These are some second hand lenses that I have tried. Lets recycle them. These old lenses are solidly built and as they say "They dont make them as they use to". These lenses can be adapted to different digital single lens reflex through adaptors. Do email sales@li.sg for these adaptors.
Equipment Type: Manual focus Lens
Equipment Brand: Nikon
Equipment Model: Vivitar macro 100mm
Price (S$): $200
Description:
Good condition lens in manual focus with Tiffen filter. First offer at $200 get the lens.
Equipment Type: Manual focus Lens
Equipment Brand: Sigma (Canon EOS Mount)
Equipment Model: Sigma 600mm Mirror Lens
Price (S$): $400
Description:
Selling a very good condition Sigma 600mm Mirror lens. Have been using it with my Lumix G1 and Canon 500D. Compared to a Vivitar 500mm, this lens is sharper and more robust. It can do macro and you can keep your distance. Mirror lenses are very compact and portable.
Equipment Type:Manual focus Lens
Equipment Brand: Pentax
Equipment Model: Pentax 500mm f4.5
Price (S$): $1200
Description:
Selling a very good condition Pentax Super Takumar. Excellent for birding but it is huge! Screw mount and manual focus. So you can use it on most DSLRS. On the Olympus it would be 1000mm!
Throwing in a 2x Screw Mount convertor 
