- 1977-79 GM full-size lineup
- 52 Project 2016
- Aquariums And Marine Parks Of America And Canada
- Captive Dolphin & Whales
- FotoVotr.com Amber Group
- K-5
- K-Mount Lovers
- Lego Minifigures in the wild
- LIMITED LENS of PENTAX
- Nook Wallpapers
- PENTAX *istDs
- PENTAX - All Genuine Lenses
- Pentax / Ricoh K, Q, Z & GR series, only the best shoots ...
- Pentax Awards (post 1, award 1......currently banning bad users)
- Pentax FA 77mm f/1.8 Limited
- Pentax K-5 / K-5 II / K-5 IIs Photographers
- Pentax K-5 Fan Club
- Pentax Limited Lenses
- Pentax Limiteds
- Pentax ME / ME Super - more than a photopool!
- Pentax Primes
- Project Weather
- School of Digital Photography
- Sigma 10-20mm
- SMC PENTAX-FA 43mm f1:1.9 Limited / -L Special
- Statue of Liberty National Monument
- Tamron 90mm f2.8 Macro Lens
- TapersSection.com
- The Skeptic's Guide Photography Group
- Worlds of Funtography