SUMMARY
Jan Wegener reviews the new Sony FE 100-400mm f/4.5 GM lens, comparing it to the 200-600mm and 400-800mm models. The lens features a constant f/4.5 aperture, sharp autofocus, and prime-like out-of-focus rendering. While performance with the 1.4x teleconverter is strong, the 2x teleconverter introduces noticeable sharpness drops. The review assesses its practicality for wildlife and action shooting, considering its weight and handling quirks.
TAKEAWAYS
The new Sony FE 100-400mm f/4.5 GM lens offers a constant f/4.5 aperture.
It provides sharp, contrasty images with smoother backgrounds compared to the previous version.
Performance with the 1.4x teleconverter is good, but the 2x teleconverter impacts sharpness.
The lens is suitable for wildlife and action shooting, with manageable weight for handholding.