from Edmund Optics Inc.
Edmund Optics now offers TECHSPEC ® circular stepped density filters. These filters are available with 11 steps and are made from BK7 or Fused Silica substrates for visible and UV light applications. The circular filters are also available mounted. The durable anodized aluminum mount has an... [See More]
- Substrate Material: BK7 glass
- Surface Quality: 60-40 Scratch / Dig
- Optical Density: 0.0400 to 2