High quality optical precision, with multi element construction and antireflex coating. All metal constructed body with helical focusing. Their optical correction is very close to that of the photographic lenses. To achieve these result, optical construction with three or even four lenses in two groups have been used.
To forward this message, please use the forward page in our newsletter system.
To change your details and to choose which lists to be subscribed to, visit your personal preferences page
Or you can opt-out completely from all future mailings.