photo:pentaxsmc1000mmf11
Pentax SMC 1000mm f/11 mirror lens
introduction
this super telephoto lens introduced in ? is a catadioptric mirror lens, and as with all such
mirror lenses, share the following characteristics:
specs
1000mm focal length and field of view (2.5°) at infinity focus
fixed f/11 aperture
6 lens elements, 4 groups
closest focus 8m (0.2x)
52mm rear filter thread
built-in ND filters (-1 stop, -1.5 stop, -2 stops)
built-in skylight, yellow and red filters
Pentax K lens mount
119mm diameter, 248mm long and 2.3kg
reviews
photo/pentaxsmc1000mmf11.txt · Last modified: 2014/05/18 19:25 by gary1