10 best converter lens for 2021

It’s not that easy to choose the right converter lens since there’s a ton of things you need to consider first. Some of the factors we paid attention to in our evaluation when reviewing the top converter lens on the market. Through our research, weve looked through catalogues to pick out the very best for you. Through our comparison table, in-detail reviews of each product, were going to reveal the name of our best converter lens on the marketbut dont skip to the end!

Best converter lens

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Best converter lens reviews

1. Olympus WCON-P01 Wide Angle Converter For Olympus 14-42mm MFT Lens

Feature

Olympus WCON-P01 Wide Converter - Front Lens Cap - Rear Lens Cap - Olympus 1 Year Warranty
Construction: 2 Groups/ 2 Elements
Lens Combinations: Master lens: M.ZUIKO DIGITAL 14-42mm f:3.5-5.6 II (Focal length set to maximum wide position recommended)
Focal Length: 11mm (Micro Four Thirds)/20.8 mm (35mm format)
Angle of view: 89 Degree

2. Pentax 1.4x HD PENTAX-DA AF Rear Converter AW for K-Mount Lenses

Feature

HD Multi-Layer Lens Coating
Weather-Resistant and Dustproof Design
1.4X Magnification in a Compact Form Factor
Auto Focus and Aperture Compatibility

3. Sony SEL057FEC 16mm f/3.5-22 Fisheye Converter Lens for Mirrorless Cameras

Feature

Converts 28mm Lens to 16mm Fisheye
35 mm full-frame.180 degree Angle of View
Transmits EXIF Data to Camera
Built-In Petal-Type Lens Hood

4. Sigma Mount Converter MC-11 For Use With Canon SGV Lenses for Sony E

Feature

offered in both SA-Sony FE and Canon EOS EF-Sony FE version
offers full electronic control of the lens, including autofocus and aperture selection
Support for both in len optical stabilizer or in camera shake reduction
PLEASE NOTE: Kindly refer the User Manual and Instructional Video before use which is highly essential.
VERY IMPORTANT: Kindly check Technical Specification for compatibility chart.

5. VILTROX EF-M2 II AF Auto Focus Lens Mount Adapter with 0.71X Reducer Speed Booster Converter Compatible for Canon EF Mount Lens to M4/3 Camera Panasonic and Olympus

Feature

CompatibilityVILTROX EF-M2 II Lens Mount Adapter Allow for Canon EF mount series lens to be used on M4/3 camera. Panasonic : GH5S/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.
Support AF Auto Focus FunctionViltrox EF-M2II lens adapter comes with the gold-plating contact, which can help to connect your Canon EF mount series lens to M4/3 Cameras, auto focusing perfectly.
Support Aperture Control and 0.71x Focal Reducer Booster Designed with internal aperture motor, you can adjust the aperture from camera end directly to control the lens actual aperture. Plus 0.71 based on the original focal length , which help enlarge 1 level aperture.
EXIF signal transmitting & IS FunctionEF-M2 II can transmit the EXIF signals to your camera and display the current information on the screen.( like Aperture, Shutter Speed, Exposure parameters, etc. ),and with Built-in IS function, making your focus much more precise and clear.
USB Firmware UpgradeEquipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.

6. Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Leica L)

Feature

Attaching the MC-21 to your collection of Sigma Canon EF mount compatible lenses allows them to be used as L-Mount system lenses.
29 interchangeable lenses available to be used for L-Mount cameras (as of April 2019).
High precision AF photography in AF-S mode is achieved. Information such as lens type, focal length, F number, and other tags are embedded as Exif data in each image file.
Whether the mounted lens is compatible or not is instantly visible from the color and the on/off of the MC-21's built-in LED. The LED also notifies the user when a lens firmware update is available.
Equipped with a socket for attaching the tripod. Lenses not equipped with a tripod socket can be used by mounting the tripod to the MC-21.

7. Telephoto Lens Extender C-AF 2XII Teleplus Auto Focus Tele-Converter Lens for Canon EF Mount Lens n DSLR Camera 7D 6D 7DII 80D 5D2 5D3 5DS 5DSR 1DMark I/II/III/IV 1DS Mark I/II/III 1DX

Feature

C-AF 2XII lens extender can make the focal length of all Canon EF lenses increased to 2 times while still delivering super quality image
Compatible for Canon EF Mount Lenses: only compatible with fixed focal length L-series lenses 100mm and above, as well as EF 70-200mm f/2.8L, EF 70-200mm f/2.8L IS, EF 70-200mm f/4L and EF 100-400mm f/4.5-5.6L
Support AF (Auto-Focus) function of original lens and Exif information wont be affected; micro USB port for firmware upgrade so as to be compatible with more new cameras and lenses
7 optical glasses, 4 groups; the depth of field is half of the original lens; good helper for long distance photography, especially for travel /kids activity/birds photography
Highly not recommended to use this tele extender if the focal length less than 60mm; please read the user maul for more detailed information

8. Fringer EF-FX PRO II Fuji Auto Focus Mount Adapter Built-in Electronic Aperture Automatic Converter for Canon EOS EF Lens to Fujifilm X-Mount X-T3 X-T4 X-Pro3 X-T200 X-A7 X-T100 XT30 XH1 XE XT2 X-Pro2

Feature

FringerThe 2nd generation{canon ef to fuji x adapter}! EF-FX PRO2 version, (used on Fujifilm FX Mirroless Cameras), Redesigned aperture ring for more convenient operation; New MCU (more powerful, more resources for firmware update); Better light absorbing design; lens bayonet is made of brass,camera bayonet is made of alloy
Electronic aperture ringFOR PRO VERSION ONLY, just like XF lenses, each small step is 1/3 stop and the final position after the smallest aperture is 'Auto'
Fast PDAFDEMO OF X-T2 AND SIGMA 85/1.4 ART; AF-S (central AF point), AF-S (side AF point) and AF-C Note: AF performance varies under different light conditions and for different lens models
FAST AND ACCURATE PDAF! Only on cameras with X-Trans II & III CMOS
EXIF recordedALL LENS INFORMATION; Lens model; Focal length; Aperture setting; Support Image Stabilizer functions of EF mount lenses, almost not any extra vignetting. A great smart adapter

9. Swebo 4th Generation S101715 Lens Scope Converter for Canon Lens

Feature

Very small size
Camera lens into a telescope or a microscope
Support Canon EF or EFS lens(excluding a Mirrorless camera lens)
Prism system for forming erect images first adopt total reflection optical design
Eyepiece can be fine-tuned

10. Sigma MC-11 Mount Converter/Lens Adapter Canon EF to Sony E Bundle with 64GB Memory Card, IR Remote, Card Reader, Memory Card Case, Tabletop Tripod, Microfiber Cloths

Feature

This Sigma MC-11 Mount Converter/Lens Adapter comes with all the manufacturer accessories and a 4-year USA warranty along with a 16-piece Bundle which includes a SanDisk Extreme 64GB Memory Card, Card Reader, Card Case, Table Top Tripod, Lens Pen, Dust Brush, Air Blower, 3"x5" Lens Tissues (50), Empty Bottle, Standard Microfiber Cloths (2), Large Microfiber Cloth, Lens Cap Keeper
FOR USE WITH - Select Sigma Art, Contemporary and Sport Canon EF-Mount lens on Sony E-Mount Cameras.
FULL PERFORMANCE - Including autofocus and auto-exposure, as well as in-camera correction technologies. An integrated LED can be used to display select Sigma lens compatibility with the adapted camera body, and the adapter also supports in-camera image stabilization.
HIGH IMAGE QUALITY - The interior of the adapter is flocked to reduce reflections, and it also retains full Exif data to benefit post-production and file management.
COMPATIBILITY - All Sony mirrorless digital cameras including APS-C and full frame a9, a7R, a7S, a7, a6600, a6500, a6400, a6300, a6100, a6000, a5100, a5000, a3000 and other E-Mount Digital Cameras.

Conclusion

By our suggestions above, we hope that you can found the best converter lens for you. Please don't forget to share your experience by comment in this post. Thank you!