I found this add today for a lens you don´t see every day:
(It´s in rather poor Norwegian, but the seller seem to be English)http://www.finn.no/finn/torget/annonse?finnkode=46412958&searchQuery=canon
For anyone with an interest:
Here is the official line on the lens.http://www.mir.com.my/rb/photography/companies/canon/fdresources/fdlenses/fdzooms/150600.htm
Focal length: 150-600mm
Aperture ratio: 1:5.6
Lens Construction: 15 groups with 19 elements
(including 8 UD glass elements)
Coating: S.S.C. (super spectra coating)
Angles of view: Diagonal: 16 20' - 4 10' Vertical: 9 10'ñ2 20'
Horizontal: 18 40' - 3 30'
Distance scale: (m) 3 (Magnification 0.07 x at 150mm. 0.26x at 600mm) to 100.OO (ft);
Focusing mechanism: Rotation of knob
Zooming: Sliding of knob, mechanical compensation system
Minimum aperture: f/32. A
Filter type: Rear section biterholder, drop in type (with 34 mm exclusive filter Regular 1X)
Hood: Built-in type
Cap: Exclusive (CF2-0716)
Function: Auto Aperture, Full aperture metering (AE operation when used with ALL Canon automatic SLR cameras.
Length x max. diameter: 468mm x 128mm