The SMC Pentax-FA* 400mm F5.6 lens is lighter than its A-series counterpart.
Comes with a genuine Australian Manufacturer's warranty
SPECIFICATIONS
Weight: 1140gLength: 19.9mFilter Size: 77mmMin. Focus: 200cmMax. Magnification: 0.23xMin. Aperture: f/45Max. Aperture: f/5.6Diagonal FoV (645D): 6.2 degreesHorizontal FoV (645D): 5.2 degreesOptical Construction: 9 elements, 8 group, 8 blades