Optical performance of the new TF-20 lens is similar to the previous model however; it utilizes new generation prime optics with a modest increase in resolution and contrast.

Overall length is 4.0" shorter with an increase in maximum diameter of 0.5". See the line drawing for detailed dimensions.

The image circle produced by the TF-20 lens is a nominal 40mm and is ideal for use with high-resolution digital cameras that use large CMOS image sensors and 35mm film cameras.  The existing family of LAP camera adapters remains the same for all

Cinetel II lenses: C-mount, Nikon F mount. Canon Bayonet mount and many others,

A precision 2x tele-extender is still available and fits between the lens and the camera adapter and doubles the focal length to 1,000mm at a nominal f/8.0

 selection of heavy duty lens supports is illustrated with several digital and film cameras on the regular Cinetel II Telephoto Lens data sheet.  This data sheet also describes numerous features and benefits of the entire Cinetel II family of telephoto lenses.