Instruction This Compact Ruler Allows You To Determine If Your Lens Is Auto-Focusing Accurately As It Should. It Is An Essential Tool That Is Particularly Useful When Shooting With A Shallow Depth Of Field, Where Focusing Should Ideally Be ''Spot On''. You Can Use This Ruler To Determine How ''Off'' The Focusing Is For A Particular Camera / Lens Combination And, On Supported Cameras, Adjust The Camera'S Auto-Focus Settings To Resolve This. On Nikon Cameras, This Feature Is Known As ''Af Fine Tune''. On Canon And Sony Cameras, It'S Known As ''Af Micro Adjustment''. Please Refer To Your Camera'S Instructions Manual To See If This Feature Is Present. Size:19*12.3Cm Package Included: Lens Focus Calibration Card X2 Usage 1. Set Up The Ruler. 2. Ensure Both The Camera And Ruler Are Level, Exactly Perpendicular And At The Same Height. It Is Best To Mount The Camera On A Tripod To Do This. 3. Set The Lens To The Widest Aperture To Obtain The Shallowest Depth Of Field. This Will Make It Easier To Determine If Your Lens Is Focusing Accurately. Auto-Focus On The Qr-Code At The Center Of The Ruler, Then Take A Photo. 4. Inspect The Photo To See If Focusing Is Accurate. It Is Recommended That You Do This On A Computer Since You Will Be Able To See Better On A Bigger Screen. If Focusing Is Accurate, The '0' On The Ruler Should Be The Sharpest Point On The Image And The Other Numbers Get Blurrier As You Move Away From The 0. 5. If Any Number Above The 0 Is Clearer, Then Your Lens Is Backfocusing. Otherwise, If Any Number Below The 0 Is Clearer, Then Your Lens Is Front Focusing. In Either Case, You Would Have To Set The Auto-Focus Micro-Adjustment Parameters On Your Camera Body Until You Are Able To Obtain A Picture That Is Sharpest At The '0' On The Ruler.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What are the dimensions of the DSLRKIT Lens Focus Calibration Tool?A: The dimensions are approximately seven point nine nine inches in length, five point nine one inches in width, and zero point three nine inches in height.
Q: What material is the calibration tool made from?A: The calibration tool is made from paper, ensuring it is lightweight and portable.
Q: How many calibration cards are included in the package?A: The package includes two lens focus calibration cards for your convenience.
Q: How do I use the DSLRKIT Lens Focus Calibration Tool?A: To use the tool, set it up level with your camera, focus on the QR code, and take a photo to check for accuracy.
Q: Is the calibration tool suitable for all camera brands?A: Yes, it can be used with various camera brands, but adjustments may vary based on each camera's features.
Q: What is the best aperture setting to use with the calibration tool?A: Set the lens to the widest aperture to achieve the shallowest depth of field for accurate focusing assessment.
Q: How should I clean and maintain the calibration cards?A: To maintain the calibration cards, keep them dry and store them flat to avoid curling or damage.
Q: Is there a specific way to store the calibration tool?A: Store the calibration tool in a flat position in a dry area to prevent bending or tearing.
Q: Can the calibration tool help with backfocusing issues?A: Yes, it can help identify backfocusing issues, allowing you to adjust your camera's auto-focus settings accordingly.
Q: What if I receive a damaged calibration tool?A: If you receive a damaged tool, contact customer support for a return or replacement as per the store's return policy.
Q: Does this tool come with any warranty?A: Yes, the product typically comes with a limited warranty covering manufacturing defects.
Q: How do I know if my camera has auto-focus adjustment features?A: Check your camera's user manual to determine if it includes features like 'AF Fine Tune' for Nikon or 'AF Micro Adjustment' for Canon and Sony.
Q: Is this lens calibration tool beginner-friendly?A: Yes, the tool is designed to be user-friendly and can be used effectively by both beginners and experienced photographers.
Q: Can this tool work with lenses other than DSLR?A: Yes, the calibration tool can be used with various lens types, provided they have compatible auto-focus adjustments.
Q: What should I do if my lens is front focusing?A: If your lens is front focusing, adjust the auto-focus micro-adjustment settings on your camera until focusing is accurate.