OptMag 1.7x Expander

The Highlight Reel

  • Increases the image circle of the taking lens

  • Increases focal length by 1.7x

  • PL mount lens to PL mount camera

  • Integrated flange back adjustment for easy set-up and fine tuning

  • Reduces light by 1.5 stops

  • Made in Japan

Musashi Optical-OptMag Demo1.jpg

Showing view of a super 35 lens on a large format camera without Expander -Red crop marks simulated

Musashi Optical-OptMag Demo-2.jpg

With OptMag 1.7X Expander


With the introduction of full frame and large format Vista Vision cameras, many artists and cinematographers alike are facing a transition as their investment in Super 35 glass is not compatible with Full Frame and Vista Vision sensors.

Instead of selling this investment in your tools of choice, the OptMag 1.7x expander from Musashi Optical increases the image circle of your Super 35 lenses to cover full frame and Vista Vision sensors with an image circle of up to 46.3mm.

The expander increases the image circle of the taking lens by increasing your focal length by 1.7x and reducing your light by 1.5 stops. This is how the Musashi Optical OptMag Expander can convert a Super 35 lens to cover full frame and the larger format of Vista Vision which is over 200 % the coverage of Super 35. The optical design was created to minimize the impact on the character of the taking lens. 

The 1.7x expanders sets up easily with its own integrated flange back adjustment, no shimming necessary.  

The Optmag 1.7x Expander is available in PL to PL mount for use with a wide variety of Super 35 cinema lenses so you can use the S35 lenses you own on a wider variety of cameras for new creative possibilities.

12/02/21 UPDATE - Musashi Optical has added a new version of the TL-OMFF the TL-OMFFE which has a Sony E-mount built-in to the camera side of the expander that is secured by 6 high durability alloy set screws sunk into a stainless steel base. This eliminates flex, possible movement and gaps that can happen with a separate PL to E-Mount adapter is used between the camera and the expander. This version works great with Sony Venice and FX series cameras in Super 35 Mode.

Not compatible with all lenses, please contact us with specific questions.