Antlia Filters 36 mm unmounted LRGB PRO filter set

Antlia Filters 36 mm unmounted LRGB PRO filter set

• Transmittace >95% guaranteed
• AR anti-reflection film design to reduce secondary reflection and halo generation
• RGB's nearly 1:1:1 design makes the color more balanced, naturally
• In the production process, we use the most stringent quality control standards, use the same thickness of the substrate, and have strict tolerance requirements, so the LRGB filter is equal.
• We optically extinction the perimeter of each filter, applying a dark matting ink, each one is hand-operated. Controlling stray light to a minimum extent, this process takes a lot of time and effort, because it is purely manual.
• These filters are not recommended for visual observation of deep space objects.
• These filters are not suitable for observing and photographing the sun.

Product parameters:

• Optical glass
• 1.25", D31mm, D36mm, 2" is 2mm +/- 0.05mm
• 50mm R, 50*50mm S, 65*65mm S is 3mm +/- 0.05mm
• Surface finish: 60/40 (in accordance with US military watch MIL-O-13830)
• Double side polishing
• Face type: 1/4λ
• Parallelism: 30′′
• Tave>95%
• OD3 (0.001 or more) @ 300-1050nm
• Double-sided multilayer nano-coating
• Monolithic non-glued optical glass
• Size
• With cell: 1.25” (M28.5*0.6), 2” (M48*0.75)
• Without cell: D31mm*2mm, D36mm*2mm,
• Without: 50mm R*3mm, 50*50mm S*3mm, 65*65mm S*3mm