May 18 2009, 07:53 PM
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QUOTE(albnok @ May 18 2009, 06:20 PM)
I am buying the Sony HVL-F20AM!
The Sony HVL-F20AM can trigger wireless flashes from the A900! REJOICE!
The Nikon SB-400 can't do that.
The Canon 270EX can't do that.
More excitingly, if the F20AM works on the KM5D/KM7D/A100/A200/A300/A350/A230/A330/A380/A700, then you can have a front bounce light (from the F20AM) and a rear hair light (from the F42AM).
alpha_company, the flash ring adapter comes in a few sizes to match camera body height and flash height. You need to get the correct one.
hokc77: Focus speed is made of 2 independent factors:
1) focal length and how bright the lens is; a F1.4 lens will let the camera "recognize" where to focus faster. This is the lag between half-press and the camera actually focusing.
2) focal length, focus throw, focus element weight, focus limiter, motor - after the camera knows where to focus, it then drives to the focus point.
Now, brighter aperture lenses, even if they have internal motors, may be geared slower! The Canon 50mm F1.2 USM and 85mm F1.2 USM for example, are slow focusers (but necessary, it needs the precision.)
You may want to PM macdude and ask him as he shoots sports - he has the Sony 70-200mm F2.8G SSM, Sony 70-300mm F4.5-5.6G SSM and a Sigma 300mm F4.
creepydslr, the Minolta 28-135mm F4-4.5 is nice but the 1.5 meters MFD is very potong stim lah.
sidewinderz, it is said that Sony has made some changes to the image processing. We don't know until the tests come out. I am glad they changed the interface a fair bit, the A200/A300/A350 was quite "slow-navi" compared to the A700's Quick Navi.
Braynumb, of course the Minolta AF 50mm F1.7 will autofocus with the A200, and any Alpha camera. It has the screw drive across all bodies.
does it can do the same(triggering) if the HVLF20AM mounted on A700?The Sony HVL-F20AM can trigger wireless flashes from the A900! REJOICE!
The Nikon SB-400 can't do that.
The Canon 270EX can't do that.
More excitingly, if the F20AM works on the KM5D/KM7D/A100/A200/A300/A350/A230/A330/A380/A700, then you can have a front bounce light (from the F20AM) and a rear hair light (from the F42AM).
alpha_company, the flash ring adapter comes in a few sizes to match camera body height and flash height. You need to get the correct one.
hokc77: Focus speed is made of 2 independent factors:
1) focal length and how bright the lens is; a F1.4 lens will let the camera "recognize" where to focus faster. This is the lag between half-press and the camera actually focusing.
2) focal length, focus throw, focus element weight, focus limiter, motor - after the camera knows where to focus, it then drives to the focus point.
Now, brighter aperture lenses, even if they have internal motors, may be geared slower! The Canon 50mm F1.2 USM and 85mm F1.2 USM for example, are slow focusers (but necessary, it needs the precision.)
You may want to PM macdude and ask him as he shoots sports - he has the Sony 70-200mm F2.8G SSM, Sony 70-300mm F4.5-5.6G SSM and a Sigma 300mm F4.
creepydslr, the Minolta 28-135mm F4-4.5 is nice but the 1.5 meters MFD is very potong stim lah.
sidewinderz, it is said that Sony has made some changes to the image processing. We don't know until the tests come out. I am glad they changed the interface a fair bit, the A200/A300/A350 was quite "slow-navi" compared to the A700's Quick Navi.
Braynumb, of course the Minolta AF 50mm F1.7 will autofocus with the A200, and any Alpha camera. It has the screw drive across all bodies.
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