Mounts

This photo shows a comparison of cradles from 6″, 4″ and 3″ mounts (courtesy of a private source):

Cradles346_CM

 

Some comparison photos of the 6″ and 5″ mounts (courtesy of a private source):

5&6Unitron_1a 5&6Unitron_2a

 

Photos of variations in Model 128 mounts (courtesy of Xavier Debeerst):

Polarex_mount_128_01 Polarex_mount_128_02 Polarex_mount_128_03