ISO(フィルム感度/速度)を上げてもかなりの低ノイズだけれど、ノイズリダクションも積んでいるD3様。ノイズリダクションの利き具合をテスト。
まずは、ノイズリダクション(NR) OFFの画像。NRをOFFにしても、増感領域に入ると自動で弱いNRが掛かる。=ISO6400まではNR無しになる。
D3 test of High ISO (High ISO Noise Reduction off)
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 800 High-ISO NR off 原寸写真(Original file) NEF file
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 1600 High-ISO NR off 原寸写真(Original file) NEF file
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 3200 High-ISO NR off 原寸写真(Original file) NEF file
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 6400 High-ISO NR off 原寸写真(Original file) NEF file
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 12800 High-ISO NR off (Low) 原寸写真(Original file) NEF file
Nikon D3 + AF-S NIKKOR 14-24mm F2.8G ED + ISO 25600 High-ISO NR off (Low) 原寸写真(Original file) NEF file
次の記事でNR(High ISO Noise Reduction)を掛けたものをアップ。
High ISO Noise Reduction was off. But NR works over ISO6400 automatically.
Aperture Priority AE.
JPEGs are processed by D3 without any change. No retouch.
NEFs are Loss less compressed RAW 14bit.
Please see more info from EXIF.
NEF's File size is about 15Mbytes each. Be careful about your Internet bandwidth when you download them.
Create:[2007-12-01 21:59:20] Update:[2007-12-02 00:08:30] [596]
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