Shop › Voigtlander Micro 4/3 Adapter (For Pentax K-4/3) Voigtlander Micro 4/3 Adapter (For Pentax K-4/3) $179.00 sold out Voigtlander Micro 4/3 Adapter (For Pentax K-4/3) — for Pentax K-4/3. Sold Out Added! Voigtlander Micro 4/3 Adapter (For Pentax K-4/3) — for Pentax K-4/3.