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Adrian SegarASegar
2026-02-08

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2025-12-20

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2025-08-19

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
databrickdatabrick
2025-07-20

a or very easy to Build ! zum Bau eines Lego . Video on TikTok vm.tiktok.com/ZNdmxQ9qV/

Adrian SegarASegar
2025-05-07

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
databrickdatabrick
2025-03-29

a fancy with only 12 bricks in a view seconds youtu.be/js4gNrDYsT8?si=apRtp4

databrickdatabrick
2025-03-12

for the a working with only and Plates YT Video youtu.be/DN0jHViRPpM?si=Vm2WZh

databrickdatabrick
2025-03-10

for the upcoming a real working writer with only Bricks and Plates. Totally compatible with Lego Basic. In the YT Video i installed the player in Legos . youtu.be/DN0jHViRPpM?si=yM8l1D

Adrian SegarASegar
2025-01-01

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2024-10-26

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2024-09-17

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2024-08-22

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2024-02-14

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
Adrian SegarASegar
2023-11-17

I built a Corsi-Rosenthal Box! Here are my tips on building a Corsi-Rosenthal Box air cleaner for an airborne pandemic like COVID-19.

conferencesthatwork.com/index.

A photograph of Adrian Segar's office, showing a set of parts needed to make a Corsi-Rosenthal box.
❄ SnowWrite ❄snowwrite
2023-06-06

I celebrated 3 years since I uploaded my first video to my channel on May 31 - quietly. I haven't been as consistent with uploading as I'd like and I let the little perfectionist on my shoulder give me grief way too much. I'm short, round, and almost 60 :D but absolutely love teaching about tech or showing it off. youtube.com/watch?v=pDAOHAeodS8 @3dprinting

Zoomers of the Sunshine Coast 🇨🇦SCZoomers@mstdn.ca
2022-12-01

SHIVEN TANEJA @SHIVENTANEJA • NOV 30, 2022

How to Build a Corsi-Rosenthal Box

I have created a step-by-step guide to building a #CorsiRosenthalBox.

Thank you, @JimRosenthal4 & @CorsIAQ, for approving it. Displaying it in waiting rooms, offices, schools, and libraries will help more people stay safe this season. Please DM me if you need a PDF or another size.

#Covid19 #DYI #CRBox #HowToBuild #Poster

petapixel (unofficial)petapixel@ծմակուտ.հայ
2021-09-09

How to Turn a Magnifying Glass into a Focusable Lens for a Vintage Look

Fotodiox has shared a step-by-step video tutorial on how to turn a simple household magnifying glass into a focusable lens on a mirrorless camera for a unique vintage effect.

Although modern cameras are capable of producing tack-sharp results, some photographers and filmmakers might want to turn towards a softer and more imperfect lo-fi look which can be used for creative purposes both for stills and videos, as demonstrated by Sean from Fotodiox in the company's latest YouTube video.

In an earlier video in 2017, Sean showed how to do a simple do-it-yourself (DIY) project using a magnifying glass and a macro tube to create a lens that produces soft vintage stills and video footage. However, at the time, the project only resulted in a fixed-focus magnifying glass lens that only focused to approximately ten feet and no farther. This time around, Sean has revised his tutorial and shows how to create a focusable lens instead.

To do so, Sean used a magnifying glass with its handle cut off and a Fotodiox Canon EF macro-focusing bellows. Bellows like these are generally used by photographers to help achieve extreme close-ups at a fraction of the cost when compared to purchasing a dedicated macro lens.

He adapted the bellows to his Sony Alpha 7R camera using a second Canon EF to Sony E-mount adapter, while the magnifying glass was added on the outside to allow Sean to focus to infinity. In a typical DIY manner, Sean attached the magnifying glass where the Canon EF lens would go using some gaff tape to keep it in place.

Seeing as the magnifying glass creates a very fast lens with a shallow depth of field, it requires exposure control, especially for video footage. For this, Sean used ND Throttle Adapter, which is a lens adapter with a built-in variable ND filter.

Fotodiox markets it as a helpful accessory that allows photographers to open up the aperture and get a pleasing shallow depth of field for video footage. This is achieved by manually turning the variable ND ring to reduce the light coming through which helps obtain the needed exposure.

The final build consists of the magnifying glass on the outside, followed by the macro bellows, and the ND Throttle Adapter which is mounted between the macro bellows and the camera. To control the lens, macro bellows are used to adjust the focus and the variable ND filter ring is responsible for adjusting the exposure.

The result provides a lo-fi effect that would be hard to replicate in digital post-processing. Sean notes that this is not a look that will appeal to everyone but it can help create something that is different from the pin-sharp digital content.

More videos like these by Fotodiox Inc can be found on the company's YouTube channel.

Image credits: All photos provided courtesy of Fotodiox.

#doityourself #equipment #diy #diylens #fotodiox #householditems #householdobjects #howtobuild #lofi #magnifying #makeyourown #vintage #vintagelens

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