SUMMARY
The Sony 400mm f/4.5 and 600mm f/5.6 GM OSS telephoto prime lenses offer a significant reduction in weight compared to their professional counterparts, making them suitable for hiking and wildlife photography. Despite their lighter build, the lenses deliver impressive sharpness and detail, allowing for significant cropping and the capture of fine textures like spider webs. These new lenses fill a gap in Sony's E-Mount lineup, providing a balanced option between high-end luxury lenses and more budget-friendly zooms.
TAKEAWAYS
Sony's 400mm f/4.5 and 600mm f/5.6 GM OSS lenses are significantly lighter than previous luxury telephoto primes.
The lenses offer excellent sharpness and detail, even when cropping images significantly.
They provide a balance of portability, price, and image quality for wildlife photographers.
The 400mm f/4.5 proved surprisingly versatile, yielding many usable shots despite its shorter reach.