on 3/7/12 5:27 PMobjectwerks inc wrote
You need to get the Camera manufacturers to support this first, over wifi or bluetooth.
Then someone will make "an app for that"
yes, exactly, to your last sentence, but …
wifi approaches generally have too much lag for real-time image display, and
few cameras have wifi; the EyeFi cards work to transfer images (most people
transfer JPGs, not RAW, to get better throughput), but they can't control the
camera; even Bluetooth 4 is a lot slower than 802.11n, and i know of no
Bluetooth 4 cameras other than smartphones ;?>
USB is only somewhat faster than wifi, but it is built-into many cameras now,
so it is the current best choice; a USB3 dock connector would be desirable,
since it'd be backward compatible and cameras are now coming out with USB3
(e.g. D800); USB3 should allow a good tethering experience, except maybe with
very high pixel-count cameras
from Apple's perspective it does not need to be about catering to the
photo-tethering niche, it is whether they feel like supporting APIs to use the
USB generically, rather than only in special cases; i don't know what the
hold-up is because it would seem to open up dozens of possibilities, and
third-parties would do all the work from there
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