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
- Compact, lightweight design adds minimal bulk to camera setups
- 4-element optical design minimizes image quality loss
- Wide compatibility with most M42 lenses and Micro 4/3 cameras
Cons
- No listed quality or safety certifications
- No included mounting instructions or extra hardware
- Only supports M42 lenses, limiting use to that single lens mount type
- No auto-focus or electronic communication between lens and camera
Common Questions
What materials is this m42-m43 lens adapter constructed from, and what optical components does it have?
The adapter has an all-metal structure, and it uses 4 optical elements arranged in 2 groups for clear image transfer.
What are the approximate physical dimensions or weight of this lens adapter?
Exact dimensions and weight are not listed in the product specs, but it is a compact, lightweight adapter for seamless mounting.
Which camera and lens mounts is this adapter compatible with?
It works with all M42 mount lenses and all Micro 4/3 mount cameras, including Panasonic GH5, GF6, GX7 and Olympus EM5, EM10, E-PL5 models.
What is the primary function of this focal reducer speed booster adapter?
This adapter reduces the effective focal length of M42 lenses to boost light intake and improve aperture performance on Micro 4/3 cameras.
Where is this lens adapter manufactured and shipped from?
This adapter originates from Mainland China.
Product information last updated on November 20, 2025