Micro Four Thirds
official website

Panasonic

100-400mm (35mm camera equivalent 200-800mm)

New Teleconverter-Compatible LEICA DG Lens for Full Life-size Macro Shooting* and Ultra Telephoto Zoom Photography

LEICA DG VARIO-ELMAR lens for outstanding photographic performance throughout zoom ranges
Ultra telephoto zoom lens covering up to 1600 mm*2 for use in a wide range of shooting environments
Compact, lightweight, and excellent mobility with high-speed, high-precision auto-focus and teleconverter compatibility

*35 mm camera equivalent. When DMW-TC20A teleconverter is attached.

Manufacturer's website

Examples

Focal length	100-400mm
Lens construction	20 elements in 13 groups (1 aspherical ED lens, 1 UED lens, 2 ED lenses)
Closest focusing distance	1.3m
Maximum image magnification	0.25x / 0.5x (35mm camera equivalent)
Number of Blades	9 diaphragm blades / Circular aperture diaphragm
Filter size	φ72mm
Dimensions	Approx. φ83.0mm×Approx. 171.5mm (from the tip of the lens to the base side of the lens mount)
Weight	Approx. 985g
Accessories	Lens cap, Lens rear cap, External lens hood, External tripod mount, Lens storage bag