Colorless / Neutral
Brand Label Size Notes
Hoya PL 58mm Polarized Light, Japan


Color Enhancement / Correction
Brand Label Size Notes
Hoya Intensifier 72mm Red, Japan
Hoya Enhancing Filter 55mm U.S.A.
Promaster Red Enhancer 52mm Japan


Textual / Atmospheric
Brand Label Size Notes
Calumet Speck (B) 72mm Japan
Hoya Fog Filter (B) 67mm Japan
Hoya Softener (A) 62mm Japan
Tiffen Soft/FX™ 1 62mm Made In U.S.A.
Hoya Soft II 52mm Japan
Hoya Diffuser 55mm Japan


Contrast Enhancement for B&W Photography
Brand Label Size Notes
Vivitar Med. Yellow K-2 55mmm 2X (Exposure Factor)
Kenko PO1 62mm Green, Japan
Spiralite Contrast-Blue 55mmm Japan


Close-Up - Macro Photography
Brand Label Size Notes
Tiffen +4 72mm Japan
Hoya +4 62mm HMC (Hoya Multi-Coating), Made In Japan


Special Effects
Brand Label Size Notes
Hoya CS 58mm Cross Screen, 4-lines cross pattern, Japan
Hoya Variocross 52mm Japan
Tiffen Split-Field +1 58mm Diopter, Japan
Spiratone Center Sharp Lens 55mm Japan
Tiffen Center Spot 52mm Japan
Hoya Dual-Color Y/P 52mm Yellow/Purple, Japan


Misc Speciality Filters
Brand Label Size Notes
Spiratone Colorflow II R/Y 62mm Color-Adjustable Polarizing Filter, Japan
Prinz Variocolor R/B 55mm Japan
Unbranded IR filter 58mm 720nm ?
Unbranded IR filter 58mm 950nm ?