Zoom Lens (25-175X)

Model

VH-Z25

Field-of-view

Horizontal

12.2 mm0.48" (25×)
6.1 mm0.24" (50×)
3.05 mm0.12" (100×)
1.74 mm0.069" (175×)

Vertical

9.1 mm0.358" (25×)
4.55 mm0.179" (50×)
2.28 mm0.09" (100×)
1.3 mm0.051" (175×)

Diagonal

15.24 mm0.6" (25×)
7.62 mm0.3" (50×)
3.81 mm0.15" (100×)
2.18 mm0.086" (175×)

Depth-of-field

13 mm0.512" (25×)
3 mm0.118" (50×)
0.7 mm0.028" (100×)
0.3 mm0.012" (175×)

Working distance

25.5 mm1.00"

Non-contact type observation distance

25.5 mm1"

Note

This product's magnification can be changed continuously from 25× to 175× without changing the lens. After using a low magnification to quickly find the location that you want to observe, you can then increase the magnification. This product is standard-equipped with 2 types of illumination heads : a contact type and a non-contact type. The non-contact type has an observation distance of 25.5 mm, which gives it excellent operational efficiency. A great number of illumination adapters can be attached to this product, which makes it possible for this product to adapt to a wide variety of observation uses.