Profile: Diagnostic Instruments, Inc. supplies digital cameras and accessories for diagnostic instruments microscopy scientific digital imaging. We offer couplers, transilluminating light bases, boomstands and software. Our fiberoptic trans-illuminating base has a large work area and sliding, tiltable mirror making it an economical & versatile choice for general brightfield use or for any study of relatively transparent specimens such as entomology or in-vitro fertilization.