This is a test shot of a fly using Nikon CFI BE Plan Achromat Objective 20X Infinity.
NB. The fly specimen is around 4 weeks old, hence those white crystal looking things.
Left hand and bottom lightings too strong, looks like sharpness falling off towards the edges.
5th July 2013
Canon 40D (APS-C) + Canon EF 70-300mm f/4-5.6 IS USM + Nikon CFI BE Plan Achromat 20X Infinity Objective, ISO 100, FL 200mm, F/5, 0.3 sec, StackShot Rail, 0.01 micro step, 94 images, Halogen Lights, Zerene Stacker, PMax