Reviews
Extremely good.
Anyone who enjoys photography knows what an ND filter is for. Since my focus is landscape photography, I can't avoid working with them. I ordered this one from K&F for my full-frame camera.
I was simply tired of always filling my backpack with ND filters of varying strengths. That's when the Nano-X Pro came in handy. To use it with multiple lenses, I ordered the 77mm size. I then work with step-up rings so I can also use it with smaller lenses.
Let's just say: The optical quality and the image quality blew me away! The workmanship is excellent and very well done. The lens thread is cut very cleanly.
The filter is adjustable from ND 2 to ND 32. The larger steps (f-stops) are marked on the ring and are easy to read. It can only be turned within the range of 1-5. It can't go any lower or higher. This way, you always know what your setting is thanks to the stop.
The 77 mm ring weighs 93 grams on my kitchen scale. Everything is solid and feels very good. Adjustment is smooth with slight resistance. That's how it should be.
The optical quality is absolutely flawless, and even in difficult lighting conditions, the filter performs excellently. I couldn't detect any chromatic aberration or color gradients to green, magenta, or anywhere else, even when pixel peeping. Even with backlit foliage or fir trees and dew reflections, the filter's quality is unsurpassed. Finally, an ND filter that does justice to my limited lenses and full-frame sensor. The frame thickness with the thread is only 9 mm. Without the thread, it's 0.63 mm. This means that the filter can also be used on wider-angle lenses without vignetting.
Thanks to the two screwed brass handles and the knurling of the ring, the filter can be adjusted very precisely.
Conclusion:
K&F Concept has delivered a top-notch filter here. What's the point of investing thousands in lenses if bad filters make your work difficult or lead to poor results? A clear 5 stars+ from me. I hope this helps with your purchasing decision. The price is also worth it, as you save at least four ND filters.
I was simply tired of always filling my backpack with ND filters of varying strengths. That's when the Nano-X Pro came in handy. To use it with multiple lenses, I ordered the 77mm size. I then work with step-up rings so I can also use it with smaller lenses.
Let's just say: The optical quality and the image quality blew me away! The workmanship is excellent and very well done. The lens thread is cut very cleanly.
The filter is adjustable from ND 2 to ND 32. The larger steps (f-stops) are marked on the ring and are easy to read. It can only be turned within the range of 1-5. It can't go any lower or higher. This way, you always know what your setting is thanks to the stop.
The 77 mm ring weighs 93 grams on my kitchen scale. Everything is solid and feels very good. Adjustment is smooth with slight resistance. That's how it should be.
The optical quality is absolutely flawless, and even in difficult lighting conditions, the filter performs excellently. I couldn't detect any chromatic aberration or color gradients to green, magenta, or anywhere else, even when pixel peeping. Even with backlit foliage or fir trees and dew reflections, the filter's quality is unsurpassed. Finally, an ND filter that does justice to my limited lenses and full-frame sensor. The frame thickness with the thread is only 9 mm. Without the thread, it's 0.63 mm. This means that the filter can also be used on wider-angle lenses without vignetting.
Thanks to the two screwed brass handles and the knurling of the ring, the filter can be adjusted very precisely.
Conclusion:
K&F Concept has delivered a top-notch filter here. What's the point of investing thousands in lenses if bad filters make your work difficult or lead to poor results? A clear 5 stars+ from me. I hope this helps with your purchasing decision. The price is also worth it, as you save at least four ND filters.
08/10/2025
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