Stemi 508 Engraving & Jewelry Design Microscope
The Stemi 508 stereo microscope is Apochromatic with 8:1 zoom ratio providing excellent image contrast and color accuracy. This stereo microscope is a compact and reliable Greenough stereo microscope. The apochromatic optics provide superior images, while the microscope mechanics are designed for heavy workloads. The Stemi 508 stereo microscope offers better ergonomics than any other Greenough-type stereo microscope. The low viewing angle of 35º allows for a relaxed posture even after many hours of work.
Viewing Head: 35º inclined ergonomic Greenough binocular stereo microscope body. Viewing head rotates 360°. Interpupillary distance adjustment from 55mm - 75mm.
Detent: Click stops at 0.63x, 0.65x, 0.8x, 1x, 1.25x, 1.6x, 2x, 2.5x, 3.2x, 4x, 5x for repeatable measuring.
Eyepieces: Includes widefield 10x / 23mm focusing eyepieces. Eyepieces accept 26mm diameter reticle.
Objective Lenses: Zoom range of 0.63x - 5x.
Zoom Ratio: 8:1
Total Magnification: 6.3x - 50x. For alternate magnifications eyepieces can be changed and auxiliary lens added to stereo microscope. View magnification chart below for options. Maximum resolution 225 Lp/mm - 2.2µm.
Stand: Short articulated arm stand clamps to table. Clamp opening size is 0-53mm. Distance of total articulated arm is 54". Height of articulated arm is adjustable.
Working Distance: 92mm.
Focusing: Coarse focusing.
Illumination: LED ring illuminator with 48 LED lights offer cool, bright illumination.
Size & Weight: Length of articulated arm is 54", 16lbs.
Warranty: 1 year.
Auxiliary Lens |
Working Distance |
10x Eyepieces |
16x Eyepieces |
25x Eyepieces | |||
Magnification | Field Size |
Magnification | Field Size |
Magnification | Field Size | ||
0.3x |
287mm |
1.9x - 15x |
122.7mm - 15.3mm |
3x - 24x |
85.3mm - 10.7mm |
4.7x - 37.5x |
53.3mm - 6.7mm |
0.4x |
211mm |
2.5x - 20x |
92mm - 11.5mm |
4x - 32x |
64mm - 8mm |
6.3x - 50x |
40mm - 5mm |
0.3x - 0.4x |
233 - 90mm |
1.9x - 25x |
122.7mm - 9.2mm |
3x - 40x |
85.3mm - 6.4mm |
4.7x - 62.5x |
53.3mm - 4mm |
0.63x |
127mm |
3.9x - 31.5x |
58.4mm - 7.3mm |
6.3x - 50.4x |
40.6mm - 5.1mm |
9.8x - 78.8x |
25.4mm - 3.2mm |
1x (None) |
92mm |
6.3x - 50x |
36.8mm - 4.6mm |
10x - 80x |
25.6mm - 3.2mm |
15.6x - 125x |
16mm - 2mm |
1.5x |
53mm |
9.4x - 75x |
24.5mm - 3.1mm |
15x - 120x |
17.1mm - 2.1mm |
23.4x - 187.5x |
10.7mm - 1.3mm |
2.0x | 35mm | 12.5x - 100x |
18.4mm - 2.3mm |
20x - 180x |
12.8mm - 1.6mm |
31.3x - 250x |
8mm - 1mm |
View images captured with the Stemi 508 stereo microscope here.