This 50 x 50mm square, unmounted Baader 4nm f/2.0 Ultra-Highspeed O-III CMOS Filter from Alpine Astronomical is recommended for extremely fast optical systems from f/3.4 to 1.8, and is designed for the special filter requirements of fast optics like Celestron RASA astrographs. The filter features a Reflex-Blocker hard coating, which has been planoptically polished, and has Life-Coat sealed edges. It is equally suitable for modern CMOS sensors as well as for older CCD camera technologies.

Optimized for CMOS, Suitable for CCD    Reflex-Blocker Hard Coated    Life-Coat Sealed Coating Edges

• 4nm FWHM, recommended for extremely fast optical systems from f/3.4 to 1.8
• Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs
• Reflex-Blocker hard coated and planoptically polished with sealed coating edges (Life-Coat)
• Blackened edges all around, with filter-lead-side indicator in the form of a black frontside outer rim
• Optimized for modern CMOS cameras, but excellent for CCD camera technologies

Related Questions and Answers

Q: 1. What is the length of each section of truss? can the parts be reconfigured?

A: The manufacturer does not specify the lengths of each section. Truss can be configured in many ways, but this kit was designed around a specific purpose. Other configurations might require additional clamps, clips or other components.

Q: 2. Focus confirmation?

A: Yes, the ZEISS Milvus ZF.2 lenses are compatible with the focus confirmation feature, which is engaged when holding the shutter button half way down while focusing the lens.

Q: 3. Do the Zeiss Milvus lenses come with lens gears?

A: The ZEISS Milvus 50mm f/1.4 ZE Lens for Canon EF does not include lens gears. This is what is included: Front and Rear Lens Caps Lens Hood Limited 2-Year Warranty

Q: 4. Whats the difference with the Zeiss 50mm f/2.0 Makro-Planar ZE Macro?

A: The Milvus 1.4/50 ZE is designed for general purpose still and video applications, whereas the Milvus 2/50M ZE is optimized for close-focus applications and offers macro magnifications of 1:2 (half life size).

Q: 5. Can more trust sections be added to make the structure larger?

A: One could add Milos QuickTruss Ultra 12" pieces to create alternate forms and structures using the pieces of the Milos QuickTruss ULTRA Display Square Truss Kit (16.4 x 16.4') (B&H# MIBOOTH5X5U). Whether or not your particular design will be safe and stable will depend on the decisions that you make regarding any modifications. Milos QuickTruss Ultra 12" pieces are compatible with the pieces of this kit.

Q: 6. Will this lens work with Nikon Z mount with FTZ adapter?

A: All manual focus assist and focus confirmation are available when connecting ZEISS Milvus 50mm f/1.4 ZF.2 Lens for Nikon F to a Nikon Z mount body using the Nikon FTZ II adapter. You will also need to locked the aperture ring and control F- stops through the camera.

Q: 7. Is this manual aperture

A: No, the aperture on the ZEISS Milvus 50mm f/1.4 ZE Lens for Canon EF is controlled from the Canon camera body.

Q: 8. Do I need to buy corners and connectors separately or are they included?

A: This is a full kit with the assembly materials.

Q: 9. is it a macro lens?

A: The Milvus 1.4/50 ZF.2 has a magnification ratio of 1:6.7, whereas most macro lenses are designated at 1:2 or 1:1 (half life size and actual life size respectively). For macro use, we recommend the Milvus 2/50 ZF.2 - which can be found at: https://www.bhphotovideo.com/c/product/1185213-REG/zeiss_2096_558_milvus_2_50m_zf_2_lens.html

Q: 10. What it the max hanging weight limit on this

A: The Milos QuickTruss ULTRA Display Square Truss Kit (13.0 x 13.0') technically, if the system was being used indoors, on level ground cable of supporting the loads being applied, then the system could support as much as 2,900 Lbs. per 4m side, for a combined load of 11,600 Lbs. on the total system. This is based on a uniformly distributed load across each of the 4m spans of truss (so things like cables, drapes, etc.). If a large point load is preferred then the user could apply a single point load of 2,500 Lbs. anywhere on each side (so 10,000 Lbs. total if that load was applied to each of the 4 sides). This also assumes that the loads can be applied in such a way as to not damage the members of the truss (suitable clamps, slings, etc.). Outside use there are way more variables and best is to contact the lighting department in chat.