A rigid and stable body fitted with binocular head ( assembled from imported prism) having inter papillary adjustments, quadruple nose-piece, built-up co-axial mechanical stage both sides graduated for slide manipulation, coarse motion device and highly sensitive fine focusing reading to .002mm incident bright field light through epi-illuminator with iris diaphragm and slot for dripping filter with 12 volt- 50 w halogen lamp imported from germany, control through solid state variable transformer. Up gradable to computerized imaging & microphotography.Bspil-met-01010a - non co-axial model for fine and coarse adjustments.Bspil-met-01010b- trinocularbspil-met-01010c- trinocular with micro photography attachment supplied with following optical combinations:-three achromatic objectives: m5x m 10 x and m4540x (sl)1. With indian optics 5 x 10 x 4540 x (s.l) & 2 eyepieces : h5x and w.f. 102 complete with all optics assembled from imported lenses having anti-reflection hard coating.3.complete with lieca usa optics fully importedoptional accessories : 20x eye piece, 100x objective, grain size eye piece, ocular micrometer eye piece, erma scale, filters, halogen bulb, power pack, digital color cam.