Observation Head: Binocular or trinocular head, 30° inclined; interpupillary distance 48–75 mm with diopter adjustment.
Nosepiece: Inward-facing quadruple or quintuple ball-bearing type revolving nosepiece with precise click-stop mechanism.
Eyepieces: Wide-field 10x eyepiece, 22 mm F.O.V; antifungal and anti-reflection hard coated.
Mechanical Stage: Rackless, scratch-resistant double-plate stage (180 mm × 160 mm); X/Y travel range 75 mm × 50 mm; 0.1 mm division; low-drive right-hand movement controls; coated surface for scratch protection; dual specimen holder clips.
Objectives: High-contrast, infinity-corrected IQVST series semi-plan objectives:
4x (N.A. 0.10, W.D. 25 mm)
10x (N.A. 0.25, W.D. 6.7 mm)
40x (SL, N.A. 0.65, W.D. 0.6 mm)
100x (SL, oil, N.A. 1.25, W.D. 0.17 mm)
All antifungal and anti-reflection hard coated.
Condenser: Abbe condenser, N.A. 1.25 with aspheric lens; iris diaphragm with frosted white filter; antifungal and anti-reflection coated; rack and pinion movement on stainless steel guides.
Focusing Control: Coaxial coarse and fine focusing with gear system for smooth operation; fine adjustment 0.2 mm/rotation with 2 μm precision.
Illumination: Q-LED 3.5 W, 3 V with variable intensity control; up to 100,000 hours LED life.
Electronics: Köhler system; universal input 110–240 V AC.
Certifications: BIS (ISI), ISO 9001, USFDA, EU CE.
Optional Attachments:
Monocular head
QVSTi series DIN infinity plan objectives 20x, 60x; wide-field 15x, 20x
Pointers, micrometer reticules
Phase contrast, polarizing, fluorescence, and dark-field attachments
Digital USB cameras (5MP, 10MP) with built-in adaptors