This 4" Filter Holder with 77mm Adapter from Century Precision Optics is compatible with Schneider's 4mm thick 4 x 4" and 4 x 5.65" filters. Because of the size of the holder, you can use many filters to be creative in your photographic endeavors.

The included 77mm wide-angle adapter ring enables the holder to attach to most lenses. However, step rings can be utilized to accommodate other sizes. The holder has two available slots to hold the filters and rotates 360°, which enables the use of polarizers and neutral density filters.

Compatible with 4" Schneider Filters    Full 360° Rotation    Accommodates Two Filters at a Time    Included 77mm Adapter

Compatible with Schneider 4" filters

Full 360° rotation enables the use of polarizing and neutral density filters

Accommodates 2 filters at the same time

Includes a 77mm wide-angle adapter for easy connection to threaded lenses

Related Questions and Answers

Q: 1. Will I still get 15mm wide angle when used on a full frame Sony A7riv?

A: Yes Venus Optics Laowa 15mm f/4 Macro Lens for Sony E is a full frame lens so the it will be 15mm on the Sony A7riv.

Q: 2. How many mm of shift/rise would you be able to get on an APS-C (Sony a6300)?

A: The shift is only compatible on crop frame cameras such as the A6300 and the lens offers +/- 6mm of vertical shift which can help correct for perspective when shooting objects such as buildings. Using the shift on a full frame would result in image vignetting.

Q: 3. Would this be the best macro option for the Sony a6500?

A: If you are looking for a wide angle macro lens for use on the Sony E-mount lens mount, then yes, the Venus Optics Laowa 15mm f/4 Macro Lens for Sony E would be my recommendation as the best option for your usage needs on the Sony Alpha a6500 Mirrorless Digital Camera.

Q: 4. Is this lens prone to let dust come on the sensor? I ask this because of the shift mecanism. Is the lens body well insulated?

A: The Venus Optics Laowa 15mm f/4 Macro Lens for Leica L It does not have the issue as zoom lenses have with dust. But it is not listed as weather sealed, which is pretty common on shift lenses.

Q: 5. could this lens be useful for landscape photography?

A: This lens is not recommended for landscape photography, it is excellent for macro photography with clear background, this company has a 15 mm f2 lens which is good and recommended for landscape photography

Q: 6. Could this lens work for real estate photography with a R7?

A: As the Venus Optics Laowa 10mm f/4 Cookie Lens for Canon RF (Black) is a rectilinear lens and it has super-low distortion, while it is a super-wide angle lens, yes, it should be compatible for your real estate usage needs.

Q: 7. How many degrees of rotation on the focus ring? Also is aperture ring stepless?

A: There is approx 100 degrees of rotation on the focus ring, and the aperture ring is stepless.

Q: 8. Will this lens work with the Nikon Z6 ?

A: Not natively, you would need to adapt this to the Z mount with a lens adapter like the Nikon FTZ Mount Adapter (https://bhpho.to/2PwU1lm)

Q: 9. hard to tell from the pictures, is the front of the lens flat so you can mount uv/vnd filters, etc?

A: Yes, you can put a UV in front of the lens with no problem. Maybe you have a bit of vignette depending on the thickness of the filter.

Q: 10. Will this lens work on medium format (Hasselblad X1D2...with and adapter of course) with reasonably little vignetting? Not expecting MF detail bit curious as a fun lens with character. I'm a big 9mm Laowa fan.

A: Hi--there would be obvious vignetting using a wide-angle lens like this on a camera with a larger than full-frame sensor like the Hasselblad X1D2.