The Backfocus Junior Focus Pattern Chart with Resolution 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 features an exceedingly high dynamic range with brilliant white and dense black shades. Unique bow-tie stars and demi-stars are also included to help set critical center and edge focus parameters. It also offers corner resolution wedges up to 1600 TV LPPH (20MHz NTSC) for checking camera frequency response and lens quality. Moreover, a frame & focus chart is included for projector alignment

Video Camera Focus Calibration Chart    Use with Engineering or Production Work    High Dynamic Range    Unique Star Shapes    Facilitates Center & Edge Focus    Corner Resolution Wedges    Frame & Focus Chart

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 features star shapes to help set critical center and edge focus parameters.

This model includes special corner resolution wedges, as well as a frame & focus chart.

Related Questions and Answers

Q: 1. Is there a way to mount the grip onto a horizontal nato rail? How? All seems to require vertical nato rail

A: Yes, the rosette on the DJI Focus Pro Grip can be loosened and rotated in order to mount on a horizontal NATO rail.

Q: 2. Can I use this with me GH6 to control my Micro Four Thirds lenses? Specifically, the Summilux lenses?

A: No, the Blackmagic Focus Demand is only compatible with Blackmagic Design Cameras and compatible lenses. Leica Summilux lenses do not provide electronic communication between the lens and the camera body.

Q: 3. Will the Fujinon MCA-7 Mounting Clamp work with this?

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

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. 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: 6. Will this work with the new Black Magic Design Micro Studio Camera 4K G2?

A: Yes, the Blackmagic Design Focus Demand and Zoom Demand ( With supported lenses) support the Black Magic Design Micro Studio Camera 4K G2. The connection is USB-C.

Q: 7. Is it possible to udate firmware? How?

A: The Blackmagic Design Focus Demand cannot update firmware. However, make sure to update your Blackmagic Design camera's firmware. To do so, visit the Blackmagic Design Support Page.

Q: 8. Is there an iris demand?

A: No, however you can configure the dial on the Zoom Demand to control the Iris.

Q: 9. What is the maximum size memory card that can be used? B&H accessory recommendations only show up to 128GB. Is that the max?

A: The cameras has been tested to perform reliability with 128GB micro SDXC memory cards.

Q: 10. 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.