Adding an objective lens enables increased working distance and provides a greater field of view. 

0.50x Leica Objective Lens 

Zoom Range: 2.5X - 15X

Working Distance: 200 mm (7.8")

Field of View: 90 mm - 15 mm

(Can be backordered)

0.63x Objective Lens for Leica

0.75x Objective Lens for Leica