Lens Specifications
Name Pentax 2X-S
Image Circle 35mm
Type Teleconverter
Focal Length Multiplier 2X that of the master lens
Effective Reduction in Aperture 2 f-stops
Lens Construction 7 elements in 6 groups
Closest Focus Same as that of master lens
Magnification Ratio 2.0X that of master lens
Dimensions(Length x Diameter) 64.5mm x 39mm / 2.5 in. x 1.5 in.
Weight 210g / 7.4 oz
Notes Usable Lenses: SMC Pentax A-, F-, M-lenses
Typical Online Price US$385