Best results between 150-200mm at f/5.6-f/8, with f/7.1 noted for tack sharp images; diffraction affects sharpness above f/11.

Chromatic aberration prominent between 200-300mm; Panasonic bodies correct this better than Olympus.

Owners report lens performs well for 3 months before desiring an upgrade, especially for wildlife photography.

Owners report that achieving sharp images requires practice, especially at the 600mm equivalent focal length.

Portability is highly valued, with several users preferring the 100-300mm for its compactness despite its limitations in sharpness and brightness.

The Sigma 150-600mm with Viltrox adapter offers sharper images and wider apertures compared to the Panasonic 100-300mm, albeit with increased weight.

Some have upgraded to the Panasonic 100-400mm for better sharpness and autofocus, despite it being larger, often found used for around $650-$700.

Dual IS praised for stability in low light and slow shutter speeds, beneficial for handheld wildlife and video shooting.

Despite not being ideal for sports, some users have captured decent action shots, particularly with older Panasonic models like the GX1, GH2, and GX8.

Considered a compact and affordable option for a FF equivalent 200-600mm lens, offering good in-lens stabilization.

Many users recommend buying used from platforms like eBay or Adorama, often finding the lens in good condition for around $300-$350.

Users suggest avoiding full zoom to prevent chromatic aberration and maintain sharpness; ideal for bright light environments.