The Fiddlehead / BackFocus Maxi Focus Pattern & Resolution Chart from DSC Labs is a chart designed for calibrating the focus on your video camera. Many video professionals consider calibration charts a necessity for optimizing camera performance and the production value of images. This chart has been designed with that philosophy in mind and works equally well in engineering or production work. This model has been designed with Stephen Lucas in Burbank. It features a decreasing radii spiral pattern that is designed to provide a visual pop at the precise point of optimum focus. This chart also offers corner resolution wedges up to 1600 TV LPPH and motion-picture framing lines for 2.35, 1.85, and 90% of 1.85.

Video Camera Focus Calibration Chart    Use with Engineering or Production Work    High Dynamic Range    Unique Spiral Radii Pattern    Corner Resolution Wedges    Motion-Picture Framing Lines

Use this practical and versatile chart to perform focus calibration and testing to achieve enhanced results with your video camera.

The chart includes a number of options that are equally useful in engineering, production, and post-production work.

Its high dynamic range is ideally suited for focus testing and calibration.

This chart's decreasing radii spiral pattern is designed to provide a visual pop at the point of optimum focus.

This model also feature corner resolution wedges and motion-picture framing lines.

Related Questions and Answers

Q: 1. What is the mount to put this on a tripod arm?

A: Yes. The following unit will mount and clip on to most pan arms available.

Q: 2. Would this work with this lens Fujinon LA16X8BRM-XB1A 2/3" 4K I'm having the hardest time finding the right lens for my ursa broadcast g2, I want to be able to control zoom and focus with the blackmagic zoom demand and focus demand

A: Yes, the Blackmagic Design Focus Demand is compatible with the Fujinon LA16X8BRM-XB1A 2/3" 4K Lens with Servo for Blackmagic URSA Broadcast when used on the Blackmagic Design URSA Broadcast G2 Camera.

Q: 3. Does this work on the new Blackmagic Design URSA Broadcast G2 Camera with the Fujinon XA20sx8.5BERM-K3 ENG Lens ?

A: Yes

Q: 4. Will this work with the BMPCC 4K? This would be amazing news!

A: Unfortunately it is not compatible with the Pocket Cinema 4K.

Q: 5. Do you have to supply your own USB-C to USB-C cable and rosette to pan arm adapter?

A: Blackmagic Design has confirmed that the Blackmagic Design Focus Demand and Zoom Demand, both come supplied with a USB-C to USB-C cable.

Q: 6. Will this item work with this kit: BH #BLURSAG2F16K as is or is another part required? Thanks.

A: The Blackmagic Design Focus Demand is compatible with the Blackmagic Design URSA Broadcast G2 Camera Kit with Fujinon 2/3" Mount LA16x8BRM-XB1A Lens and the cables are included.

Q: 7. I have an URSA Broadcast with EF mount and Canon CN-E 18-80mm. Will this work on this, now or in the future?

A: Unfortunately, Black Magic at this time does not have a tested list of lenses that work with the Zoom and Focus Demand.

Q: 8. Will this work with any MFT lens? or is there a list of MFT lenses that are compatible

A: Yes. It will work with any MFT lens with electronic focus through the mount.

Q: 9. Where can I find a lens compatibility list?

A: Unfortunately, at this time Black Magic has not created a tested list of B4 lenses for the Blackmagic Design Focus Demand. However, If you are working with the new 4k Studio cameras all the following MFT lenses would be supported. https://bit.ly/3xiwF9D

Q: 10. Will the Fujinon MCA-7 Mounting Clamp work with this?

A: Yes. The following system offers a ARRI/Hirth rosette system.