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Article ID : 00095415 / Last Modified : 04/03/2026

What is the difference between the LA-EA1, LA-EA2, LA-EA3, LA-EA4 and LA-EA5 lens mount adapters?

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IMPORTANT: Before using any mount adapter, please note:

• Features may vary depending on your specific camera and lens combination, as well as camera settings.
• Always consult your camera's Help Guide and instruction manual, and verify compatibility information for your camera and lens.
• The specifications below assume that your camera, lens, and mount adapter all have the latest firmware installed. Please update firmware before use.

	LA-EA5	LA-EA4	LA-EA3	LA-EA2	LA-EA1
Features	Supports 35mm full-frame sensors High-speed continuous shooting with AF/AE is available with supported cameras. Built-in AF motor Small cylindrical shape	Supports 35mm full-frame sensors Built-in AF sensor and AF motor using translucent mirror technology	Supports 35mm full-frame sensors High-speed continuous shooting with AF/AE is available with supported cameras.	Supports APS-C sensor Built-in AF sensor and AF motor using translucent mirror technology	Supports APS-C sensor
Auto focus in Still Image Mode	AF is available with all Sony A-mount lenses*1 in combination with a supported camera. AF is available with only SAM/SSM lenses when used with other cameras.	AF is available*2 with all Sony A-mount lenses.*1	AF is available with only SAM/SSM lenses.	AF is available*2 with all Sony A-mount lenses.*1	AF is available with only SAM/SSM lenses.
AF system	Focal plane phase-detection AF or Contrast AF depending on the camera used.	Phase-detection AF (Sensor built into the mount adapter)	Focal plane phase-detection AF or Contrast AF depending on the camera used.	Phase-detection AF (Sensor built into the mount adapter)	Focal plane phase-detection AF or Contrast AF depending on the camera used.
Available AF Mode	AF-S, AF-C, AF-A, DMF Eye AF is also available when using focal plane phase-detection AF.*3	AF-S, AF-C, AF-A, DMF *4 Eye AF is unavailable.	AF-S, AF-C, AF-A, DMF Eye AF is also available when using focal plane phase-detection AF.*3	AF-S, AF-C, AF-A, DMF *4 Eye AF is unavailable.	AF-S, AF-C, AF-A, DMF Eye AF is also available when using focal plane phase-detection AF.*3

• *1 STF lenses are manual focus only lenses, auto focus will not operate with any adapter.
• *2 Auto focus may not function with certain camera models, defaulting to manual focus only. Check your camera's Help Guide for details.
• *3 Eye AF may be unavailable when using the mount adapter, depending on the camera used.
• *4 Differs depending on the combination of camera and lens used.

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Related Articles

• What are the differences between the Mount Adaptor LA-EA1 and LA-EA2?
• The aperture cannot be adjusted in movie mode when using the LA-EA2 or LA-EA4 mount adapter with an A-mount lens.
• The camera does not auto focus (AF) when using a lens mount adapter.
• Are the AF Area in LA-EA2 and LA-EA4 different?
• Can I use the Mount Adaptor (LA-EA1) with this camera?

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