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2" diagonals differences between manufacturers?
Bintel advertises a 2" quartz dielectric diagonal at 99% reflectivity and 1/12 wave accuracy for $149, manufactured by GSO.
Andrews advertises a William Optics 2" dielectric diagonal at 99% refelctivity and 1/10 wave accuracy for $239.
Based on the advertised numbers, the performance should be similar or (very) slightly better for the Bintel diagonal.
What is the justification for the higher price of the WO? Is it the fit and finish only?
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