Spherical and chromatic aberrations have been corrected to near-perfect levels, thanks to a new optical design. This lens also offers vari-pitch cam-type focusing mechanism for exceptionally light and fast focusing. A detachable tripod mount is provided as is a filter holder for economical 34mm drop-in filters.

SPECIFICATIONS:

* Type: telephoto

* Construction: 6 elements in 6 groups

* Angle of view: 8 degrees 15 minutes

* Minimum Aperture: F/32

* Closest Focusing Distance: 10ft

* Filter size: drop-in type 34mm with holder

* Lenshood: Built-in

* Length: 8 in

* Weight: 34oz. w/tripod mount