- 4x5
- 4x5 Film camera
- Astrophotography - The Solar System and Beyond
- Backyard Astrophotography
- Black and White
- Ektar 100, medium format 120
- End of Our World
- Folding medium format cameras
- Fungi Family
- Get closer to the Moon
- Harman Direct Positive Paper
- ILFORD DELTA 3200 Professional Black and White Film
- Ilford FP4+
- Ilford HP5 Plus
- K-mount MANUAL-FOCUS Lenses
- Kodak Ektar 100
- Kodak NEW Ektachrome E100
- Large Format Color
- large format landscape
- Large Format Portrait
- M.P.P. Micro Technical Camera
- Macro & Close up Photography
- macro flowers insects
- Microscopy
- Microscopy Art
- Moon Full or otherwise
- Mushrooms & other fungi (Your Fab Fungi Fotos, FFF)
- Natural Landscape & Wildlife Photos
- Pentax Film Cameras
- Pentax K Mount
- Pentax MX
- Pentax Primes
- Pentax SMC 50mm f/1.7
- Photoelasticity
- Polarizing microscopy
- Rikenon
- SMC Pentax-M 28mm F2.8
- Sony NEX E mount photography group
- Waterfall Appreciation and Critique
- Waterfalls of Hawaii
- Zeiss Ikon Ikonta 521