This episode was recorded live on Friday, April 17, 2026 on WNRI 1380AM & 99.9FM in Woonsocket, RI.

In this episode of The Nathan Markley Show, Nathan and his dad, Glenn, dive into two very different—but equally fascinating—worlds: photography and automotive repair.

First, Nathan breaks down the "Exposure Triangle" for beginners. If you've ever wondered how to get that blurry background in portraits or how to freeze a fast-moving race car in a photo, this segment is for you. We discuss:

• Shutter Speed: How to freeze action vs. capturing silky motion.
• Aperture: Controlling light and depth of field (the bokeh effect).
• ISO: Understanding "artificial brightness" and the trade-off with image noise.
• Lenses: When to use a wide-angle vs. a telephoto lens.

We transition into our popular "Ask a Mechanic" segment! We tackle a listener's question about ADAS (Advanced Driver Assistance Systems) and why replacing a windshield on modern cars like the Hyundai Sonata requires specialized camera calibration.

Glenn also brings a critical update on a massive Ford F-150 recall affecting nearly 1.4 million trucks. We explain the "lead frame" defect in the 6R80 transmission that causes dangerous unexpected downshifts and how to check your VIN.

Check your VIN for Recalls: https://www.nhtsa.gov/recalls

Have an automotive question for our "Ask a Mechanic" segment? Submit your questions here: https://nathanmarkley.net/askamechanic

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Listen to the show every Friday night at 6:05pm EST on WNRI 1380 AM 99.9 FM or online at https://wnri.com.

Chapters:

00:00 – Introduction & Welcome to the Show 02:58 – Episode Roadmap: Photography & Automotive 03:54 – Photography Basics: Nathan's Origins 05:26 – Understanding Shutter Speed 06:57 – Aperture & Depth of Field Explained 09:23 – Choosing the Right Lens (Glass) 11:17 – What is ISO? (Artificial Brightness) 13:08 – Starting Out: Auto Mode vs. Manual 16:12 – Learning the Settings on Your Camera 18:18 – Photography Software (Lightroom & Capture One) 19:51 – Shooting RAW vs. JPEG 21:42 – Photography on Smartphones 26:33 – Ask a Mechanic: Segment Intro & Call-in Info 27:44 - Listener Question: Windshield Replacement 28:42 - What is ADAS? (Forward-Facing Cameras) 30:45 - Why the Windshield Acts as a Lens 31:42 - The Calibration Process: Targets & Millimeters 35:30 - Mobile Calibration: Can SafeLite do it? 36:40 - OE vs. Aftermarket Glass Specifications 38:02 - The Magnuson-Moss Warranty Act Explained 38:40 - Why You Should Never Tint Over a Camera 40:11 - Optical Sensors vs. Digital Data 45:04 - Recall Alert: Hyundai & Kia Fuel Leaks 46:46 - Ford F-150 Recall: 1.4 Million Trucks (2015-2017) 49:05 - The Danger of Unexpected 6th-to-2nd Downshifts 51:11 - Technical Deep Dive: The Transmission Lead Frame (6R80) 53:14 - How Ford Fixes the Issue & Checking NHTSA.gov 54:26 - Final Sign-off & Show Credits

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