shop › A 2 3/4” dichro sphere. Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 A 2 3/4” dichro sphere. $1,500.00 This is a dichroic glass sphere 2 3:4”. Purchase Added! This is a dichroic glass sphere 2 3:4”.