m42-m43 Focal Reducer Speed Booster Turbo adapter for 42mm m42 Lens to panasonic m4/3 camera GF6 GX7 gh4 gh5 EM5 EM1 em10 E-PL5
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Specifications
- Brand Name
- m1zeng
- High-concerned chemical
- None
- Origin
- Mainland China
- Model Number
- m42-m43
- Compatible Brand
- Panasonic, Olympus
- Lens Adapters Type
- Lens Adapters
- Certification
- None
- color
- black
Product Description
All metal structure, with excellent opticals (4 elements/2 groups)
Suitable for:
--M42 Lens
--All Micro 4/3 Camera
Panasonic GH5/GH4/GH3/GH2/GH1/GF9/GF8/GF7/GF6/GF5/GF4/GF3/GF2/GF1/ GX85/GX8/GX7/GX1/G7/G6/G3/G2/G1
Olympus E-M10/E-M10II/E-M10III/E-M5II/E-M5/E-M1/E-PL8/E-PL7/E-PL5/E-PL3/E-PL2/PEN-F/E-PM2/E-PM1/E-P5/E-P3/E-P1
what it does:
reduce the focal length (by 0.7x wider)
effectively increases the maximum aperture of the lens by 1 stop (in other words, under the same aperture, you can use faster shutter speed (by 1 stop).
what it does not:
there is no electronic integration, no auto fucusing, no auto aperture
Package Include
m42-m43 adapter x1
Original Package
Suitable for:
--M42 Lens
--All Micro 4/3 Camera
Panasonic GH5/GH4/GH3/GH2/GH1/GF9/GF8/GF7/GF6/GF5/GF4/GF3/GF2/GF1/ GX85/GX8/GX7/GX1/G7/G6/G3/G2/G1
Olympus E-M10/E-M10II/E-M10III/E-M5II/E-M5/E-M1/E-PL8/E-PL7/E-PL5/E-PL3/E-PL2/PEN-F/E-PM2/E-PM1/E-P5/E-P3/E-P1
what it does:
reduce the focal length (by 0.7x wider)
effectively increases the maximum aperture of the lens by 1 stop (in other words, under the same aperture, you can use faster shutter speed (by 1 stop).
what it does not:
there is no electronic integration, no auto fucusing, no auto aperture
Package Include
m42-m43 adapter x1
Original Package
Pros & Cons
Pros
- All-metal construction for durable, long-lasting use
- 4-element/2-group optical design for high-quality optical performance
- Compatible with a wide range of Panasonic and Olympus Micro 4/3 cameras
- Acts as a speed booster to improve light transmission and reduce focal length for M42 lenses on Micro 4/3 bodies
Cons
- No information on included mounting screws or installation tools is provided
- The product listing does not specify the exact reduction ratio of the focal reducer
- Only available in black color, with no other color options
- No warranty information is included in the product listing
Common Questions
What material is this lens adapter constructed from?
This adapter has an all-metal construction for long-lasting durable use.
What lens and camera mounts does this adapter support?
This adapter is designed to fit M42 lenses onto Micro 4/3 cameras from Panasonic and Olympus.
Which specific camera models is this adapter compatible with?
It is compatible with Panasonic models including GH5, GH4, GF6, GX7 and Olympus models including EM5, EM1, E-PL5, among other Micro 4/3 cameras.
What is the primary function of this focal reducer adapter?
This adapter acts as a focal reducer speed booster, allowing M42 lenses to be used on Micro 4/3 cameras while improving light transmission and reducing focal length.
What optical design does this adapter have and where is it shipped from?
This adapter features a 4-element/2-group optical design for excellent optical performance, and it ships from Mainland China.
Product information last updated on November 20, 2025