SAGA Pro +20 Ultra Achromatic Lens:
Technical specifications of the macro lens +20 Ultra Achromatic Lens:
Aluminum body (6082)
Hard anodized with 40 micron coating
2 flat crystals BK7 with anti scratch and antireflective coating
4 groups of crystals composed of 2 elements. Ultra pro 20 diopter lens
Weight: 370gr
Diameter: 67mm
Length: 61.7mm