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Pentax ist-d / *istD / *ist-D Partial Metering / spot metering / Exposure / Operational cheat sheet

 

Hard-to-find information about your camera's 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)

3.0 mm

0.82 %

3.44

Nikon N70 /F70 (N-70/F-70)

3.0 mm

0.82 %

3.44

Nikon N6006

3.5 mm

1.11 %

4.00

Nikon F100 (F-100)

4.00 mm

1.50 %

4.60

Olympus OM-4TI (OM4TI)

4.7 mm

2.00 %

5.40

Olympus OM-3TI (OM3TI)

4.7 mm

2.00 %

5.40

Olympus OM2000

4.7 mm

2.00 %

5.40

Pentax ist

5.0 mm

2.30 %

5.80

Canon EOS 1n

5.0 mm

2.30 %

5.80

Pentax PZ1p

5.24 mm

2.50 %

6.00

Canon T-90 (T90)

5.45 mm

2.70 %

6.24

Minolta Maxxum 800si

5.50 mm

2.80 %

6.30

Minolta Maxxum 700si

5.50 mm

2.80 %

6.30

Minolta Maxxum 500si

5.50 mm

2.80 %

6.30

Canon EOS A2/A2E *

6.21 mm

3.50 %

7.11

Canon EOS Elan II E *

10.2 mm

9.50 %

11.68

Canon EOS Rebel series *

10.2 mm

9.50 %

11.68

Nikon N50

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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