Can any of you explain to me how 1.3x crop of D7100 is giving 2x zoom?

Started Feb 22, 2013 | Discussions thread
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Wing2
Wing2 Regular Member • Posts: 165
Can any of you explain to me how 1.3x crop of D7100 is giving 2x zoom?

Spec says it still have 15.4M pixels - more like 1.25x crop to me.

My understanding is to give 2x zoom - the resolution needs to go down to 6M pixels.

Or did Nikon meant the shutter speed got boosted 2x?

Nikon D7100
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