Quiz Photography 11 Pinhole, photogram and early history of photography

What does Photography mean? What 4 essential elements must all cameras have? Why is the image in a pinhole upside down and reversed? What determines if a pinhole image will be sharp or blurry? Why is it essential to keep accurate data sheets with a pinhole camera?!!! What is a camera obscura? What was it used for? How did it change over time? When was the first permanent photo created? By whom? Exposure time? Subject matter?

What type of image is created in a pinhole? Why is the image in a pinhole upside down and reversed? Explain what a daguerrotype is and who invented it. Approximate date? Why were daguerrotypes popular? What was the subject matter of early photos? What process did Talbot invent? Why was this important? What disadvantages did the wet plate process have?

What did Eastman and Walker invent? How did this greatly change the world of photography? What is Eastman’s company? How did the early cameras work? What 2 sides does a darkroom have? Explain why! What is the ‘light machine’ called? Photo paper is placed in a ______ ______ because it is sensitive to ____________. _____________are used in the darkroom to enable you to see without exposing the _______.

Chemical baths used to develop photo paper are: #1 ______________ - purpose – time? #2_______________-purpose – time? #3 ______________ - purpose – time? #4 ______________ - purpose – time? To determine the ____________time for a positive of the pinhole image, you must make a ________________ in equal intervals.

When making a photogram: ____________objects turn out white because _________light goes through. _____________objects turn out black because _____________light goes through unless the object has dimension. ___________________objects turn out grey because ____________light goes through.