About this item

• 【Variable ND Filter】K&F CONCEPT ND2-400 Filter reduce the light from 1 to 9 f-stops.
• 【Material】Made by Completed Professional Optical Glasses, with double-side multilayer blue coating to help repel water.
• 【Exposure Reduction】ND filters are good for rivers, waterfalls, and other bodies of water, especially under bright light. The longer exposure times allows for smoother water movements, shallower depth of field, and blurred motion.
• 【Ultra-Slim】The filter frame is only 7.3mm, and super lightweight CNC ring used in construction prevents adverse effect
• 【Note】 Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol.

Description:

• Reduces the amount of light reaching the lens without affecting the color.
• The K&F ND Filter Multi Resistance Coating (MRC) helping repel water, dust & grease, while also preventing ghosting.
• Applies slow shutter speed under strong sunlight exposure.
• Glass mounted with high pressure press technology.
• Made of high quality optical glass by K&F Concept technology.
• Wider outer optic to help reduce vignetting at wide angles.
• Extinction paint seiko manufacturing,To achieve the testing sights on military standard.