ISO Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • ISO 100 52.2
  • ISO 200 31.5
  • ISO 400 8.7
  • ISO 125 4.3
  • ISO 320 1.1
  • ISO 800 1.1
  • ISO 160 1.1

Exposure Program Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • Aperture-priority AE 45.1
  • Manual 34.1
  • Not Defined 8.8
  • Program AE 7.7
  • Shutter speed priority AE 2.2
  • Action (High speed) 2.2

Shutter Speed Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • 1/125 16.3
  • 1/250 9.8
  • 1/180 7.6
  • 1/200 7.6
  • 1/160 6.5
  • 1/1000 5.4
  • 1/500 5.4
  • 1/90 4.3
  • 1/60 4.3
  • Other 32.6

Aperture Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • f/2.80 23.9
  • f/8.00 12
  • f/4.50 10.9
  • f/5.60 9.8
  • f/4.00 9.8
  • f/3.50 9.8
  • f/11.00 5.4
  • f/3.20 4.3
  • f/5.00 3.3
  • Other 10.9

Focal Length Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • 90.00 100

Metering Mode Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • Multi-segment 61.5
  • Center-weighted average 20.9
  • Spot 17.6

White Balance Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • Manual 52.7
  • Auto 47.3

Flash Settings for
Pentax K20D and Tamron SP AF 90mm F2.8 (172E)

  • Off, Did not fire 90.2
  • On, Fired 9.8


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