Sunwayfoto MFR-150S Macro Focusing Rail with Screw-Knob Clamp Compatible with Arca-Swiss On Camera Flashes The lens is lightweight and

The lens is lightweight and durable

Provides additional benefits of correction for Ultraviolet (UV) light which can register on film and videotape as a bluish cast and can obscure distant details

Memory Function: As long as 2 seconds after setting parameters

9mm to reduce light falloff

Portable Solid Frame Scrim Flag with White Silk 30*36" (70x90cm) Foldable

Sunwayfoto MFR-150S Macro Focusing Rail with Screw-Knob Clamp Compatible with Arca-Swiss On Camera Flashes The lens is lightweight andSunwayfoto MFR 150S Macro Focusing Rail with Screw Knob Clamp Compatible with Arca Swiss Specifications Model: MFR 150S Length: 217mm Width: 53mm Thickness: 33mm Net Weight: 279g Clamp Type: Screw Knob Max load7kg (varies with angle of load) Adjustment range: Lead screw: 4. 2" (106 mm),Total Adjustment Range: 8. 7" (220 mm),Stage Travel per Revolution: 0. 05" (0. 125 mm) Using one MFR 150S for single axis (fore aft) precise adjustment. Using two