Description
Specwell M-820-S Monocular loupe / viewer with extra near-focus lens and reticle scale with graduations of 0.1, 0.05, and 0.2 mm. Can be used either as a loupe or as a viewer. Popular for industrial applications in quality control and inspection.
When using this product as a viewer, objects can be seen sharply at a minimum working distance of 300 mm.
The near-focus lens and acrylic base can be easily screwed onto the monocular, resulting in an excellent loupe with a field of view of 9 mm and a magnification of 25x. A cutout in the clear base provides access to touch the object during inspection. The base can be removed for irregular surfaces. The image is right-side up. Both lens systems (eyepiece and objective lens) are achromatic and have an anti-reflection coating.
The use of this loupe in combination with the near-focus lens is not limited to technical applications. Due to its high light sensitivity, true image, and magnification factor, it is also an excellent visual aid. A case and neck strap are included.
| Magnification | 8x (monocular) 25x (as loupe) |
| Focusable | Yes |
| Scale | Yes |
| Top increment | 0.1 and 0.05 mm |
| Bottom increment | 0.2 mm |
| Working distance | 5 mm |
| Working distance (min.) | 300 mm (loupe) 70 mm (loupe) |
| Field of view, loupe | Distance 1000 meters = 113 meters Distance 300 mm = 25 mm |
| Field of view with close-up lens | 9 mm (loupe, LS) |
| Size | 91 x 32 mm (loupe) 172 x 45 mm (loupe) |
| Weight | 76 grams (monocular) 110 grams (loupe) |
| Leather case | Included |
| Display | Upright image |
| Lens aperture | 20 mm |
| Field angle | 6.5 ° |
| Relative brightness | 6.2 |
| Exit pupil diameter | 2.5 mm |
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