Tiffen 5.65 x 5.65" 85B Linear Polarizer Filter Cokin CH300-06 It has a 5/8" end

It has a 5/8" end stud and will mount to any grip head via its built-in "ear"

The black EP-13 Eyecup from Olympus is designed for use with the OM-D E-M1 Micro Four Thirds camera

RCA and LXR outputs and requires no power

this is a great servo even if you are on a budget

Tiffen 5.65 x 5.65" 85B Linear Polarizer Filter Cokin CH300-06 It has a 5/8" endColor Conversion 85B and Polarizer Warming Color Conversion Filter 5500 to 3200K Color Temp Decrease Helps to Eliminate Reflections and Glare Reduces Haze and Blue Cast in Landscapes Greater Color and Tonal Saturation ColorCore Technology The Tiffen 5. 65 x 5. 65" 85B Linear Polarizer Filter combines both an 85B color conversion filter with a linear polarizing filter to blend the effects of both filter types into a single, convenient solution. The 85B