Traditional Photography Unit 15

Film Coated with a gelatin emulsion that has extremely small microscopic silver halide crystals The sizes of these crystals actually determine the contrast, resolution and how sensitive the film is. The modern colour film consist of around 12 different layers

Medium Format/35mm Basically it is a type of film gauge commonly for motion pictures and chemical still photography 35mm referes to the width of the film even though the width isn’t exactly 35mm they can be between 34.95 and 35.01

Taking the photo Contains a gelatin emulsion with Silver Nitrate as one of the chemical in it. When light hits the silver nitrate it makes it into metallic silver (otherwise known as a latent image) So when you take the photo the light will bounce of the target into the camera and the image the light produces will be captured on the film Depending on how much light hit parts of the image will be lighter or darker

Processing Film The lights have to be out as total darkness as exposure to light will effect how the picture will look are dark room like you see in old shows Wind the film onto a reel and put it in a developing tank To clean the film water or a non-ionic wetting agent to rinse and left to dry after that

Developing Developer is added: A liquid that grows the silver in the image until they are visible Agitate for 2 – 6 mins Add stop bath (generally acetic acid or citric acid ) Add Fixer: This removes unused chemicals from the film (the silver halides) Wash and dry the film (more detail on previous page)

Negatives Negatives is what the photo is referred to once it has been processed as the lightest area appear darker in the photo

Positive The photo appears close to what the original scene. Can be colour or black and white. E.g the top left image on the right

Negatives use We can use them to make printed photos This is done by projecting the negative onto a photographic paper with a photographic enlarger

Making Prints The process is incredibly similar processing film We use paper with silver compounds in (just like film) Enlarging the photo is the first step in the process using either the contact process or Develop Stop Fix Wash, Dry and Finish – in old shows like some older Simpsons episode or even in Chucky they hang the photo up at the top of the room as warm air rises it will dry it quicker

Enlarging By placing the negative in an photographic enlarger and projecting it onto a piece of photographic material such as glass or filmfor a fixed time (10s – 2 min) depends on the power of the enlarging agent.

Adjustments Burning Dodging Contrast Similar to how you can burn and dodge images on Photoshop this is based of the actually adjustments that can be made on real photos plus the additional adjustment of the contrast which is saturation Burning Giving bits of the image more light – makes them darker Dodging Shading bits of the image – makes them lighter Contrast Different types of paper and developer allow contrast to be changed

Processing Agitate the paper in developer, till image appears Move to stop bath tray Agitate in Fixer tray Wash and Finish

Finishing When finished with the developing there one last step which is to add effects to it such as pressing on a glossy coating or textured surface to make it look nicer or cropping to get rid of parts of the pho that aren’t needed and take away from the focus. Another finish that can be used is mounting it

Colour Much the same but takes place in total darkness as the colours are more affected on the outside light then black and white. Enlarging is complicated because corrections are made by changing the enlarger’s light colour meaning it is a lot more pricier as you can’t just use one light for a lot of