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A macro extension tube or a reverse mount is an excellent idea for a tight budget. I would look for a manual lens. Perhaps a Yashica, Canon FD, Pentax, I don't really know much about old lenses but they have a manual aperture and focus control. For your budget nowadays, you would normally get a cheap plastic standard lens with an electronic focus and ...


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Well, the first question you need to solve is the magnification you need. I've seen comments talking about reverse lens setups, but those are really for extreme amounts of magnification, and extreme amounts of magnification come with comparatively shallow depth of field. Taking a look at the video you referenced, the field of view appears to be a bit more ...


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In the digital world it makes more sense to measure how many pixels of sensor correspond to a given physical size (which is easy to measure by shooting a ruler as close as possible): On my APS-C camera a "macro" lens with the 1:1 ratio covers a 22mm field of view with 5472 pixels, so this is about 249 pixels/mm. On my phone, using the 48Mpix mode, the ...


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