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Histology, page 1
Stereo Microscope Overview
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Stereo Microscope Comparison

Model National 430 National
DC4-410
National 420 Motic
SMZ-168
Motic
K-400L
Motic
K-500L
Motic
K-700L
National
DC3-420TH
Magnaview
National
DC5-420TH
Magnaview
Motic
DMW-143
Motic
DM-143B
Motic
DM-143C
Product Number 2268-11 to -14 22440-4 2269-11 2282-12 2279-11 2279-16 2279-21 22440 22440-2 2290-14 2290-15 2290-16
Features:
Zoom No No Yes Yes No No Yes Yes Yes Yes Yes Yes
Magnification 10-30x
20-40x
10-30x 10-40x 7.5-50x 4 Step
6-12-25-50x
5 Step
6.4-10-16-25-50x
6-31x 10-40x 10-40x 10-40x 10-40x 10-40x
Standard Eyepieces 10x/FN20 10x/FN20 10x/FN20 10x/FN23 10x/FN23 10x/FN23 10x/FN23 10x/FN20 10x/FN20 10x/FN20 10x/FN20 10x/FN20
Optional Eyepieces 5-20x 5-20x 5-20x 5-32x 5-32x 5-32x 5-32x 5-20x 5-20x 5-32x 5-32x 5-32x
Incline 45° 45° 45° 35° 45° 45° 45° 45° 45° 45° 45° 45°
Accepts Reticles Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Interpupillary Adjustment 55-75mm 55-75mm 55-75mm 52-75mm 54-76mm 54-76mm 54-76mm 55-75mm 55-75mm 55-75mm 55-75mm 55-75mm
Rotating Head 360° 360° 360° 360° 360° 360° 360° 360° 360° 360° 360° 360°
Trinocular Head No Yes OPT OPT No No No Yes Yes Yes Yes Yes
Lenses Achromatic Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Optional Aux. Objective No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Total Magnification Range 5-60x
10-80x
5-60x 2.5-120x 3.0-320x 1.0-256x 0.9-198.4x 2.5-120x 2.5-120x 2.5-120x 2.5-180x 2.5-180x 2.5-180x
Dual Diopter Adjustment Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Top Illumination 15W Halogen 15W Halogen 15W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen 15W Halogen 15W Halogen 10W Halogen 10W Halogen 10W Halogen
Transmitted Illumination 5W Fluorescent 10W Halogen 5W Fluorescent 10W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen 10W Halogen
Rheostat Light Control Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Stage Size 165 x 220mm 165 x 220mm 165 x 220mm 280 x 330mm 280 x 330mm 280 x 330mm 280 x 330mm 165 x 220mm 165 x 220mm 280 x 330mm 165 x 220mm 280 x 330mm
Stage Plate 80mm
Glass/Plastic
80mm
Glass/Plastic
80mm
Glass/Plastic
95mm
Glass/Plastic
95mm
Glass/Plastic
95mm
Glass/Plastic
95mm
Glass/Plastic
80mm
Glass/Plastic
80mm
Glass/Plastic
95mm
Glass/Plastic
95mm
Glass/Plastic
95mm
Glass/Plastic
Working Distance 94mm 94mm 79mm  113mm   89mm 89mm  89mm 79mm 79mm 79mm 79mm 79mm
Digital Camera _ 1280H x 1025V Pixels OPT OPT OPT OPT OPT 712H x 582V Pixels 1600H x 1200V Pixels 712H x 582V Pixels 1600H x 1200V Pixels 2040H x 1536V Pixels
Video Signal _ Digital _ _ _ _ _ Digital/Analog Digital Digital/Analog Digital Digital
Software Provided Yes Yes No No No No No Yes Yes Yes Yes Yes
Computer Requirements ** **  _  _ * ** * ** **
Optional Boom Stand Yes No Yes Yes Yes Yes Yes No No No No No
Hard Case Yes Yes Yes No No No No Yes Yes No No No

* Windows 98 and above, Mac OS 9.2 and above; 1 Ghz or higher, 1G available hard drive, 256MB Ram, 32MB display memory, USB 2.0 or 1.0 port, CD-ROM drive
**Windows 2000, XP, Mac OS X; 1 Ghz or higher, 1G available hard drive, 256MB Ram, 32MB display memory, USB 2.0 port, CD-ROM drive