Digital Zoom and telephoto adaptors at DVinfo.net
DV Info Net

Go Back   DV Info Net > Sony XAVC / XDCAM / NXCAM / AVCHD / HDV / DV Camera Systems > Sony HDV and DV Camera Systems > Sony TRV950 / PDX10 Companion

Sony TRV950 / PDX10 Companion
...plus TRV900, PD100A and other Sony DV camcorders.

Reply
 
Thread Tools Search this Thread
Old September 6th, 2003, 09:20 AM   #1
Wrangler
 
Join Date: Dec 2002
Location: Mays Landing, NJ
Posts: 11,797
Digital Zoom and telephoto adaptors

I never took much stock in the digital zoom feature before, but last night I was taking some shots of the moon with my PDX-10 using a Sony VCL-HG2037X 2x telephoto adaptor. Just for fun I switched on the 24x digital zoom. The results were surprisingly good! I guess the high res CCD's are able to pull this off much better than I had expected. Individual craters are visible, and the moon disc doesn't even completely fit vertically in the 16:9 frame.

I haven't had a chance to shoot a resolution chart this way, but subjectively it looks nice. Just thought it was worth mentioning since it's a feature that many of us don't bother to check out. If there's any interest I can post some example frames.

FWIW, the HG2037X gives really nice results but it's pricey. When I first got it I nearly returned the lens. It didn't appear to focus properly. But after experimenting I learned that setting the camera for infinity doesn't work through the adaptor lens. Using manual focus you can get a razor sharp image however. The autofocus seems to work under some situations, but I get the best results by focussing manually. There are no filter threads on the lens unfortunately. But putting ND filters between the adaptor and camera lens seems to work fine.
Boyd Ostroff is offline   Reply With Quote
Old September 13th, 2003, 10:28 PM   #2
New Boot
 
Join Date: Aug 2003
Location: Switzerland
Posts: 12
digital zoom / Gain max.

Hi !

I am now travelling abroad with a PDX10 and had some preety rough situations, especially concerning low light situations. At first I decided to set the gain max. at 6dB (in the Custom preset menu) in order to avoid too much noise in the picture in case of low light. But then I had a try shifting the gain manually to 18dB and I was actually quite surprised by the sharpness the picture still displays. I was wondering if the Megapixel CCD quality is playing a significant role here, just as it seems to do in your Telephoto / digital zoom story. I do not have precise control facilities with me at the moment, I did not have the opportunity to export a still frame and enlage it on a computer, nor to shoot a chart. But simply by trying to view the picture on the LCD switching the PB zoom, it seems quite blowing...

Have a try, I would be interested what you think about it.
Cheers,

JDB
Jean-Denis Borel is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

B&H Photo Video
(866) 521-7381
New York, NY USA

Scan Computers Int. Ltd.
+44 0871-472-4747
Bolton, Lancashire UK


DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Sony XAVC / XDCAM / NXCAM / AVCHD / HDV / DV Camera Systems > Sony HDV and DV Camera Systems > Sony TRV950 / PDX10 Companion

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



All times are GMT -6. The time now is 02:02 AM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2024 The Digital Video Information Network