Sony E Mount, Sony A Mount, legacy Minolta A mount, our spiritual cousins in the RX series. This is a Reddit's best source for talking about the Sony Alpha photography system.
Sony LA-EA3 As the name implies, this is a manual focus lens and no adapter will change that, so you might was well use the less expensive adapter.Proud to be the #1 Camera-Brand Subreddit! Sony LA-EA4 This is a screw-drive focus lens so only LA-EA4 provides fast AF-C and AF-S using it’s own focus system that does not take advantage of a7RII’s 399 Phase Detection and 25 Contrast AF points. LA-EA4 This is a screw-drive focus lens so only LA-EA4 provides fast AF-C and AF-S using it’s own focus system that does not take advantage of a7RII’s 399 Phase Detection and 25 Contrast AF points. Sony LA-EA3 can be used for manual focus. Sony a7RII + Sony 500mm/F4 G lens Sony 16mm f/2.8 Fisheye Lens Sony LA-EA4 can also be used but it uses it’s own focus system that does not take advantage of a7RII’s 399 Phase Detection and 25 Contrast AF points. Sony 70-200mm f/2.8 G Lens (Discontinued) Sony 24-70mm f/2.8 ZA Lens (Discontinued)
This update added some really big improvements including Animal Eye AF, Real Time Eye AF and Interval. Previous to v3.01 firmware version 3.00 was released for the Sony a7 III. Unlike the recent v3.00 update v3.01 only Improves the overall stability of the camera according to Sony. Sony LA-EA3 offers fast and accurate AF-C and AF-S with Wide, Center and Flexible Spot Focus Areas. Sony has released firmware v3.01 for the Sony a7 III. Sony a7RII + Sony 24-70mm f/2.8 ZA SSM II lens Sony 16-35mm f/2.8 ZA Lens Here’s a look at how Sony A-Mount lenses perform on Sony a7RII using the camera’s on-sensor Phase Detection AF system with Sony smart adapters. While the performance of many third-party lenses like Sony A-Mount and Canon EF lenses on a7RII is greatly improved, you still get the best performance and most AF features using native FE lenses.
Please note that Face Detection works when Sony A-Mount lenses are used with a Sony LA-EA3 adapter, but Eye-AF and Center Lock-On AF are not compatible. Sigma 85/1.4 (A mount) with Sony LA-EA3 Sony made some money on the adapter: Full support - Sony 85/1.4 ZA with Sony LA-EA3 Sony made tons of money: no AF 85 ZA is a screw driven lenses, it require motor in the adapter or camera. I’ve tested both AF-C and AF-S with a wide range of Sony A-mount lenses using a Sony LA-EA3 Adapter and in all my tests I found best performance was achieved using the default setting of Phase Detection AF. Links to all Samyang/Rokinon FF E-mount AF lenses: 14mm f/2.8 at BHphoto, Adorama, Amazon. Samyang issued a new firmware update for the Samyang 85mm f/1.4 FE lens. The Phase Detection AF setting allows you to finally shoot in continuous AF-C mode with choices of Wide, Center or Flexible Spot Focus Areas. New firmware update for the Samyang 85mm f/1.4 FE lens. It allows users to select between 399-point Phase Detection AF or 25-point Contrast AF when an A-Mount lens is used with a LA-EA3 adapter (but not a LA-EA4) or when using third-party AF-capable Smart Lens Adapters. This is actually the most important new setting on Sony a7RII cameras. Screw-drive lenses can also be used with a Sony LA-EA3 Lens Adapter but it will only work in manual focus mode.ģ99 Phase Detection / 25 Contrast AF Points But because the LA-EA4 adapter uses it’s focus system – not the cameras – A-mount lenses won’t benefit from the a7RII’s large focus area or increased focus speed. Sony and Minolta Screw-drive Lenses have no focus motor in the lens so for AF, they need an lens adapter with its own focus motor like the Sony LA-EA4 Lens Adapter to provide AF with screw drive lenses. Sony LA-EA3 Lens Adapter allow Sony SSM and SAM lenses to achieve fast autofocus using a7RII’s entire 399-point PDAF and 25-point Contrast AF system in both AF-C and AF-S modes. In all cases testing was performed in less-than-bright testing conditions. All testing was done under indoor lighting either at B& H Photo, the Sony Store in NYC or at Photoshop World. I tested out every lens I could get many hands on and here’s a breakdown of which adapters worked best on each. Sony A-mount lenses include motorized SSM and SAM lenses as well as non-motorized Screw Drive lenses.įastest AF is achieved using a7 II, a7R II, a7 III, a7R III, a9, a6300, a6400, a6500 which allow PDAF AF-C and AF-S with third-party lenses in still photography mode. Sony a7RII’s back-illuminated sensor is the world’s first fullframe sensor with an on-sensor Phase Detection AF system capable of fast autofocus using SSM and SAM DSLR lenses.