This video is how to build your own Focus Screen from Canon 5D EE-S to Pentax K5 or whatever DIY part 1Make a Super precision focusing screen for your apc-s Dslr Camera, with simple tools so you can accurately manual focus with lenses Faster than F2.8 Template works for Pentax K-7 K-5 K-50 K-30 K3This method can be used for any Dslr be it Pentax Nikon Canon. You just have to mock up your own templateTemplate https://www.flickr.com/photos/2293112...Shot with Zoom Q3HD

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