The black Atlas Sound CJ-46 is a wide dispersion reflex sound horn offering increased audio coverage and penetration for indoor and outdoor applications such as rallies, sports games, terminals, and manufacturing facilities. It easily mounts to an Atlas Sound PD or SD Series compression driver (available separately) via the standard 1-3/8"-18 male threads, and features a heavy-duty steel mounting bracket. The 22 x 17" bell yields a 120 x 60° dispersion range, and can be rotated to change the dispersion axis. Constructed of non-resonant fiberglass with a spun aluminum re-entrant section, it boasts an IP45 rating for reliable protection against dust and moisture.

Easily Mounts to a Compression Driver    Increases Audio Coverage & Penetration    120 x 60° Dispersion    Rotatable Dispersion Axis    IP45 Rating    Non-Resonant Fiberglass Construction    Spun Aluminum Re-Entrant Section    Heavy-Duty Steel Mounting Bracket    Standard 1-3/8"-18 Male Threads

Provides enhanced audio penetration through adverse ambient sound levels and

coverage over long distances

Easily mounts to an Atlas PD or SD Series compression driver (available separately) via standard 1-3/8"-18 male threads

Prime sound dispersion axis can be changed from horizontal to vertical with a 90° bell rotation and four 1/4" screws

Environment-resistant construction for outdoor/indoor applications

Heavy-duty positive locking steel mounting bracket for secure positioning

Manufactured of non-resonant fiberglass with a spun aluminum re-entrant section

Related Questions and Answers

Q: 1. how much space there is between the REAR 25.5mm threads and the outside of the mount? I would like to use my existing AP filters which would require putting an adapter on the rear threads.

A: Please direct your inquiry to Rokinon; RokinonDistributed By - ELITE BRANDS INC.Tel: (800) 441-1100 Website http://www.rokinon.com/ Email support@rokinon.com

Q: 2. Will this work with an extender such as my KENKO C-AF1 1.5X DG?

A: I would not recommend this approach. Further, I would advise that the Canon 75-300mm lens may be a more desirable option, as it is more affordable, has autofocus, a faster aperture, and can be used with a teleconverter: http://bhpho.to/1nuVUxF

Q: 3. Glass or plastic lens elements? If glass, any chance they are coated?

A: The lens is made of glass and is coated.

Q: 4. I have a Canon M50 and mount this lens on it with the shooting set to M, but no response in shooting, why?

A: You would need to set the camera in the Menu in the Custom Functions section to shoot without a lens. The function is called Release shutter w/o lens, it needs to be set to enable.

Q: 5. Can I use this lense on a D3300?

A: Yes, the Rokinon Reflex 300mm f/6.3 UMC CS Lens for Nikon F would connect to the Nikon D3300 DSLR camera. Do note that this is a fully manual lens, and you would have to shoot with the camera in Manual mode. The lens will not work on the D3300 in the automatic mode settings.

Q: 6. Are there front filter threads , and if so so what size are they? Images appear to show threading, but it could be non-standard filter threads.

A: Yes you are correct, those are front filter threads. The front thread diameter is a standard 58mm size, so any lens caps or filters made for 58mm diameters will be compatible.

Q: 7. Is this lenses all manual (focus and iris)? Can it be used with BlackMagic 2.5k mount MFT?

A: The BlackMagic Cinema MFT mount camera requires use of manual focus and manually adjustable aperture lenses. The silver Rokinon Reflex 300mm f/6.3 ED UMC CS Lens will mount on the camera but will not allow you to adjust the aperture of the lens as this lens has a fixed aperture of f6.3. The benefit of the camera using the MFT mount is the availability of adapters which will allow one to mount various manual focus/manual aperture lenses to the camera.

Q: 8. Will this lens work with the Panasonic Lumix DMC-GH4?

A: Yes, this lens great for GH3,4 use M 3/4 lens mount !

Q: 9. Is this lenses all manual (focus and iris)? Can it be used with BlackMagic 2.5k mount MFT?

A: The BlackMagic Cinema MFT mount camera requires use of manual focus and manually adjustable aperture lenses. The black Rokinon Reflex 300mm f/6.3 ED UMC CS Lens will mount on the camera but will not allow you to adjust the aperture of the lens as this lens has a fixed aperture of f6.3. The benefit of the camera using the MFT mount is the availability of adapters which will allow one to mount various manual focus/manual aperture lenses to the camera.

Q: 10. Is this lenses all manual (focus and iris)? Can it be used with BlackMagic 2.5k mount MFT?

A: The BlackMagic Cinema MFT mount camera requires use of manual focus and manually adjustable aperture lenses. The silver Samyang Reflex 300mm f/6.3 ED UMC CS Lens will mount on the camera but will not allow you to adjust the aperture of the lens as this lens has a fixed aperture of f6.3. The benefit of the camera using the MFT mount is the availability of adapters which will allow one to mount various manual focus/manual aperture lenses to the camera.