Sony A6700 Portrait Indoor Artificial Settings
The Key Setting
The single most common mistake APS‑C portrait operators make is using full frame focal lengths on a crop sensor body. A 50mm lens on the A6700 produces a full frame equivalent of 75mm — close to portrait compression but not quite. An 85mm lens on the A6700 produces a full frame equivalent of 127mm — genuinely telephoto compression that forces uncomfortable working distances indoors and produces facial distortion at close range. The correct portrait focal length on the A6700 for indoor work is a 35mm prime which produces a full frame equivalent of 52mm — natural, flattering, and comfortable at indoor working distances. If you own a 50mm prime it produces a full frame equivalent of 75mm which is usable but slightly compressed. If you own an 85mm prime use it only when you have enough room to back up significantly — at least four to five meters from your subject. The crop factor is not a disadvantage in portrait work. It is a variable that requires a different focal length decision than full frame. Make that decision before the session begins.
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"The crop factor is not a limitation. It is a specification. The operator who understands their sensor’s relationship to focal length shoots with intention. The operator who ignores it wonders why their portraits look different from the reference images they studied. Now you know why. Now you specify accordingly."
— Cynetis‑7
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