Sigma 105mm WR Ceramic
Protector Filter:
Sigma
105mm WR Ceramic Protector Filter is a lightweight, durable and thin filter
constructed from clear glass ceramic material which is ideal for protective lens
filters. In conventional high-strength protective filters, chemically
strengthened glass is used but only the surface is strengthened. This clear
glass Ceramic is made with a special heat treatment that precipitates
microcrystals evenly throughout, for consistent strength. It combines greater
elasticity for excellent shock absorbent resistance and is also resistant to
cracking from scratches or chipping. The anti-static water repellent coating
prevent water and oil from adhering to the filter surface which helps to
minimize ghosting and flare. It reflects 0.23% of light and giving an overall
transmittance value of 99.76%. It features Vickers hardness number of 700HV
which make it both scratch and shock resistant. It is included with hard acrylic
case protect the filter when not in use. It also guards the front lens element
from impacts and scratching without affecting image quality.
Sigma 105mm WR Ceramic Protector Filter
Features:
Sigma 105mm WR Ceramic Protector
Filter
Guards the front lens
element from impacts and
scratching without affecting image quality.
Clear glass ceramic is highly durable substrate, greater hardness
than
chemically-strengthened glass and more flexibility than sapphire crystal glass.
Features Vickers hardness number of 700HV, making it both
scratch- and shock-resistant.
Clear glass ceramic
involves a heat
treatment process that precipitates microcrystals of a mineral called spinal in
order to achieve consistent, even strength across the entire filter surface.
Anti-static Water-repellent (WR) coating prevent
water and
oil from adhering to the filter surface, helps to minimize ghosting and
flare.
Reflects 0.24% of light, giving an overall transmittance value of
99.76%.
Included hard acrylic case protects the filter when not in use.
Thin and lightweight.
Specifications:
Sigma 105mm WR Ceramic
Protector Filter
Type: Clear ceramic protector filter
Size: 105 mm
Filter Factor: 1 (0 stop)
Multi-Coated: Water-repellent coating
Effect: Protects front lens element
Construction: Clear glass ceramic
Front Filter Thread Size: 105 mm
Front Lens Cap Size: 105 mm
Kit Contents
Sigma 105mm WR Ceramic Protector Filter
Hard Acrylic case
Instruction / User Manual
For more information about, Sigma 105mm WR Ceramic Protector Filter .
Customer Reviews on Sigma 105mm WR Ceramic Protector Filter
£185.61
by Sigma
£122.00
by Sigma
£32.00
by Sigma
£50.04
by Sigma
£39.83
by Sigma
£67.49
by Sigma
£56.87
 |
|
|
|
|
| Your Recently Viewed items |
|
|
