The D-FA 100mm f2.8 WR Macro is one of the newer mid-range lenses from Pentax, which was based on a long line of 100mm macro lenses through the years. The main purpose of a lens like this is to have the ability to achieve 1:1 magnification of the subject, but also allow for a good amount of working distance from the subject thanks to the 100mm focal length. Macro lenses generally have the best sharpness characteristics out of all lens types, but the reason all lenses are not macro lenses is that a long amount of lens element travel and fine focus ring rotation is necessary to achieve that level of magnification and sharpness. Having a quick standard lens trades some of that ability for practicality. Get the Pentax D-FA 100mm f/2.8 Macro WR lens through my links: B&H Photo Video eBay Used on KEH Amazon Adorama As an affiliate of these shops, I earn from qualifying purchases! Technical specifications for the lens: Lens Mount: PENTAX KAF2 Lens Construction: 9 elemen...
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