D200 HotRod

C

cgaengineer

Guest
Thats a great article...almost makes me want to pull out my AA filter!!
 
Joined
Dec 21, 2005
Messages
8,291
Location
Central Virginia
Thanks for the link, Ray-very interesting.

The D70 has a somewhat weaker AA filter than the D200. Many of you will remember that moire concerns burned up almost as much bandwidth when the D70 was introduced as banding worries did when the D200 came out (I own both cameras and haven't been troubled with either moire or banding except in very unusual, limited cases). I think if Nikon had asked my advice on how strong to make the AA filter on the D200, I'd have said to make it just like the one on the D70. Nevertheless, I've been very pleased with the amount of detail that the D200 can achieve.
 
Joined
Oct 28, 2006
Messages
3,473
Location
Wyoming, USA
Your Welcome goes out to all. They will modify your
D200 for $450.

Who will be the first to try it?
An expensive mod, to be sure, but it's really tempting! If I were more into the landscape thing I might jump on it.

What, if any, effect would this modification have upon high ISO performance, do you suppose?
 

gvk

Joined
Jun 17, 2005
Messages
388
Location
Mystic, CT
The problem is that without an AA filter edge contrast may be improve, but the real resolution will be degraded by aliasing. Moire is only one of the manifestations of this aliasing. It sounds like they are trying to make a quick buck off of those who don't understand digital sampling of band limited signals. One solution would be an improved AA filter with sharper cutoff and less degradation (blur) below the Nyquist frequency. However, this requires invention, or a change in the laws of physics. :) The traditional alternative is the continued increase in the Nyquist frequency, by adding more megapixels. Camera manufacturers like this approach because it makes them more money. :)
 
Joined
Jan 30, 2007
Messages
1,390
Location
Denver, CO
i've heard about hotrodding when i was looking to conver to IR... both are pretty neat i think...
 
Joined
May 4, 2005
Messages
503
Location
Salida, Colorado
I emailed them with a question:

Was wondering what the D200HR modification would do to ISO
performance? Do you have any test data on ISO?

Thanks.

Here is the response:

Because the HR ICF is thicker than a stock camera, you lose about 1
stop.

Regards,

Dan Llewellyn
President
LDP LLC
http://www.MaxMax.com
220 Broad Street
Carlstadt, NJ 07072
USA

001-201-882-0344 Voice
001-201-882-0326 Fax
 
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