The 1.6x extender fits between the XL-1 and the XL lens to shift the focal length of the master lens to telephoto side by 1.6 times.
| Focal Length | 1.6 x, With The 16x Lens 8.8-140mm (The Equivalent In 35mm Is 63-1008mm) |
| Filter Size | 72mm On The 16x Lens |
| Maximum Magnification | 1.6x |
| Lens Construction | 3 Groups, 5 Elements |
| Dimensions | 2 5/8" Diameter x 1 1/16" (66 x 27mm) |
| Weight | 4 Oz (115 g) |
| Specialties | Fully Electronic Interface For The XL1 |