F
FarQinell
Guest
Just a gut feeling that the 600/4 will be significantly sharper than 560 on the new zoom.
Another gut feeling is that you will need to stop down the 560 perhaps to f8 to get the sharpness of the 600 wide open. If that turns out to be the case it will mean that the whole design concept is wrong.
Price wise they will be comparable but I guess the new 600/4 will still be 50% heavier than the 200-400.
If the new zoom concept works than perhaps future 500/4s and 600/4s could all have an integral TC rather than having to rely on the bog standard TC as you do now?
All will be revealed in a couple of months!
Another gut feeling is that you will need to stop down the 560 perhaps to f8 to get the sharpness of the 600 wide open. If that turns out to be the case it will mean that the whole design concept is wrong.
Price wise they will be comparable but I guess the new 600/4 will still be 50% heavier than the 200-400.
If the new zoom concept works than perhaps future 500/4s and 600/4s could all have an integral TC rather than having to rely on the bog standard TC as you do now?
All will be revealed in a couple of months!
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