The Bosch CS-Mount 1.8-3mm 5MP Varifocal Lensis designed to provide improved image resolution and sharpness and good depth of field. It can efficiently avoid the diffraction issues which can occur with megapixel sensors. This lens offers long and reliable operation with almost no maintenance.

Compact and rugged, the Varifocal SR Lens is designed for 1/2.5" format sensors and features SR-iris control. This lens comes with a standard CS mount and the iris control connection is a 4-pin standard plug that fits directly into the camera's iris output. The lens delivers good optical quality thanks to its megapixel resolution, contrast reproduction, and coating.

The mechanical construction is designed to withstand both frequent iris control operations and the environmental stress of security installations. This lens is a flexible, high-quality, reliable lens that will complement an HD camera's performance.

For 1/2.5" Format Sensors    SR Megapixel Optical Resolution    CS-Mount    SR-Iris    High-Quality Optics    Reliable, Robust Construction    Avoids Diffraction

Related Questions and Answers

Q: 1. Will this have a fisheye distortion at it's widest angle zoom? need to replace a gopro with something that doesn't fisheye and was looking at one of the marshall cameras and this lens.

A: This lens is at the border of starting to get distortion.

Q: 2. anyone tried this lens with a gh4 + metabones m43 to EF mount?

A: We have used it in the SuperStore and it will be fully compatible with the GH4 and a Micro Four Thirds to Canon EF adapter. The lens does not autofocus so it would be a manual focus lens regardless of the adapter.

Q: 3. Is this autofocus (on Sony A6000) or manual?

A: It's a manual focus lens.

Q: 4. What's the procedure for using this lens with the Fujifilm X-E1? The lens instructions are inadequate.

A: This is a manual focus lens, so all focus and aperture settings will need to be done by the user.

Q: 5. No weather sealing !?!

A: The Viltrox 50mm f/1.8 Lens for Sony E-Mount is not weather sealed.

Q: 6. are you able to mount filters on this lens? if so what mm filter would be used?

A: The hood is not removable. The only way to use a filter is to use a system that attaches to the outside of the lens.

Q: 7. I'm considering this lens for my GH4. I have the Metabones Canon EF to M43 Speedbooster adaptor... shouldn't I buy the EF version of this lens, rather than the M43 version, so I can benefit from the additional stop of light, and wider focal length?

A: I looked at that same option for the GH4 (I eventually decided on Fuji XT-1 and X100T) and I saw some great reviews of the EF version on the M43. Again, I did not go the GH4 route but everything I read said that is the way to go instead of the M43 version. Faster and wider! There is a YouTube video out there using that very combination in a video setting. I do have the Rokinon 12mm for the Fuji and have used the Rokinon 14mm Cine version on my Canon full frames for a couple of years and love the Rok's!!! I have a cheaper, but well built adapter for EF to Fuji by Fotodiox. It has IRIS control and works well with other Canon lenses but have not tried it with the Rok 14. Will give it a dance one of these days!

Q: 8. Would this work on a Canon EOS500D? If so, what would I need to do in-camera to make it work?

A: Yes this lens will be fully compatible with your camera and won't require anything else. Just keep in mind that it will be manual focus only.

Q: 9. Does it have stabilizer?

A: No, the Viltrox 50mm f/1.8 does not have stabilization.

Q: 10. Can i use it with Nikon D5300 ?

A: Yes. You certainly can. You will need to focus manually but that is pretty much a requirement for such a wide angle lens even with an autofocus compatible lens.