Lindsey Optics - 5.65" x 5.65" Brilliant Clear with Anti-Reflection Coating
5.65" x 5.65" x 0.135" Clear Filter (143.5mm x 143.5mm x 3.43mm) Broadband Multi-Layer Anti-Reflection coating (MC Coating)
5.65" x 5.65" x 0.135" Clear Filter (143.5mm x 143.5mm x 3.43mm) Broadband Multi-Layer Anti-Reflection coating (MC Coating)