Ask Lensrentals: Lenses, Sensor Cleaning, and Sharpness Testing

The Lensrentals Podcast

When you should worry about scuff market on a lens? Can you clean your own camera’s sensor? When the heck did third party lenses actually start to get good? Find out the answers to these queries and more in today’s episode when Ryan is joined by Roger, the founder of Lensrentals and all-around optical nerd extraordinaire to answer your questions!

• Gear and Resources Mentioned:
  • (Video) How to Clean a Camera Sensor
  • (Article) Guide to Cleaning a Camera Sensor
  • (Article) A Reasonably Non-Geeky Guide to Lens Tests and Reviews
  • Image Test Chart
• Canon 100-400mm f/4.5-5.6L IS II
• Canon EF Extender 1.4x III
• Tamron 100-400mm f/4.5-6.3 Di VC USD for Canon
• Canon 6D Mark II
• Tripods
• Nikon Z7
• Nikon Z 24-70mm f/2.8 S
• Sony Alpha a7R IV
• Sony FE 70-200mm f/2.8 GM OSS
• Tamron 70-200mm f/2.8 SP Di VC USD G2 for Canon
• Tamron 70-180mm f/2.8 Di III VXD for Sony E
• Sony FE 200-600mm f/5.6-6.3 G OS
• Sony FE 100-400mm f/4.5-5.6 GM OSS
• Sony FE 24-105mm f/4 G OSS
• Canon 11-24mm f/4L
• Sigma 14-24mm f/2.8 DG HSM Art for Canon
• Canon 11-24mm f/4L
• Rokinon Xeen Cine Lenses
• Giottos Rocket Blaster Dust-Removal Tool
• “Superb” Ultra Wide Lenses Roger Recommends:
  • Nikon 14-28 f/2.8
  • Sigma 14-24mm f/2.8 DG HSM Art for Canon
  • Sony FE 12-24mm f/2.8 GM

• The Lensrentals Podcast is a production of Lensrentals, founded by Roger Cicala. Our production staff includes Drew Cicala, Ryan Hill, Sarah McAlexander, SJ Smith, Julian Harper, John Tucker, and Zach Sutton. Other contributors include Roger Cicala, Joey Miller, Ally Aycock Patterson, Joshua Richardson, and Philip Robertson.
• Thanks to Jacques Granger for our theme song.
• Submit a topic idea, question or comment, leave us a voicemail at 901-609-LENS, or send us an email at [e-mail].
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