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User Manual for Sigma 77mm WR Ceramic Protector Filter Click to enlarge the picture
Contents of the user manual for the Sigma 77mm WR Ceramic Protector Filter
- Product category: UV, Clear & Skylight Sigma
- Brand: Sigma
- 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 Sigma UV, Clear & Skylight
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User manual for the Sigma 77mm WR Ceramic Protector Filter contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Sigma product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Sigma user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Sigma product will considerably shorten its lifespan!
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Product description Sigma Introduces the WR Ceramic Protector Filter Read More Characterized by its uniquely durable construction, the 77mm WR Ceramic Protector Filter from Sigma is a clear filter designed to guard the front of a lens from impacts, scratching, and other elements. Developed using a clear glass ceramic substrate, this filter blends a high 99.76% transmittance value with greater hardness than chemically-strengthened glass and greater flexibility than sapphire crystal glass. This results in a build that is shock- and scratch-resistant to withstand a variety of impacts while shooting. Additionally, a water-repellent coating has also been applied to resist water droplets and fingerprint smudging, as well as static electricity from attracting dust or other particles. Built for use in trying conditions, the unique design of the WR Ceramic Protector Filter helps to maintain the lens' inherent image quality while affording a high degree of protection. - Clear protection filter guards the front lens element from a variety of impacts and scratching without affecting image quality.
- Clear glass ceramic is a highly durable substrate that has a greater hardness than chemically-strengthened glass and more flexibility than sapphire crystal glass.
- Unique construction has a Vickers hardness number of 700HV, making it both scratch- and shock-resistant. This hardness also lessens the likelihood of scratching or chipping that can lead to the filter shattering.
- Rather than only the surface structure being hardened, clear glass ceramic involves a heat treatment process that precipitates microcrystals of a mineral called spinel in order to achieve consistent, even strength across the entire filter surface. This strength also enables the design of the filter to be notably thin and lightweight.
- A water-repellent (WR) coating has been applied that, in addition to preventing water and oil from adhering to the filter surface, also helps to minimize ghosting and flare. This coating reflects 0.24% of light, giving an overall transmittance value of 99.76%.
- The WR coating also serves as an anti-static coating, which helps to repel dust or other particles from clinging to the filter surface.
- The included hard acrylic case protects the filter when not in use and has been designed to prevent accidental, unwanted opening.
UPC: 085126931827 In the Box Sigma 77mm WR Ceramic Protector Filter Acrylic Filter Case Limited 1-Year North and South America Warranty Limited 3-Year U.S.A. Warranty Extension Table of Contents
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Technical parametersSigma AFG9E0 Specs | Filter Type | Clear | | Filter Factor | 1 (+0-Stop) | | Shape | Circle | | Circular Size | 77 mm | | Front Accessory Thread / Bayonet | 77 mm | | Filter Material | Glass | | Coatings | Multi-Coating | | | | Package Weight | 0.25 lb | | Box Dimensions (LxWxH) | 4.9 x 4.1 x 0.8" |
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