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

0.63x Leica Objective Lens 

Zoom Range: 3.15X - 18.9X

Working Distance: 155 mm (6.1")

Field of View: 70 mm - 11.7 mm

(Can be backordered)

0.50x Objective Lens for Leica

0.75x Objective Lens for Leica