Shrewd Optum Lens Housing

Shrewd Optum lens housing threads into shrewd scopes. Threaded on the inside for a lens compatible sunshade, two part CNC machined 6061 aluminium body Optum lens housing (smlhoptum) fits the 40mm and 35mm Optum Accepts lenses that are 1.75" in diameter Large housing (smlhnomad) fits 42mm and 35mm nomad scope Accommodates lenses from 1.572" to 1.672" in diameter Small housing (smlhmm) fits 29mm Mini Mag and essential scope Accommodates lenses from 1.250" to 1.350" in diameter Optional lens installation tool available separately (not required for Optum lens housing) Made in the USA Does not include a lens