Hands-on with new Sony GM 600mm F4 and G 200-600mm F5.6-6.3
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Hands-on with new Sony GM 600mm F4 and G 200-600mm F5.6-6.3

The GM 600mm F4 is intended to be used alongside the GM 400mm F2.8. As such, all of the major controls are identical, and can be found in the same places. This is to ensure that life is as easy as possible for a photographer swapping between them at (say) a sporting event. Even the focus rings of the two lenses are the same size and the same distance away from the camera body.

This view also shows the tripod foot tensioning screw, and a dedicated strap lug. While the weight of the 600mm F4 can probably be supported by the lens-mount of an Alpha-series camera for short periods of time, this is not advisable. The rotating tripod ring can be 'declicked' if required, and a security wire can be connected to a dedicated socket in the foot (not pictured) to secure it against theft.