Asahi Super Takumar 55mm f2.
To get it this color, I only used a custom white balance.
(http://farm9.staticflickr.com/8443/7807065916_32f4ee6812_b.jpg)
2,046px http://farm9.staticflickr.com/8443/7807065916_a71b552605_k.jpg (http://farm9.staticflickr.com/8443/7807065916_a71b552605_k.jpg)
3,456px http://farm9.staticflickr.com/8443/7807065916_ea8713b951_o.jpg (http://farm9.staticflickr.com/8443/7807065916_ea8713b951_o.jpg)