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TESTS and Other Photographic Trivia

Click here for: High ISO Noise with Nikon D50 verses D70 verses D2x 

                

Tests taken at ISO 1600.                                        

D2x at 160 pixels wide                 D70 at 160 pixels wide

As you can plainly see, the D2x has much less noise than the D70 at ISO 1600, pixel for pixel. These pictures came from Phil Askey's site, www.dpreview.com. My own informal tests confirm this.

Here is another test done by Phil. It compares the luminance noise levels of various cameras. Notice the low noise level of the S2. It is an old test, but still valid.

 

Here is a photograph I took last week with the D2x. Hand held with Nikon f2.8 70-200. It was shot at ISO 320. (It was overcast and I needed a little speed to freeze the elk movement). These elk were at the 12,000' level at Rocky Mountain National Park. Even at ISO 320 the D2x takes amazingly sharp pictures. The first photo is highly cropped - and I had to resample down to get it to fit on the monitor!  Image size is 20" x 14" at 72 dpi (for monitor).  The full frame image size  is almost 5 FEET wide.

The second image shows the full frame, It will easily print 2' x 3'.

 

 

D2X TESTS at ISO 100 to 3200

Conditions of the test:

1- High noon

2- Hand held with Nikon 17-35 set at 35mm. The house is roughly 1/3 to 1/2 mile away!

3- All photos shot in raw and converted in Adobe Camera Raw

4- Raw Conversion settings were done with ACR defaults. Nothing was added or changed.

5- A section was cut out of the center so a 100% view would be available.

6- Here is a full frame shot of the first photo.  The originals all had some sharpening as provided by the default settings of ACR.

ISO 100 FF.jpg (257586 bytes)Click to open larger version.

 

Conclusions and caviats:

1- All print well on 8.5 x 11.

2- Use NR as provided by Nikon or Adobe when opening ISO 1600 or 3200. I did not for the examples shown. It does make a difference! When I ran Adobe Color Noise Reduction during 1600 and 3200 conversion and used maximum setting, I saw a large difference - for the better.

3- Be careful NOT to under expose when shooting at 1600 or especially 3200. A one stop under exposure at 3200 can produce pretty ugly results!

4- LASTLY - These images were taken in broad daylight. With indoor lighting expect a LOT more noise, especially in the shadows.

 

 

 

ISO 100 at 100%
ISO 200 at 100%
ISO 400 at 100%
ISO 800 at 100%
ISO 1600 at 100%
ISO 3200 at 100%

 

 

 

 

 

 

 

These are simply JUNK images used to illustrate various points made on dpreview.com

These will make little sense to most. Click on the photo for a larger image.

                     

 

 

Five samples illustrating Vertus - Fluid Mask 3 (and no, I don't even know the people)  Notice the fine hair masking! 

As always, click on for a larger image. 

 

 

 

    

 

 

 

 

 

 

 

D700 with shadows opened up excessively. This was to compare noise floors at ISO 200. Click to enlarge and also

notice the granularity difference.

 

 

 

 

 

 

E3 with shadows opened up excessively. This was to compare noise floors at ISO 200. Click to enlarge and also

notice the granularity difference.

 

Adding a blur to the background.

 

 

                                                        2014 Grand Cherokee

 

Gleeson School at f16 with D700

 

                                                         

 

Click on for larger image.

 

Masking Revisited

After using  Vertus - Fluid Mask 3 for some time I ran into a problem with black hair against a white background - and was stumped. I kept getting some color contamination in the black hair and struggled for 3-4 hours to get rid of it. Really puzzled. So, just for comparison purposes I down loaded Topaz ReMask 3 and proceeded to get real serious with it. After a typical 3-4 hr learning curve I struck pay dirt! The initial masking was butt simple but I was still getting color contamination so I looked at a few tutorials. Ah ha! I needed to practice some more and also use the Keep command to rid the image of color contamination. There is more to this, of course, but here is the finished product. Maybe 5-10 minutes! I was impressed. Here is a 100% version. Click and wait for a huge image for judging. Be careful. Huge file. I tried this image with a solid black, solid white, and a half dozen scenes. Pretty clean mask. Before and after.

         

 

Sensor Data for Nikon D600 verses D7000

Sensor data for Nikon D600 Thumbnails

Make

Nikon

ISO

Measured ISO

Read Noise (e-)

Saturation (e-)

DR (stops)

Model

D600

100

79

7.3

76231

13.4

Sensor

Sony

200

159

4.5

38418

13.1

Tech

CMOS

400

317

4.4

19551

12.1

Date

13/9/2012

800

634

3.8

9810

11.3

Pixels

4028x6080

1600

1230

3.6

5154

10.5

Size

24.0x35.9mm

3200

2355

3.3

2547

9.6

Pixel size

5.9 micron

6400

4870

3.3

1278

8.6

Bits

14

12800

9534

3.3

687

7.7

Q.E.

53%

25600

19015

2.8

192

6.1

 

Sensor data for Nikon D7000

Make                  

Nikon                          

ISO                    

Measured ISO        

Read Noise (e-)    

Saturation (e-)      

DR (stops)       

Model

D7000

100

83

3.1

49058

14.0

Sensor

Sony

200

167

3.0

18780

12.6

Tech

CMOS

400

328

3.0

9802

11.7

Date

15/9/2010

800

658

3.0

4992

10.7

Pixels

3280x4991

1600

1269

2.9

2673

9.8

Size

15.6x23.6mm

3200

2627

3.8

1409

8.5

Pixel size

4.73 micron

6400

5197

3.6

704

7.6

Bits

14

12800

10549

4.6

389

6.4

Q.E.

48%

25600

21150

2.5

143

5.8