Introduction & Equipment
I have an Olympus BH2-BHS trinocular microscope. With a 4x objective and a 2.5x NFK projection lens in the phototube the maximum-length subject I can capture on my digital single-lens-reflex camera (DSLR) is 2.4 mm. As an entomolgist with an interest in flies , 2.4 mm is far too small a field-of-view. I also have a so-called macro lens which connects directly to the DSLR and will give me up to a 1:1 image on the camera’s sensor which translates to a 24 mm long subject filling
the frame. As most flies are larger than 2.4 mm and smaller than 24 mm in length, ‘pure’ microscopy and what can be termed ‘standard 1:1 magnification-macro’ are severe limitations to obtaining high resolution images. The desired magnification range is between 1x and 10x...[more...]
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