my current photo and movie equipment

Nikon D300,  digital SLR body

with 

Sigma 500mm f4.5 APO EX HSM DG  (= 750mm f4.5 on D300)

and

Nikon Teleconverter Nikkor TC-14E II (x 1.4)  

(= 1050mm f6.3 on D300 with the Sigma 500mm).

and Gitzo tripod GT5530S + Wimberly II head

Panasonic HDC-TM300 Camcorder (full HD 3MOS, 12x optical Leica ED zoom)

with

Raynox 1.54x DCR-1540PRO HD Telephoto Conversion Lens

(= 18x Optical HD zoom on Panasonic HDC-TM300)