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Review Summary
2022-03-22T10:17:15
Works well with Pentax lenses it supports. Hopefully, that list will expand over time.
DAVID C.
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Browse our FAQ
Sony E
Pentax K
Yes
No
3.1 x 2.4 x 0.9" (80 x 60 x 23mm)
3.4 oz (96g)
MonsterAdapter LA-KE1 electronic adapter is designed to adapt Pentax K Mount KAF lenses to Sony E Mount mirrorless bodies with the features including auto-focus, aperture control and EXIF recording etc.
Benefits
LA-KE1 brings multiple AF advantages from Sony E bodies to Pentax KAF lenses, including hundreds of AF points across the frame, human/animal eye focus, real time AF tracking and AE in continuous shooting mode, etc.
Increased Sharpness with Your Vintage Lenses
Your K-mount lenses now gets more sharper! By using cutting edge On-Sensor-Phase-Detection-AF technology of mirrorless cameras, screw driven lenses can get more precise AF results than before.
Extended Focus Point Coverage
The coverage of the focus point has been extended to almost full screen, allowing you to create more with freedom.
Human/Pet's Eye Tracking
Now K-mount lenses can also achieve tracking on the eyes of people and pets, allowing the subject to look more brilliant in the photos.
Continuous AF and AE
LA-KE1 can make K-mount lenses achieve AF and AE continuously when shooting at a maximum of about 30 frames per second (camera support required) and the focusing accuracy will be highly improved at high-speed AFC mode.
Shooting with Stabilization
The camera body will automatically enable 5-axis anti-shake stabilization while shooting, just like SR function on K-mount bodies.
Design
Full Featured K-Mount
With K-mount communication contacts, power contacts and AF switch. the LA-KE1 adapter is compatible with K-mount lenses from KAF to KAF4, maximizing the lens compatibility.
Dual Built-In Motors
LA-KE1 has both built-in aperture motor and screw-drive AF motor, allowing K-mount lenses to achieve auto focus and auto exposure on mirrorless cameras. It can automatically recognize and control traditional mechanical aperture and KAF4 electromagnetic aperture as well as traditional screwdriver focus lens and SDM/DC/PLM motor lens.
Metal Integral Molding
The main body of LA-KE1 adopts a metal integral molding process to ensure the durability of the adapter.
No Bokeh Cut
The internal space of the adapter is optimally maximized so that the bokeh won't be cut when large-aperture lenses are in use.
Unique Focus Mode Selection Switch
For lenses like smc DA Pentax 200mm f2.8 SDM, they both have an SDM motor and a screwdriver focusing mechanism. The AF drive mode can be selected via this switch in case the SDM motor fails. The position 1 is screwdriver, and the position is SDM.
Lightweight Design
Can you imagine this is an adapter with only 96 grams (0.2lb) Even less than 1/3 of a can of soda. The lightweight design of LA-KE1 will save you the weight of one extra K-mount lens in your backpack.
Upgrade Firmware Via Camera
The adapter firmware will be upgraded through camera body like the same you do with native lenses so there is no USB port on the adapter through which the water and dust may get in.
Supported Lenses (Firmware V01)
Prime Lenses
smc PENTAX-DA 15mm F4 AL Limited
HD PENTAX-DA 15mm F4 AL Limited
smc PENTAX-DA 21mm F3.2 AL Limited
HD PENTAX-DA 21mm F3.2 ED AL Limited
smc PENTAX-FA 24mm F2 AL[IF]
smc PENTAX-FA 28mm F2.8 AL
smc PENTAX-FA 31mm F1.8 AL Limited
smc PENTAX-FA 35mm F2 AL
Samsung/Schneider D-XENOGON 35mm F2
smc PENTAX-DA 35mm F2.8 Macro Limited
HD PENTAX-DA 35mm F2.8 Macro Limited
smc PENTAX-DA 40mm F2.8 Limited
HD PENTAX-DA 40mm F2.8 Limited
smc PENTAX-DA 40mm F2.8 XS
smc PENTAX-FA 43mm F1.9 Limited
smc PENTAX-DA 50mm F1.8
smc PENTAX-DA 70mm F2.4 Limited
HD PENTAX-DA 70mm F2.4 Limited
smc PENTAX-FA 77mm F1.8 Limited
smc PENTAX-FA 85mm F1.4 [IF]
smc PENTAX-D FA Macro 100mm F2.8 WR
Samsung/Schneider D-XENON 100mm F2.8 Macro
smc PENTAX-FA 135mm F2.8 [IF]
smc PENTAX-FA 200mm F2.8 ED[IF]
smc PENTAX-FA 300mm F2.8 ED[IF]
smc PENTAX-FA 300mm F4.5 ED[IF]
Zoom Lenses
smc PENTAX-FA 80-200mm F2.8 ED[IF]
Note
For lenses not in the supported list, their performance cannot be used as the basis for return or exchange.
LA-KE1 will continue to expand autofocus support for K-mount lenses through free firmware upgrades. Lenses that are not in the list below cannot be guaranteed for the time being. Stay tuned for follow-up firmware updates.