PINHOLE EXPOSURE TIMES

Film Speed (ISO) 400 Negative Film

 CAMERA TYPE

Ultra-Wide Angle
 Wide Angle

Normal

Telephoto

 Type of Light
       

 Bright Sun
Normal scene

 2 secs.

 2 secs.

  3 secs.

 4 secs.

 Cloudy Day

 6 secs.

 6 secs.

 10 secs.

 12 secs.

Film Speed (ISO) 100 Negative Film

 CAMERA TYPE

Ultra-Wide Angle
 Wide Angle

Normal

Telephoto

 Type of Light
       

 Bright Sun
Normal scene

 8 secs.

 8 secs.

  12 secs.

 16 secs.

 Cloudy Day

 25 secs.

 25 secs.

 40 secs.

 48 secs.

Film Speed (ISO) 50 Negative Film

 CAMERA TYPE

Ultra-Wide Angle
 Wide Angle

Normal

Telephoto

 Type of Light
       

 Bright Sun
Normal scene

 16 secs.

 16 secs.

  24 secs.

 32 secs.

 Cloudy Day

 50 secs.

 50 secs.

  1 min. 20 secs.

  1 min. 36 secs.

____Sample Photos