Barska 57
Barr & Stroud 25
Bosma 54 approx
Burris 5
Athlon 18
Bresser, Alpen 31
Bushnell 72
Canon 10
Celestron around 40
Eschenbach 33
Fujinon 26
GPO 22
Hawke 28
Kahles ( owned by Swarovski) 7
Kenko Tokina 40. (Took over Minolta service and perhaps old Minolta designs?)
Kite Optics- Belgium 35
Konus - 42 approx - some may be body covering difference only
Kowa 27
Leica 42
Leupold 23
Levenhuk 52
Maven 22
Meade 8
Meopta 17
Minox 19
Nikon 54
Noblex ( formerly Docter) 3
Oberwerk 24
Olympus 8
Opticron 51
Optolyth - unknown, too hard to figure
Orion 16
Pentax 40
Sig Sauer 10
Steiner 35
Swaro 22
Tasco 22
Vixen 34
Vortex 34
Yukon Advanced Optics- (Belarus) -appears to be 10, based on a review site. Company website not functioning.
Zeiss 33 plus or minus, hard to determine
Barr & Stroud 25
Bosma 54 approx
Burris 5
Athlon 18
Bresser, Alpen 31
Bushnell 72
Canon 10
Celestron around 40
Eschenbach 33
Fujinon 26
GPO 22
Hawke 28
Kahles ( owned by Swarovski) 7
Kenko Tokina 40. (Took over Minolta service and perhaps old Minolta designs?)
Kite Optics- Belgium 35
Konus - 42 approx - some may be body covering difference only
Kowa 27
Leica 42
Leupold 23
Levenhuk 52
Maven 22
Meade 8
Meopta 17
Minox 19
Nikon 54
Noblex ( formerly Docter) 3
Oberwerk 24
Olympus 8
Opticron 51
Optolyth - unknown, too hard to figure
Orion 16
Pentax 40
Sig Sauer 10
Steiner 35
Swaro 22
Tasco 22
Vixen 34
Vortex 34
Yukon Advanced Optics- (Belarus) -appears to be 10, based on a review site. Company website not functioning.
Zeiss 33 plus or minus, hard to determine