It is 10X power and has a focal distance of 5" (127 mm)
The glass lens measures approximately 1 3/4" (44.5 mm) in diameter
It measures approximately 2 13/16" x 2" (71 x 51 mm) closed and 4 1/2" x 2" (114 x 51 mm) open
This is a new sliding magnifier It is handy and easy to carry It is 10X power and has a focal distance of 5" (127 mm) The glass lens measures approximately 1 3/4" (44.5 mm) in diameter It measures approximately 2 13/16" x 2" (71 x 51 mm) closed and 4 1/2" x 2" (114 x 51 mm) open