Cosina Phoenix Vivitar Promaster Voightlander ---- 100-400mm F4.5-6.7 Lens Reviews - Cosina Lenses - Pentax Lens Review Database
![Cosina AF 100-400mm F/4.5-6.7 MC (Phoenix, Promaster, Soligor, Tokina, Vivitar Series 1, Voigtlander ULTRON) | LENS-DB.COM Cosina AF 100-400mm F/4.5-6.7 MC (Phoenix, Promaster, Soligor, Tokina, Vivitar Series 1, Voigtlander ULTRON) | LENS-DB.COM](https://lens-db.com/wp-content/uploads/2012/07/4821263342_a66d333d41_b.jpg)
Cosina AF 100-400mm F/4.5-6.7 MC (Phoenix, Promaster, Soligor, Tokina, Vivitar Series 1, Voigtlander ULTRON) | LENS-DB.COM
![Vivitar Series 1------ 100-400mm F4.5-6.7 Lens Reviews - Vivitar Lenses - Pentax Lens Review Database Vivitar Series 1------ 100-400mm F4.5-6.7 Lens Reviews - Vivitar Lenses - Pentax Lens Review Database](https://www.pentaxforums.com/userreviews/data/86/Vivitar_400mm_sm.jpg)