Trichoptera, adult caddisfly Size: 20 mm To finish off my caddisfly-theme I share this studio portrait of an adult caddisfly. A dead and prepared specimen stacked from 90 exposures in Zerene Stacker. Lit by two diffused LED spotlights. Sony NEX-7, Mitutoyo M Plan APO 5X/0.14, simple doublet tube lens ("morfanon"), Nikon PB-6 bellows, manual, external iris between objective and tube lens.