The Mount-It! MI-21010 Mounting Rail is a 11" wide mounting rail for use with Mount-It! MI-20100 ceiling mounts, MI-20200 wall mounts, and MI-20600 floor-to-ceiling mounts, along with their compatible arms and accessories.

For use with MI-20100 Pro Series Ceiling Mounts, MI-20200 Pro Series Wall Mounts, and MI-20600 Pro Series Floor-to-Ceiling Mounts

Related Questions and Answers

Q: 1. How long is it?

A: Here are some specs on the following item WEIGHT 440g PAYLOAD 6kg LENGTH 11 inches MATERIALS Aluminium alloy & stainless steel

Q: 2. Has anyone tried this with a ronin-m and dslr?

A: Not to my knowledge the Pro mount does not have large enough suction cups.

Q: 3. what is the difference between 4063 and 4064 models??

A: The difference between the SmallRig Compact V-Mount Battery Mounting System and the SmallRig Advanced V-Mount Battery Mounting System is the Advanced comes with a chest pad assembly.

Q: 4. What is the max f stop of the lens at 200mm and 280mm?

A: The Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4 Lens operates at f/3.5 when set to 200mm (it goes up to f/3.6 at the marked 210mm point on the zoom ring). And of course f/4 at 280mm at the end of both focal and aperture ranges.

Q: 5. Is this v mount only for small rig batteries ?

A: Smallrig has yet to release this information. The SmallRig Compact V-Mount Battery Mounting System is specifically designed for the height of the SmallRig Mini-V Mount Batteries. V-Mount is a standard mount, so long as the v-mount battery in question does not exceed the height and length of the Small Rig Mini V-Mount Batteries then it should work.

Q: 6. Is this compatible with the Canon r8?

A: Yes, the SmallRig Advanced V-Mount Battery Mounting System is compatible with the Canon EOS R8 Mirrorless Camera.

Q: 7. Will RRS foot replacement for Nikon work on 90-280 lens ?

A: No, it would not. Unfortunately, Really Right Stuff does not list a dedicated lens plate designed for use with the Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4 Lens, and does not list cross-compatibility with Nikon replacement feet.

Q: 8. Will this work on fiberglass?

A: If the fiberglass is perfectly smooth and clean and free of debris it should work yes. You should always back up with a safety tethering cable.

Q: 9. What is work and be compatible on a Nikon Z9 camera?

A: the SmallRig Advanced V-Mount Battery Mounting System will "work," with the Nikon Z9, however there is no external power support currently for the camera and it would only be good for powering external accessories and not the camera.

Q: 10. How to remove tripod collar? Knob won't turn per manual?

A: The tripod collar on the Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4 Lens is non-removable.