Sensei 40.5-49mm Step-Up Ring Anton Bauer XLR-4 you can burn the enamel

you can burn the enamel off as well

Datasheet (FQP30N06L)

INT (Interrupt)

86mm round filter is used on the Sensei Pro 72mm Adapter Ring for 100mm Aluminum Universal Filter Holder

Tele Vue manufactures auxiliary lenses which significantly improve the quality of photographs you'll get with your telescope when used with a T-mount and 35mm or digital SLR camera

Sensei 40.5-49mm Step-Up Ring Anton Bauer XLR-4 you can burn the enamelUse 49mm Filters on 40. 5mm Lens Corrosion Resistant Anodized Aluminum The Sensei 40. 5 49mm Step Up Ring permits the use of 49mm threaded filters on lenses with 40. 5mm filter threads. It features a lightweight, aluminum alloy construction that has a corrosion resistant, black anodized finish for durability. UPC: 847628537859 Size 40. 5 49 mm Thickness 3 mm Material Aluminum alloy Knurling None Packaging Info Package Weight 0. 01 lb Box Dimensions