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:
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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