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Canon PowerShot G3 camera diagram for spot metering
(spotmetering) and Manual Exposure / Operational cheat sheet

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Hard-to-find information about your camera's spot meter (spotmeter)

 

Camera's make and model

Diameter of the spotmetering / partial metering circle (or region) in mm

Percent area of viewfinder region occupied by the spot circle

Angle of measure (acceptance) in degrees (° ) with a 50 mm lens

Nikon N90 / N90s (N-90) / spot frame

3.00 mm

0.82 %

3.44°

Nikon N70  / spot frame

3.00 mm

0.82 %

3.44°

Nikon N6006  / spot frame

3.50 mm

1.11 %

4.00°

Nikon 8008s  / spot frame

3.50 mm

1.11 %

4.00°

Nikon F5 /NO SPOT FRAME

4.00 mm

1.50 %

4.60°

Nikon F100 (F-100) /NO SPOT FRAME

4.00 mm

1.50 %

4.60°

Olympus OM-4TI (OM4TI)  / spot frame

4.70 mm

2.00 %

5.40°

Olympus OM-3TI (OM3TI)  / spot frame

4.70 mm

2.00 %

5.40°

Olympus OM2000 / spot frame

4.70 mm

2.00 %

5.40°

Pentax ZX-5N  / spot frame

5.00 mm

2.30 %

5.80°

Canon EOS 1n  / spot frame

5.00 mm

2.30 %

5.80°

Nikon F4s  / spot frame

5.00 mm

2.30 %

5.80°

Pentax PZ1p  / spot frame

5.24 mm

2.50 %

6.00°

Canon T-90 (T90)  / spot frame

5.45 mm

2.70 %

6.24°

Minolta Maxxum 800si  / spot frame

5.50 mm

2.80 %

6.30°

Minolta Maxxum 700si  / spot frame

5.50 mm

2.80 %

6.30°

Minolta Maxxum 500si  / spot frame

5.50 mm

2.80 %

6.30°

Canon EOS A2/A2E  / spot frame

6.21 mm

3.50 %

7.11°

Canon EOS G3 / Spot Frame

10mm

9%

11.4°

Canon EOS Rebel series *

10.2 mm

9.50 %

11.68°

Nikon N50 /Partial Frame

12.0 mm

13.1 %

13.69°

Simplified and approximate - For illustration purposes only. Information sorted in the order of low (most accurate) to high (least accurate) angle of measure for a 50mm lens.

* These cameras do not have a circular spot area. Numbers are approximated

 

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