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 PM-304I  Metallurgical Microscope
Optical System Infinity Optical System
Viewing head Trinocular Measuring Single Tube 30 ° Angle 360°,including analyzer and diopter adustment, lnterpupillary Distance: 55~75 mm
Eye piece High Eye Point WF 10X (Φ22mm)
Objective Infinity Long W.D. Metallurgical Plan Objective:
∞PLL   4X/0.10 W.D.=29.4mm
∞PLL   10X/0.25 W.D.=16mm
∞PLL  20X/0.40 W.D.=10.5mm
∞PLL  50X/0.55 W.D.=5.1mm
Nose Piece Quintuple backward inner locating on ball bearing
Stage Longitudinal transversal movement mechanical stage
Stage size: 190mm × 150mm
X-Y Moving range: 75mm × 50mm
Magnification 40X~500X
Focusing Coaxial coarse & fine focusing adjustment
Fine focusing scale Value 0.002mm
Condenser N.A1.25 Abbe condenser with iris diaphragm
Illumination Kohler Vertical 12V30W brightness variable with polarizer,
filter(yellow, green, blue)
Illumination Transmitted 12V30W Built-in brightness Variable,
green, blue)
Option Infinity Long W.D. Metallurgical Plan Objective:  
∞ PLL 80X/0.75 W.D.=4mm, ∞ PLL 100X/0.8 W.D.=3mm