公制彈簧/安裝濾光片固定器

The Metric Spring/Mount Filter Holder can be used with optics at least 45mm in size and up to 6mm thick. Optics are clasped against the frame which has a 40mm x 40mm clear aperture. These mounts are ideal for holding various testing targets. The Metric Spring/Mount Filter Holder is especially convenient for quickly changing optics. Posts and Post Holders are required for mounting to a breadboard.