- Airline: Finnair [AY/FIN]
- Airliner Photography
- Airlines: Lufthansa Group
- Analog Photography
- Cats! Cats! Cats!
- Daily Challenges (Pentax Forums)
- Enter Air
- Flower Flower Flower
- Just railways, no trains / Vías de tren sin trenes
- KLM Royal Dutch Airlines BV
- LOT Polish Airlines
- PENTAX
- PENTAX K-3 Mark III
- Pentax Limited Lenses
- Plane Spotting
- Polscy Fotografowie lotniczy
- Ryanair
- Scandinavian Airlines
- Single Challenges (Pentax only)
- SOOC (Straight Out of the Camera)
- Train Photography
- WIZZAIR
- ~ PENTAX Cameras ~