How does a diagphram work in a camera

Subject: How does a diagphram work in a camera

Date: Tue Mar 21 16:03:42 2000
Posted by Lorna Markillie
Grade level: 10-12 School: Plymstock School
City: Plymouth State/Province: Devon Country: England
Area of science: Engineering
ID: 953676222.Eg

Message:


I understand how a camera takes a picutre, like pinhole, but in a modern 
camera there is an item called a diapghram.  How does it work and how does 
it fit in with the Lens and Shutter. Please

Re: How does a diagphram work in a camera

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