User manual
FotodioX WonderPana FreeArc XL Core Unit

User Manual for FotodioX WonderPana FreeArc XL Core Unit Kit for Sigma 12-24mm Art Lens with 186mm Slim Circular Polarizer Filter

• Product category: Filter Kits FotodioX
• Brand: FotodioX
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for FotodioX Filter Kits

Product description

• 186mm Slim Circular Polarizer Filter The FotodioX 186mm Slim Circular Polarizer Filter is compatible with FotodioX WonderPana FreeArc XL holder systems. It helps to reduce reflections as well as glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.
  
  A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.
  
  The FotodioX 186mm Slim Circular Polarizer Filter is constructed from optical glass for clarity as well as color fidelity and features lightweight, slim, aluminum-alloy filter rings. A rear filter ring connects to a compatible filter holder while the front filter ring allows the filter glass to be easily rotated. This provides the ability to achieve the desired degree of polarization.
  
  A separately-available FotodioX 186mm Center-Pinch Snap-On Lens Cap can be used to protect the front of a FotodioX 186mm Slim Circular Polarizer Filter that is placed in front of a lens.
  • Compatible with FotodioX WonderPana FreeArc XL holder systems.
  • Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
  • Polarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
  • Clears up haze in distant landscapes and provides more saturated, vivid colors.
  • Strongest effect when used at a 90° angle from the sun.
  • Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
  • Non-Coated.
  • 1.25 to 8x filter factor reduces exposure by 0.3 to 3 stops.
  • Constructed from optical glass for clarity.
  • Lightweight, slim, aluminum-alloy filter rings that together are 7mm-thick to minimize the potential for vignetting.
  • Filter pouch included for storage and transport.
  UPC: 847372032259
• 186mm Center-Pinch Snap-On Lens Cap for Select WonderPana Systems & Filters The 186mm Center-Pinch Snap-On Lens Cap for Select WonderPana Systems and Filters from FotodioX is a 186mm front lens cap with a squeeze, spring, and snap-on mechanism. It is easy to install as well as remove, and can attach to a WonderPana FreeArc XL filter holder system in order to protect the front element of a lens that any one of those systems are mounted on. Additionally, this lens cap can be used to protect a non-ultra slim FotodioX WonderPana 186mm filter mounted on a FotodioX WonderPana FreeArc XL filter holder system, with no other filter placed in front of it.
  
  Lens caps protect your lens or filter from scratches, fingerprints, and the elements when the lens or filter is not in use. It's always good to have a spare in your camera bag. UPC: 847372032228

• Filter Pouch

• Limited 2-Year Warranty

• Limited 2-Year Warranty

Also Includes

• WonderPana FreeArc XL Core Unit for Sigma 12-24mm f/4 DG HSM Art Lens
• Limited 2-Year Warranty

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Technical parameters

• 186mm Slim Circular Polarizer Filter

  Filter Type	Circular Polarizer
  Filter Factor	1.25 - 8 (0.3 - 3 Stop)
  Shape	Circle
  Rotating	Yes
  Filter Thickness	0.28" (7 mm)
  Filter Material	Glass
  Coatings	None

  Box Dimensions (LxWxH)	8.5 x 8.2 x 0.8"

• 186mm Center-Pinch Snap-On Lens Cap for Select WonderPana Systems & Filters

  Type	Front
  Size	186 mm
  Attachment Method	Center Pinch
  Material	Plastic

  Box Dimensions (LxWxH)	7.2 x 6.3 x 0.9"

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