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((Short description|Photographic bag designed to be light-proof))
((More citations needed|date=December 2023))
[[File:Wechselsack (smial).jpg|thumb|Changing bag for [[small format]].(perspective image)]]
[[File:-71wiki.jpg|thumb|Changing bag for [[large format]].]]
A '''changing bag''' is a photographic bag specifically designed to be light-proof and therefore to protect the light sensitive (unexposed) film before intended use. A changing bag is made of light proof material, and usually is composed of synthetic fibre. They are convenient to use when a [[darkroom]] is not available, as when in the field. Many photographers do not own or have access to a darkroom, yet still need to being able to protect film from light, as when removing [[photographic film|film]] from its canister to put it into a [[developing tank]], or loading and unloading sheet film holders. They are also commonly found on the set of a [[film]], where the [[clapper loader]] may need one if shooting on location or far away from a darkroom.<ref>((Citation |last=Laytin |first=Peter |title=Black-and-White Infrared Film |date=2016 |url=https://www.taylorfrancis.com/chapters/edit/10.4324/9781315671789-3/black-white-infrared-film-peter-laytin |work=Darkroom Dynamics |access-date=2023-12-01 |publisher=Routledge |doi=10.4324/9781315671789-3/black-white-infrared-film-peter-laytin |isbn=978-1-315-67178-9))</ref>

==Usage==
A changing bag is routinely used by amateur photographers and others when a darkroom is not available as is often the case in field shooting. It is also used in commercial photo processing labs, often to change [[photographic paper|paper]].

==Description==
A changing bag has two sleeves at one end for both the user's arms, and a zipper (often more than one, for double layered changing bags) to insert the tools and film needed. There are several sizes available, from smaller ones for many [[photography|still photography]] applications to larger bags used in large-format still photography or film making, which may need to hold both a [[camera magazine|magazine]] and a can of [[film stock]] which each have a 1000-foot capacity. Larger changing bag sizes are also available as "changing tents", where the top of the bag can be held in a dome-like configuration through the use of two curved rods.

== References ==
((Reflist))

((DEFAULTSORT:Changing Bag))
[[Category:Photography equipment]]
[[Category:Bags]]


((Photo-stub))

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