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Stereo Microscope Comparison Chart
Use this chart to quickly compare features on the Home Science Tools and National Optical
low-power and stereo microscopes that we sell.
| Microscope: |
20x Stereo, Basic |
20/40x Stereo, Deluxe |
N.O.
460 Stereo Zoom |
N.O. 420 Stereo
Zoom |
|
Overall Rating |
Good |
Better |
Best |
Best |
| Photo |
 |
 |
 |
 |
| Why Buy? |
Study nature with kids |
Scientific study |
Scientific study
|
Study large specimens |
|
Optical Quality |
Good |
Very good |
Superb |
Superb |
|
Magnification |
20x |
20x, 40x |
15x - 45x |
10x - 40x |
|
Focusing |
Post Rack & Pinion |
Post Rack & Pinion |
Post Rack & Pinion |
Post Rack & Pinion |
| Illumination |
Tungsten (Top) |
Halogen (Top & Bottom) |
Halogen top, Fluorescent bottom |
Halogen top, Fluorescent bottom |
| Working Distance |
65 mm |
65 mm |
70 mm |
79 mm |
| Maximum Specimen Size |
75 mm |
55 mm |
36mm |
93 mm |
| Field of View |
10 mm @ 20x |
10 mm @ 20x, 5 mm @ 40x |
13 mm @ 15x, 4.3 mm @ 45x |
20 mm @ 10x, 5 mm @ 40x |
| Warranty |
Lifetime |
Lifetime |
Lifetime |
Lifetime |
| Best Use |
Elementary to High School |
Elementary to High School |
High School, Pro-fessional |
High School, Pro-fessional |
| Price |
$170 |
$230 |
$400 |
$500 |
| Optional Models |
30x |
10/30x |
none |
none |
 Watch our "Learning about Stereo Microscopes" video to find out more about the different features of these models.
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