This is throught-the-lens loupe, pupil distance and work distance customization, no adjustment, direcly to wear.
Titanium frame, ultra-light.
FD-504G-4
Magnification :
2.5X
Work distance :
420
Pupil distance :
56/58/60/62/64mm
View field :
≥φ90mm
Pupil distance :
standard±1mm
Depth of field :
standard work distance±50mm
Head load :
46g
