| Spaced doublet lens gives good
definition of object being viewed. Removable inch and
millimeter |
| scales are viewed through lens
for making accurate measurements. Light shines through
lens to |
| illuminate object. Operates
on standard C-cell batteries (not included). Lens diameter
1-1/4", |
| working distance 1-1/2"
and power 7X. Overall length 6-3/4". |
