar berbanding penggunaan ISO yang tinggi.ISO yang rendah (dikenali ISO perlahan) seperti ISO 100 dan ISO 200 manakala ISO yang tinggi (ISO laju) seperti ISO 1600 dan ISO 3200. Salah satu sebab kenapa perlu penggunaan ISO rendah ialah untuk mengurangkan noise ataupun grain (bintik-bintik dalam gambar).
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Saturday, October 02, 2010
ISO/ASA
ISO perlu difahami kerana untuk mendapatkan gambar yang menarik, pelarasan ISO yang sesuai penting.ISO pada masa dahulu dikenali juga sebagai ASA. ISO ialah kiraan skala berapa sensitif filem atau kamera digital terhadap cahaya. Pada waktu sekarang, majoriti dan boleh dikatakan semua kamera Digital SLR mempunyai mode pelarasan ISO yang amat mudah. Dunia dah maju, zaman dah berubah, semakin banyak kamera Digital didatangi dengan dwi-fungsi (manual ataupun automatik) dalam mode mengambil foto yang dikehendaki.
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