A bright two-times telephoto zoom designed for exceptional cost performance. Features outstandingly high contrast thanks to low colour dispersion lens construction for the first positive lens group, and three-element configuration for the relay lens group. Compact size and powerful performance make this lens perfect for picking out points of interest in landscapes , closely composed portraits ,etc.
Angle of view : 24 º ~ 12º.
Optical construction : 9 elements in 6 groups.
Diaphragm operation : Automatic.
F–stop range : 5~32.
Minimum focus : 2.4m ( 7.9 ).
Minimum field size : 46 x 69cm ( 18.1 x 27.2 ) ~ 25 x 37cm ( 9.8 x 14.6 )
Focusing : Rotating helicoids.
Zooming : Push-pull zoom ring.
Weight : 570 grams ( 20.1 )
Length : 148mm ( 5.8 )
Maximum diameter : 63mm ( 2.5 )
Filter size : 49mm.Ø screw-in.
Notes : Can be used with teleconverter 2x-A for super telephotography in the 200-400mm range.
After zooming ,confirm through the viewfinder that the subject is in proper focus.
A shutter speed of 1/250 sec, or faster is recommended to prevent camera shake in hand-held photography.
Suitable focusing screens : 1-1,1-2,1-3, 1-4, 1-6, 1-10, 1-13 and 1-14.