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- Arri_PL abstract "Arri PL is a lens mount developed by Arri for use with both 16 mm and 35 mm movie cameras. The PL stands for "positive lock". It is the successor mount to the Arri bayonet; however, unlike the bayonet mount, it is incompatible with older Arri-mount lenses, due to the larger diameter. (This can be rectified with an adapter relatively easily, as the flange focal distance is identical.)The mount contains four pronged flanges which each contain a notch towards the center. Any of these four notches can be used to align the mount to a locating pin located approximately 45 degrees clockwise from the top of the camera's lens mount. This means that the lens can be oriented in any of four different configurations, which may be decided by factors such as focus puller position, camera position, and preference to working with meters or feet (if a lens has different line indicators on each side). The mount is locked into place using a friction locking ring which, in conjunction with the four prongs of the flange, creates a very strong lens seating. This has become a crucial factor in recent years, as bigger lenses with zoom capabilities, longer focal lengths, or larger lens elements have increased the need for mount stability due to the greater stress placed upon the mount by these devices.Furthermore, the tendency is for flange focal distance to become a more critical factor as sharper lenses, film stock with higher resolving power, and post-production workflows which preserve more of the original camera negative's information continue to make technological progress and advancement. Flange focal distance is also more likely to be rigorously checked as tastes for wider angle lenses continue to push the envelope, as wider lenses have a much narrower tolerance for lens displacement.Because of all of these reasons, the Arri PL mount has been extremely successful since it was first released at Photokina 1982, and has been adopted by virtually all professional movie camera manufacturers since that time, with the notable exception of Panavision, whose PV mount remains the only other lens mount still in major usage by a large number of professional productions.".
- Arri_PL wikiPageExternalLink us.arri-mount.passion.pro.
- Arri_PL wikiPageID "4481814".
- Arri_PL wikiPageRevisionID "603305126".
- Arri_PL after "-".
- Arri_PL before Arri_bayonet.
- Arri_PL hasPhotoCollection Arri_PL.
- Arri_PL title Arri.
- Arri_PL title Lens_mount.
- Arri_PL subject Category:Lens_mounts.
- Arri_PL type Animal100015388.
- Arri_PL type Chordate101466257.
- Arri_PL type Equine102374149.
- Arri_PL type Horse102374451.
- Arri_PL type LensMounts.
- Arri_PL type LivingThing100004258.
- Arri_PL type Mammal101861778.
- Arri_PL type Object100002684.
- Arri_PL type Odd-toedUngulate102373336.
- Arri_PL type Organism100004475.
- Arri_PL type PhysicalEntity100001930.
- Arri_PL type Placental101886756.
- Arri_PL type SaddleHorse102377703.
- Arri_PL type Ungulate102370806.
- Arri_PL type Vertebrate101471682.
- Arri_PL type Whole100003553.
- Arri_PL comment "Arri PL is a lens mount developed by Arri for use with both 16 mm and 35 mm movie cameras. The PL stands for "positive lock". It is the successor mount to the Arri bayonet; however, unlike the bayonet mount, it is incompatible with older Arri-mount lenses, due to the larger diameter. (This can be rectified with an adapter relatively easily, as the flange focal distance is identical.)The mount contains four pronged flanges which each contain a notch towards the center.".
- Arri_PL label "Arri PL".
- Arri_PL label "Arri PL".
- Arri_PL label "Arri PL".
- Arri_PL sameAs Arri_PL.
- Arri_PL sameAs Arri_PL.
- Arri_PL sameAs m.0c4wqy.
- Arri_PL sameAs Q648564.
- Arri_PL sameAs Q648564.
- Arri_PL sameAs Arri_PL.
- Arri_PL wasDerivedFrom Arri_PL?oldid=603305126.
- Arri_PL isPrimaryTopicOf Arri_PL.