The Backfocus Expanded Senior Focus Pattern 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 features an oversized and expanded bow-tie star with (56) crisp and sharp wedges for setting critical focus. It also offers an exceedingly high dynamic range with brilliant white and dense black shades.

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

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.

Related Questions and Answers

Q: 1. is video record limited to 30 minutes per shot?

A: No

Q: 2. does camera come with download cable?

A: Yes it comes with a USB cable that allows downloading to a PC, or with adapter to a phone or tablet.

Q: 3. When will Capture One support the raw files of this camera? It only supports the first edition as of today... :(

A: We do not have any dates for this. Please contact Capture One directly.

Q: 4. 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: 5. What does "FULL" notice on monitor screen refer to? It seems to come and go.

A: Saw this on the Sony page. "FULL also indicates the full range of focus for the lens. You can switch this on the left side of the lens to limit the range to 3 meters to infinity so the camera focus is quicker for distance shots."

Q: 6. Does it focus during video, in 4k and slow motion, which bitrate it record 4k and slow motion!

A: It can not autofocus during video recording Video bitrate at 4K is 100Mbps In slow motion it is 50Mbps

Q: 7. Does it have a mounting system comparable to go pro?

A: It does not. However it does have a 1/4"-20 thread underneath it which is a far more universal system for mounting the camera.

Q: 8. When is the 5 out?

A: Unfortunately we are unable to comment on future releases.

Q: 9. Which memory card type compatible with Sony DSC-RX100 VA UHS-II V60 SDXC Memory Card OR UHS-I V30 SDXC Memory Card?

A: You will able to use any SDXC UHS-II V60 and SDXC UHS-I V30.

Q: 10. I have not been able to figure out a way to mass delete pictures - I send them to an external hard drive and then want to remove them from the camera. I can do them one at a time but is there a way to do them all at once?

A: If you format your memory card in the camera, it would erase all data (including protected images). That would be the quickest way to erase all the images on your card. To do this, you would go into the MENU, and in the Setup section, you would choose Format.