This TTL loupe is a Galileo personal customized product: pupil distance customization, working distance customization, no adjustment, direcly to wear.
这款TTL放大镜是伽利略个人定制产品：瞳距定制、工作距离定制，无需调节，直接佩戴。
FD-504G-2
Magnification :
2.5X
Work distance :
340mm、420mm、500mm
View field :
≥φ70mm
Pupil distance :
56mm、58mm、60mm、62mm
Depth of field :
standard work distance±50mm
Net weight :
106g
Package size :
85*65*170mm
Package :
zipper bag+paper box
