Curt Sampson wrote:
> On Fri, 3 Jun 2005, S.Woodside wrote:
>> So what happens if you want to read a tiny QR Code but your phone
>> doesn't have macro mode?
> You focus as best you can with whatever tools you have. And then you hope.
> Given sufficiently high resolution, you don't actually need good focus
> for reading a QR code. There are other possibilities, too. Some of
> these cameras have big enough sensors that they actually need (and do)
> autofocus, from what I've heard. Others, who knows, maybe the sensor is
> getting so small that it's effectively becoming a pinhole camera.
Out of curiosity, what is the resolution of cameras in Japan now? What
is the kind of resolution that works well for QR codes?
In Singapore, I believe that phone cameras with "macro" mode are unheard
Received on Sat Jun 4 08:57:42 2005