I had a request to provide unprocessed full resolution images from the airshow I went to recently where I used the K-5, DA* 300mm f4, and Kenko 1.5x Pz AF teleconverter together. I’ll be providing a few images with 100% crops straight from camera raw default settings for your viewing pleasure. The first image shows some movement blur and how well I did on tracking with AF. This isn’t a representation of absolute sharpness, but rather what type of result you might get in extreme conditions as long as you gained decent focus on the subject: The UPS plane was stationary, so this is a better representation of sharpness (long distance from subject): This person’s t-shirt is also a good representation of sharpness (close distance from the subject): I still see some motion blur in this shot, but most of the text is readable: Another result which might have benefited from a faster shutter speed: Doing a little math that combination gives me around 680mm in full-frame terms. I think in abs...
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