67mm Empty Magnetic Base Ring (Works ONLY with K&F Concept Magnetic Filters / Quick Swap System)
SKU: KF05.288
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Hello! If you use the magnetic UV filter alone, or use the magnetic adapter ring with CPL filter together, you can use a normal lens hood on it. Does not require a larger thread. If you use the magnetic adapter ring with ND1000 filter together, you cannot use another lens hood on it.
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No, the ND filter from the magnetic set is an ND1000 (extends the shutter speed by a factor of 1000). However, it would also be technically difficult to construct a magnetic, yet adjustable, ND filter. I hope that K&F will bring more filters for the system onto the market over time
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Use the set with 21mm = idem 17mm, medium format, Hasselblad. Without problems. Quality comparable to far more expensive products. Attention! Do not stack filters with such focal lengths
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At the moment I haven't found a way to purchase the magnetic adapter ring individually. But it is to be hoped that K&F will expand the system over time
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The adapter ring has the usual thread and can be easily screwed onto intermediate rings. However, vignetting can occur with wide-angle lenses.
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Hello, unfortunately there is no magnetic ring with an outer diameter of 40mm.
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The filters themselves and the magnetic ring have no threads. However, other non-magnetic filters can be used between the lens and the magnetic ring.