The scan of a 6x6 negative works out to roughly 200 megapixels which seems, IMO, like a lot

@liamvhogan My dad used to work for the lands department in HK back in the 80's I remember looking at some of the survey photos they took with the old magnifying glass and thinking wow.

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@purserj oh my goodness yes, aerial survey photos are amazing still as sources. I use them regularly for work

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