{"podcast":{"title":"The Nerdy Photographer Podcast","slug":"the-nerdy-photographer-podcast-1150322","podcast_index_feed_id":1150322,"rss_url":"https://nerdyphotographer.libsyn.com/rss","website_url":"https://nerdyphotographer.com","image_url":"https://static.libsyn.com/p/assets/4/b/6/3/4b633d7d5ee31c52d959afa2a1bf1c87/NP-Podcast-Wide-2-Square.png","author":"Casey Fatchett","episode_count":209,"summary":"Host Casey Fatchett brings an often humorous look at the photography industry, offering advice, telling stories, and interviewing working photographers - all while going on adventures with the crew of the starship Fibonacci. He's also sure to include just a little bit of useless information in every episode.","last_synced_at":"2026-07-09T20:22:11.752201+00:00","page_url":"https://stenobird.com/podcast/the-nerdy-photographer-podcast-1150322"},"episode":{"title":"The \"Why\" Behind Your Aperture – Beyond the Bokeh","slug":"174-the-why-behind-your-aperture-beyond-the-bokeh","published_at":"2026-07-02T10:00:00+00:00","page_url":"https://stenobird.com/podcast/the-nerdy-photographer-podcast-1150322/174-the-why-behind-your-aperture-beyond-the-bokeh","show_page_url":"https://stenobird.com/podcast/the-nerdy-photographer-podcast-1150322","url":"https://nerdyphotographer.com/podcast/174-the-why-behind-your-aperture-beyond-the-bokeh/","audio_url":"https://traffic.libsyn.com/secure/nerdyphotographer/Nerdy-Photographer-Podcast-174-why-behind-aperture.mp3?dest-id=780545","summary":"Many photographers learn aperture in two steps: wide for blur, narrow for sharpness. It's a reasonable starting point, but it skips the physics that actually determines how sharp your images are, and it leads to a habit that's quietly costing you image quality. And if you know anything about me at this point, you know I'm down for a physics discussion. We start with diffraction — the optical phenomenon that makes f/22 softer than f/8, even though everything is technically \"in focus.\" When light is forced through a tiny aperture opening, it bends and spreads rather than travelling cleanly to the sensor. The result is a subtle mushiness that no amount of post-processing sharpening can fully recover, because the data simply wasn't captured cleanly in the first place. From there we cover the aperture sweet spot — the range, typically two to three stops from wide open, where most lenses perform at their sharpest from corner to corner. This varies by lens, which is why the episode homework is designed to help you find your specific lens's optimal aperture rather than relying on a general rule. Finally, we tackle one of the most persistent myths in photography: lens compression. Longer focal lengths don't actually compress a scene — distance does. Understanding why changes how you think about lens choice for portraits and environmental shots. Support The Nerdy Photographer Sign Up for The Power Up - https://nerdyphotographer.com/newsletter Get some artwork from the print shop - https://art.caseyfphoto.com Buy some Nerdy Photographer Merch - https://nerdyphoto.dashery.com Use our link to buy new gear from Adorama - https://nerdyphotographer.com/recommends/adorama Use our link to buy used gear from KEH - https://nerdyphotographer.com/recommends/keh Follow along with us on socia…","meta_description":"Many photographers learn aperture in two steps: wide for blur, narrow for sharpness. It's a reasonable starting point, but it skips the physics that actua…","key_points":[],"chapters":[],"topics":[],"duration_seconds":609,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-nerdy-photographer-podcast-1150322/episodes/174-the-why-behind-your-aperture-beyond-the-bokeh/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-nerdy-photographer-podcast-1150322/174-the-why-behind-your-aperture-beyond-the-bokeh.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}