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Photography Q&A
Help me understand FX vs. DX
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<blockquote data-quote="RocketCowboy" data-source="post: 519333" data-attributes="member: 25095"><p>Notice what they did there ... the upped the ISO 2-stops to ISO 800 when the closed down the aperture 2-stops to f/5.6. Or the reverse ... when they opened the aperture to f/2.8 (let in more light), the closed down ISO 2-stops to ISO 200 to accommodate. It's the same equivalent exposure.... they just traded aperture for ISO (or vice versa). Shutter speed remained the same, and focal length does not play a part in exposure.</p></blockquote><p></p>
[QUOTE="RocketCowboy, post: 519333, member: 25095"] Notice what they did there ... the upped the ISO 2-stops to ISO 800 when the closed down the aperture 2-stops to f/5.6. Or the reverse ... when they opened the aperture to f/2.8 (let in more light), the closed down ISO 2-stops to ISO 200 to accommodate. It's the same equivalent exposure.... they just traded aperture for ISO (or vice versa). Shutter speed remained the same, and focal length does not play a part in exposure. [/QUOTE]
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Photography Q&A
Help me understand FX vs. DX
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