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Filter, GND, graduated ND, Haida, Long Exposure, ND filter, Neutral Density Filter, PhotosphereSG, screw-on, slot-in, square -

What is Neutral Density filters? - Simple terms, it's a filter that's mount in front of lens (either screw on/slot into a holder) that blocks light transmitted into camera.  Think of it as shades/sunglasses  Why is it necessary? - Even by stopping down the aperture to F22 or smallest size that the lens is able to, it's sometimes not slow enough to achieve long exposure photography. Useful for waterfall, light trails, reflections, streaking clouds shots. - During daytime to use bright primes to maintain shallow depth of field without overexposure. - More info, check our blog here What is there...

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