The Sony Canon debate

[Gordon B. Alley]

On Wed, 29 Jan 2003 22:30:54 -0500, James Asherman 
<jimash at optonline.net> wrote:

[...]

>  > 4) Optical Image Stabilization
>>
>>  Here, the camera uses a lens with a moveable optical group or prism .
>  > The group/prism can be shifted to counteract the pointing jitter.
>>  Typically, sensors (like in method 2) measure the jitter and instead
>>  of electronically shifting the image, the optical group is physically
>>  shifted to bring back the image on the same position on the sensor.
>>  Because of the requirement to physically move the optical group, the
>>  dynamic response is limited to lower frequency movements and very high
>>  frequency vibrations are not well cancelled. However the image can be
>>  shifted by minute amounts (fractions of a pixel) before capture by the
>>  sensor and this will generate better image capture. Physically moving
>>  elements also consumes more power and is harder on the batteries. This
>>  setup doesn't require image sensors to be larger than the final image
>>  size.
>>
>  > http://www.canondv.com/gl2/f_image_stabilization.html
>>
>>
>>  My understanding is that all consumer and prosumer camcorders that
>>  announce stabilization use the method number 2 because it is cheaper
>>  and gives good enough results. I only know of the Canon GL1 or GL2
>>  class cameras that use method 4.
>
>I am already tired of this one but..
>VX1000 and TRV900 to my knowledge use type 4. TRV9 too.
>type 2 appears to be the regular steady shot.
>I think panasonic uses type1. blocky.
>  >
>>  But then again what do I know ...
>
>me  either.
>Jim

[...]

My old Sony TR101 Hi8 camcorder had Type 4 stabilization.

-- 
Gordon Alley  <*>
<mailto:galley at texas.net>
<http://galley.home.texas.net>