ISO 100 - Seattle CityScape - Night

© Todd E. Werelius

ISO 100 - Seattle CityScape - Night
Be the first... Sign in and then comment below.

To discuss, first log in or sign up (buttons are at top center of page).

Description

F2.8, 1/3, 85mm, Queen Anne, Night Cityscape, 9:15

I was not so much worried about depth of field in this shot, I wanted to reduce noise in the mostly dark composure.

After experimenting with ISO 100 and ISO 200 I determined that as long as I kept the exposure under 1 to 1.5 seconds the ISO 100 shot did not exhibit noise, or I should say any more noise than faster shots (I tried this with a f/1.2 lens at 1/15th and could see no real difference other than sharpness in the details - less )

The indicated shutter speed was 1/3 of a second well within my noise envelope, and since I had a tripod there was no reason to reduce quality, the tradeoff of using a higher ISO would have been counterproductive.

I composed this shot differently than the first, I also took some others with the more of the city on the left, but because of very powerfull halogen lights on a building below the lower left corner was getting washed out, so I choose this one instead.

I learned some interesting thi

Uploaded on 4/22/2005 11:39:17 AM


Copyright for this gallery photo belongs solely to Todd E. Werelius. Images may not be copied, downloaded, or used in any way without the expressed, written permission of the photographer.
Log in to follow or message this photographer or report this photo.