The 58mm Magnetic Lens Cap from Freewell is designed to protect the filter and lens against dust, moisture, and scratches. This lens cap is made based on the size of Freewell's Magnetic Filter System. For neutral density filter users, if your filter size is 58mm, use the 58mm lens cap.

Protects Against Dirt and Scratches

Lens cap is made based on the size of Freewell's Magnetic Filter System

For neutral density filter users, if your filter size is 58mm, use the 58mm lens cap

Related Questions and Answers

Q: 1. Will this lens work on Canon XC10

A: This lens will be compatible with the Canon XC10.

Q: 2. Can I use this on a vx2100?

A: Yeah no worries it fits perfectly its actually such a nice piece of glass and you guarantee will be so happy with this product But remember its a super fishy bulbs so keep it away from the gutters because it will get some pretty gnarly damage if you want to be a little rockstar and put the camera is closer than I did

Q: 3. Does this lens work for the Canon XHA1 HDV?

A: The Canon XH-A1s 3CCD HDV Camcorder uses a 72mm filter thread, so the Opteka 58mm 0.3X HD Ultra Fisheye Lens Adapter would not be compatible. You should try the Opteka 72mm 0.3X HD Ultra Fisheye Lens Adapter (OPTSC72FE) instead. See: https://www.bhphotovideo.com/c/product/673947-REG/Opteka_OPTSC72FE_72mm_0_3X_HD_Ultra.html

Q: 4. Will this fit a Canon gl2?

A: Yes, you will need to remove the lens hood on the Canon GL2.

Q: 5. Can this be used with Leica m mount camera with an adaptor?

A: The FotodioX Nikon F Pro Lens Adapter for Leica M-Mount Cameras, B&H # FOPLMANF can be used to mount this Nikon F mount lens to a Leica M series body. https://bhpho.to/30tEbxJ

Q: 6. I just bought this lens and I tried it with my D500 and D700 on aperture priority mode. I found out that it only works on full aperture of F1.4 otherwise the shutter will not release no matter what adjustments I do. Is this normal?? Whereas I tried my Micro-Nikkor 55mm F2.8, this one works with any aperture I set it on. Am I missing some adjustments?? I need some help and I appreciate it. thanks.

A: For these types of older lenses, you have to put the aperture on F/16 then control the aperture through the camera body.

Q: 7. Will this fisheye lens fit with a Canon XF100 HD Professional Camcorder? If it does I'm buying both right away

A: The Canon XF100 has a 58mm filter thread. This should work well with that camcorder.

Q: 8. Can I use a 52mm to 58mm step up ring to use this lens on a Lumix lens with a 52mm thread?

A: Yes you can.

Q: 9. What does this look like compared to the Cavision 0.35 fisheye?

A: The Cavision .35x Wide-Angle Fisheye Adapter Lens will provide a slighter wider image with .35x magnification compared to the Opteka 58mm 0.3X HD Ultra Fisheye Lens Adapter.

Q: 10. will this work on a panasonic hc-wxf991?

A: The Opteka 58mm 0.3X HD Ultra Fisheye Lens Adapter will not work with the 49mm threading of the Panasonic HC-WXF991K 4K Ultra HD Camcorder with Twin Camera. A step up ring from 49mm to 58mm would be required to fit the Fish eye lens to the camcorder body.