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High sensitivity film
The sensitivity of standard film is measured in units called ISO ,but the most general used film is the ISO100-400 sensitivity. The high sensitive film is apart from the ISO1000, the ISO1600 and the ISO3200. When asking what kind of situations this film is used in, it's natural of course to be used in dark scenes supplemented with a high speed shutter (1/250 secs). Also when you are shooting physical sports photography and various stage performances, and there are times when using it for astrophotography, but these are only quite light situations. Dark astrophotography needs a special film and special treatment. Now the limit for the high sensitive film with colour is the ISO3200 but, for the black and white film, there is some ISO that can have several thousands of developing treatment.

Photograph 1:A water circus taken on ISO1000 which had been intensified treated to a ISO2000. Because I wanted to take it with a dark stage light and a high speed shutter (1/500secs). Originally the particles stood out in this film but, thanks to the intensification they have evened out nicely.


Photograph 2:To freeze a indoor sport motion, it's necessary to have a high sensitive film and a bright lens. Without these, the 1/500 second film wouldn't freeze the ball action. In this case, assuming that I was going to intensify treat the ISO3200, I took the photo.



Low angle photography
Low angle photography is when you photograph something looking above from be low. Photographing a building or mountain turns naturally into a low angle but, we'll aim more intentionally. Low angle photography, because of perspective, means the far away objects are portrayed closer and the top becomes tapered. This effect is emphasised with a wide angled lens and this is low angled photography. The tapering of the top becomes more emphasised and this makes for an interesting photograph. For example when taking a person, the head becomes smaller, the legs fatter and the overall photo elongated. It's like photographing a 6 headed person and an 8 headed person comes out.
In situations when low angle photographing landscapes, especially metropolis scenes, it's effective to make a pointer of an object in front of you.
Next we'll try the opposite effect of low angle...'High Angle' - when we look down and photograph.

Photograph 3:Low angle photography of some dancers on a stage. I used a 28mm wide lens for this ocassion.


Photograph 4:Low angle photography on an overseas street corner. Using the street light in front of me as a point, I shot this.