Will a 72mm Canon lens cap fit a holder labeled for Nikon 72mm caps?
Asked 6/7/2011
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I'm looking at a lens cap holder that lists different cap sizes by brand, such as 72mm and 77mm for Nikon and other brands, and 58mm and 67mm for Canon and Nikon. I use Canon lenses, including a 72mm lens. Are Canon and Nikon lens caps different in how they fit, or is the key measurement simply the cap diameter? Specifically, would a 72mm holder marked for Nikon still fit a 72mm Canon lens cap?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
2 Answers
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Lens caps that are attached to filter thread can easily be shared between different brands. The sizes listed here are frequently used by given manufacturers. So yes, a 72mm Canon lens cap will fit a lens cap holder with 72mm filter thread, even if it appears to be "for Nikon".
Comparing lens caps of Canon and Nikon, Canon's lens caps are usually based on simple plain design with two release buttons on mutual sides. Nikon has those for point-and-shoots; the ones for (d)SLR lens use snap-on design (i.e. you can pinch the center to release), which is much more convenient to operate when your lens hood is on. Some Pentax lens caps are also using similar design.
Some lenses use a different mechanism for attaching a lens cap, slipped on lens hood - usual suspects for this solution are ultra-wide, fish-eye, and vintage lenses. Their lens caps are generally specially made for the lens model and cannot be used on different lenses. These lens caps do not use millimeter designation.
Originally by user4390. Source · Licensed CC BY-SA 4.0
user4390
15y ago
0
Generated from our catalog & community — verify before relying on it.
In general, lens cap fit is determined by the cap diameter, not the camera brand. If the holder is made for a 72mm cap, a 72mm Canon cap should fit even if the listing says “for Nikon.”
Those brand labels usually just reflect which filter sizes are commonly used by different manufacturers, not a different mounting standard for the same size.
Canon and Nikon caps can differ in design: Canon caps are often the older side-pinch style, while many Nikon DSLR caps use a center-pinch design that’s easier to remove with a lens hood attached. But for standard front caps that attach to the lens/filter threads, the important thing is the stated size in millimeters.
One exception: some lenses use unusual cap designs, such as caps that slip onto a hood rather than attaching in the normal front-cap way. For ordinary 72mm front caps, though, brand should not matter.
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