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Mount Adaptor (w/TMT) E-mount
$349.99
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or 0% APR
/mo
or 0% APR
$349.99
Or
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or 0% APR
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or 0% APR
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- A-mount lens adapter
- 35 mm Full Frame compatibility
- Continuous AF with Translucent Mirror technology
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- AF not available with STF lenses and teleconverters.
- Teleconverter lenses and Minolta Xi lenses are not compatible.
- Aperture setting for video capture is fixed at the maximum aperture of the lens or F3.5, whichever is lower (AF-C).
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Sony and α (Alpha) are trademarks of Sony. All other trademarks are property of their respective owners.
Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.
Sony and α (Alpha) are trademarks of Sony. All other trademarks are property of their respective owners.
Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.
What is the Sony LA-EA4 Mount Adaptor?
The LA-EA4 is an A-mount lens adapter with 35mm full-frame compatibility that lets you use A-mount lenses on E-mount cameras. It features Translucent Mirror Technology (TMT) to enable continuous AF.
Does the LA-EA4 support full-frame A-mount lenses?
Yes, the LA-EA4 offers 35mm full-frame compatibility, so it can be used with full-frame A-mount lenses on E-mount bodies.
Does the LA-EA4 provide autofocus for A-mount lenses?
Yes, the LA-EA4 uses Translucent Mirror Technology to provide continuous AF with A-mount lenses. Note that AF is not available with STF lenses and teleconverters.
Are teleconverters compatible with the LA-EA4?
No, teleconverter lenses and Minolta Xi lenses are not compatible with the LA-EA4.
How does the LA-EA4 handle aperture during video capture?
For video capture, the aperture setting is fixed at the maximum aperture of the lens or F3.5, whichever is lower, in AF-C mode.
How much does the Sony LA-EA4 Mount Adaptor cost?
MSRP is listed as $349.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.
Can I pay for the LA-EA4 in installments?
Yes, you can pay in 4 interest-free payments or as low as $30/mo with Affirm, with financing as low as 0% APR available on orders over $50.
What lens mount does the LA-EA4 adapter use on the camera side?
The LA-EA4 attaches to Sony E-mount camera bodies while accepting A-mount lenses, bridging Sony's A-mount lenses to the E-mount system.
*FAQ generated on 07/23/2026. Financing, pricing and promotions may no longer apply.