1.4x Full Frame Expander


Laowa 1.4X FF Expander is tailor-made for the OOOM to expand the coverage from Super35 into full-frame without affecting its image quality.

**There will be a 1-stop light down and 1.4x impact on the focal range, making OOOM a 35-140mm T4 lens. A quick switch button is designed on the OOOM to allow easy conversion of focal length & t-stop scale.

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1.4x Full Frame

Expanding the coverage from S35 to Full Frame

1.4x full frame expander scale

The maximum coverage of OOOM Laowa 25-100mm T2.9 can be converted from RED Monstro 8K VV 6K HD to  RED Monstro 8K VV – 8K HD after 1.4X Full Frame Expander is applied.

Easy Back Focus

Specially designed mechanism to replace shims

The adapter can be compatible with other S35 lenses. Check the back structure of your lenses with the clearance check tool provided.



Laowa 1.4x Full Frame Expander
Focal Length Extension 1.4x
With 25-100 focal length 35-140mm
With 25-100 T-stop range 4-32
Image Circle Diameter 55mm
Diameter ø89mm
Length 57.5mm
Weight 330g

Additional information


PL-PL, Bundle (1.33x Anamorphic adapter & 1.4x Full Frame Expander)


1.33x Anamorphic adapter & 1.4x Full Frame Expander