Difference between revisions of "Filter thread"

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{{glossary}}
 
{{glossary}}
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The '''filter''' is an optical device that can be added to the optical system of a [[camera]]. It consists of one or two glass plates, mounted in a frame that is attachable to the lens of a certain camera or to the [[filter thread]] of lenses with a certain diameter. Colour filters let through light of a certain colour better than light of other colours. Early colour filters were cuvettes which could be filled with coloured water. Nowadays color filters consist of only one glass plate which is coated with a transparent glass color.
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The '''Filter Thread''' or '''Filter Ring''' is a threaded section inside the front of a lens to allow accessories such as [[filter]]s and [[lens hood]]s to be attached.
  
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{{stub}}
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=== Common filter system ===
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{| border="1" cellpadding="2" style="margin: 0.5em 2em; text-align: center; border-collapse: collapse;"
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! scope="col" width="100" | System
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! scope="col" width="100" | type
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! scope="col" width="100" | thread
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! scope="col" width="200" | description
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|-
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| [[Contax G]] || screw ||46mm || except 16mm and 21mm lens
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|-
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| [[Fuji GX680]]  ||screw || 82mm
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|-
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| [[Leica]] ||snap on|| A36 || early
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|-
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| Leica || screw|| 39mm ||late
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|-
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| [[Mamiya RB67]] || screw || 77mm
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|-
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| [[Nikon F mount lenses|Nikon F]] || screw || 52mm
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|-
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| [[Olympus OM]] ||screw|| 49mm
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|-
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| [[Pentax]] || screw||  49mm
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|-
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| [[Pentax 6x7]] || screw|| 67mm
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|}
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[[Category: Camera parts]]

Latest revision as of 05:55, 27 May 2013

Glossary Terms

The Filter Thread or Filter Ring is a threaded section inside the front of a lens to allow accessories such as filters and lens hoods to be attached.

Common filter system

System type thread description
Contax G screw 46mm except 16mm and 21mm lens
Fuji GX680 screw 82mm
Leica snap on A36 early
Leica screw 39mm late
Mamiya RB67 screw 77mm
Nikon F screw 52mm
Olympus OM screw 49mm
Pentax screw 49mm
Pentax 6x7 screw 67mm
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