The FotodioX WonderPana 8.0" Holder Bracket is a two-piece assembly designed to be used in combination with a FotodioX WonderPana FreeArc XL Core Unit or a WonderPana XL Aluminum Step-Up Ring. Attaching the WonderPana 8.0" Holder Bracket to a WonderPana FreeArc XL Core Unit or a WonderPana XL Aluminum Step-Up Ring can allow for the convenient use of two 2.0mm-thick filters measuring 7.9" wide, or one 2.0mm-thick filter measuring 7.9" wide along with one FotodioX 186mm round filter behind it.

Use of this holder bracket is easily accomplished by separately attaching its two assembly pieces to opposite sides of a WonderPana FreeArc XL Core Unit or a WonderPana XL Aluminum Step-Up Ring using six of the eight included brass short-screws. Pre-tapped threaded inserts along the edge of a WonderPana XL Aluminum Step-Up Ring accommodate those screws and ensure correct positioning of the two assembly pieces so that they are positioned parallel to each other and can hold a 7.9"-wide filter between them. The combined WonderPana XL Aluminum Step-Up Ring, and WonderPana 8.0" Holder Bracket can then be attached to a compatible lens.

For WonderPana FreeArc XL Core Units that consist of a rear lens collar and a front filter holder, pre-tapped threaded inserts along the edge of the front filter holder accommodate six of the eight brass short-screws for correct positioning of the WonderPana 8.0" Holder Bracket's two assembly pieces. Once the holder bracket and a front filter holder are combined, and the separate collar has been slid over the rear of a compatible lens until it has achieved a secure fit, the front filter holder with the attached holder bracket can be screwed onto the front of the installed rear lens collar.

After being fitted onto a compatible lens, the bearing design of the WonderPana FreeArc XL Core Unit allows a WonderPana 8.0" Holder Bracket to be rotated 360°. This permits the use of graduated neutral density and other filters that are enhanced by varied positioning.

The FotodioX WonderPana 8.0" Holder Bracket provides two pairs of filter slots, a configuration that accommodates two compatible rectangular filters. For each rectangular filter that is placed within one of the holder bracket's slots, its position is secured by integrated guides within each slot. These guides apply pressure along both sides of a filter that is sufficient to hold it in place, but permits movement of that filter. This can complement the use of graduated filters whose effect can be adjusted to better suit changing lighting conditions or creative demands by sliding them up or down within a filter slot.

The WonderPana 8.0" Holder Bracket features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black anodized finish for durability. A rigid pouch is included for storage and transport.

For Sigma 12-24mm f/4 DG HSM Art    WonderPana FreeArc XL Core Unit    WonderPana 8.0" Holder Bracket    Holds 7.9"-Wide Filters    Holds Filters 2.0mm-Thick    Holds up to 2 Rectangular Filters    Up to 1 Rectangular and 1 Round Filter    Rotates 360° with FreeArc XL Systems    Anodized Aluminum-Alloy Construction    186mm Center-Pinch Snap-On Lens Cap

• When used with a FotodioX WonderPana FreeArc XL Core Unit or a WonderPana XL Aluminum Step-Up Ring, allows for the convenient use of two filters measuring 7.9" wide, or one filter measuring 7.9" wide along with one FotodioX 186mm round filter installed on a WonderPana FreeArc XL Core Unit or WonderPana XL Aluminum Step-Up Ring
• Provides two pairs of filter slots, a configuration that accommodates up to two 2.0mm-thick rectangular filters
• Allows up to two compatible rectangular filters to be rotated 360° when used with a FotodioX WonderPana FreeArc XL Core Unit
• Integrated guides within each filter slot apply pressure along both sides of a filter that is sufficient to hold it in place, but permits movement of that filter, complementing the use of graduated filters whose effect can be adjusted to better suit changing lighting conditions or creative demands by sliding them up or down within a filter slot
• Lightweight, aluminum-alloy construction with a corrosion-resistant, black anodized finish for durability
• Microfiber cleaning cloth included, plus a rigid pouch for storage and transport

Related Questions and Answers

Q: 1. Is this lens compatible with a Nikon D3200?

A: Yes, this lens is compatible with the Nikon D3200.

Q: 2. Does this lens fit on the Canon t6s? If so, would it make sense to pair these two up since the T6S is a crop sensor?

A: I use it on Canon EOS Mark III and it works well, I wouldn't know about other models, but I'm sure B&H will know.

Q: 3. Does this work on the a63/6500?

A: This will work on the Sony s6300 and a6500 camera's.

Q: 4. Can I layer gels?

A: Yes, you can use multiple gels.

Q: 5. Can i use this with a speedboster ultra on a6500? If so want will the field of view and fstop be?

A: The field of view will increase to a 25mm lens and a 1.8 aperture.

Q: 6. Would this work with a FTZ adapter on a Z-mount body?

A: Yes, this Sigma 24mm f/1.4 DG HSM Art Lens for Nikon F can work with a Nikon FTZ adapter for use with a Nikon Z mount body.

Q: 7. Can both aperture and focus be set manually without any camera or on a dumb camera?

A: The focus on the Sigma 24mm f/1.4 DG HSM Art Lens for Canon EF can be operated manually even when not attached to a camera but the aperture can only be controlled through through a compatible camera.

Q: 8. Is the barrel of this lens metal or plastic?

A: the barrel appears to be made pf what they call thermally stable composite (plastic). The lens is very solid though and has an excellent build feeling.

Q: 9. Is the focus mechanically coupled or is it focus by wire?

A: It is mechanically coupled! At least my 35, 50, and 85 Art lenses for E-mount are. They're truly amazing, the only FE-mount lenses that I know of that have native-quality AF and true, mechanical MF.

Q: 10. I have a Nikon F6. Electromagnetic lenses are not compatible with the F6. Does this lens use an Electromagnetic aperture like the Nikon E series lenses?

A: This lens does not use an electromagnetic diaphragm like the Nikon E series lenses.