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I recently made a video about firmware v1.03. There are improvements in auto-focus performance, especially in live-view mode. Here is a link to full sized example photos on Flickr: Flickr Gallery Link Here is a crop of one 100MM@f2 photo at 100% without additional editing: I’d personally consider that is producing a nice amount of detail, especially without any editing. There are a large number of factors involved from the distance to the subject to others like hand/shutter shake. The Youtube review: https://www.youtube.com/watch?v=k_vb97yTjN0 Notes I wrote up while making the review: From the manual it lists the lens as having 9 aperture blades and a minimum aperture of f19, which is confusing because both of my cameras go to f22. Minimum focus distance is 0.9 meters or around 3 foot with a 0.14 times magnification. This isn’t a lens you will be getting close focus and high magnification with! The lens comes with caps but no lens hood. It does have a 58mm filter thread, which is a sta...

Today I went out to a local park for the nice weather and to get some practice. This time I used two lenses that don’t get as much usage as some of my others. The 100mm f2.8 Macro and 10-17mm Fisheye lenses. Here are a few photos: A small photo can’t do justice to just how sharp that photo is at 100% detail. It was taken with the 100mm f2.8 macro lens. The K-5 and 100mm lens can achieve high vibrancy: A nice flat field: Bokeh is great with this lens: If you are looking for a lens to create epic feeling images, the 10-17mm Fisheye should be a contender: The 10-17 would be useful for unique one-man videos: The 10-17 has the ability to focus very close: I’m a sucker for photos like this: Not your normal architecture lens:

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...