Cavision Industrial Series Two Element Wide Angle Combination of BWA07X117 & PWA07X77 for Lenses with 77mm Filter Thread, for Use as .49x or .7x

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About the Cavision BWA07X117

• The Cavision Industrial Series two element Wide Angle Combination of BWA07X117 & PWA 07X77 for lenses with a 77mm filter thread, can be used as .49x or .7x. It provides a 50% wider angle of view and features a universal design for use with a variety of different lenses. It can also be used with CR series adapter rings to step down to 72mm to fit a 72mm front lens.

What is the differences between Wide Angle Adapters and Wide Angle Converters?
• Fixed focal adapters lose focus when the focal length on the camera lens is changed (i.e. zooming). For this reason the adapter is not recommended when live zooms are necessary. Note: Typically it is possible to change the zoom level a small amount while still retaining focus.
• When using an adapter, the normal focusing operation does not function. It is necessary to use the macro focus control instead. For mini-DV cameras that do not have a macro focus control, the lens will typically retain focus from the widest angle to approximately 1/4 of the zoom range.
• With zoom-through converters, normal lens operation is not affected. Focus operations will work the same as before and focus will not be affected when the focal length is changed (i.e. zooming).

Cavision BWA07X117 Features

  • Industrial Series (for 72 to 77mm lenses)
  • Highly Affordable
  • Multi coated elements
  • High resolution
  • Universal design to fit a variety of lenses
  • All glass and metal construction

Cavision BWA07X117 Specifications

Class: Industrial
Effect: 0.5x
Suitable lens: Ø 77mm or 72mm Filter Thread size with adapter
Coating: Multi-coated
Zooming: Fixed focal
Focus: By macro mechanism
Aperture: No light loss
MOD: 0.20m
Angle of view: At 8mm position: 95°27' X 79°03'
Format: 2/3", 1/2" or 1/3"
Front Filter Thread: Ø 113mm; P=1.0
Back mount: Back thread: Ø77mm P=0.75
Construction: 2 groups, 2 elements
Dimensions: Ø 120mm X 40mm(h)
Net weight: 450g
Finishing color: Black
Optional Accessories: Adapter ring for Ø72mm front lens: AR77-72
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