Lens Mount Adapters

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Canon Control Ring Mount Adapter EF-EOS R

Canon Control Ring Mount Adapter EF-EOS R

B&H # CAMAEFRFCR MFR # 2972C002
Key Features
  • Canon EF/EF-S Lens to EOS R Camera
  • Maintains AF and Image Stabilization
  • Configurable Control Ring
  • Dust- and Water-Resistant
$19900
In Stock
Vello Canon EF/EF-S Lens to Sony E-Mount Camera Auto Lens Adapter

Vello Canon EF/EF-S Lens to Sony E-Mount Camera Auto Lens Adapter

B&H # VELAESECEF MFR # LAE-SE-CEF
Key Features
  • Canon EF/EF-S Lens to Sony E Camera
  • Works with Full-Frame & APS-C Formats
  • Enables Autofocus and Auto Exposure
  • Supports USM and STM Focusing Motors
$9900
In Stock

Nikon FTZ II Mount Adapter

B&H # NIFTZ2 MFR # 4264
Key Features
  • Nikon F Lens to Nikon Z-Mount Camera
  • Streamlined Design with No Tripod Mount
  • Ideal for Cameras with Battery Grip
  • Maintains AF/AE with E, G, D Lenses
$24995
In Stock

Vello Canon FD Lens to Canon EF/EF-S-Mount Camera Lens Adapter

B&H # VELACEFCFD MFR # LA-CEF-CFD
Key Features
  • Canon FD Lens to Canon EF/EF-S Camera
  • Coated Optical Glass Element
  • Infinity Focus
  • Matte Black Interior
$3395
In Stock

Canon Mount Adapter EF-EOS R

B&H # CAMAEFRF MFR # 2971C002
Key Features
  • Canon EF/EF-S Lens to EOS R Camera
  • Maintains AF and Image Stabilization
  • Dust- and Water-Resistant
$9900
In Stock
Other Buying Options
Similar Item for $89.95

Sigma MC-11 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Sony E)

B&H # SIMC11C MFR # 89E965
Key Features
  • Adapt EF-Mount Lens to Sony E Body
  • Integrated LED Displays Compatibility
  • Maintains Autofocus and Auto-Exposure
  • Supports In-Camera Correction Features
$17400
Reg. $249.00
Holiday Savings $75.00
In Stock

Viltrox EF-M2 II Canon EF Lens to Micro Four Thirds Camera Mount Adapter

B&H # VIEFM2II MFR # EF-M2 II
Key Features
  • Canon EF Lens to MFT Camera
  • Built-In Focal Reducer, 0.71x Mag.
  • One-Stop Increase in Lens Aperture
  • Maintains AF, AE, and IS Functions
$14900
In Stock

Metabones Canon EF/EF-S Lens to Sony E Mount T Smart Adapter (Fifth Generation)

B&H # MEMBEFEBT5 MFR # MB_EF-E-BT5
Key Features
  • Canon EF/EF-S Lens to Sony E-Mount Body
  • Works with Full-Frame and APS-C Cameras
  • Switch for In-Body Image Stabilization
  • Support for Phase- & Contrast-Detect AF
$39900
In Stock
Other Buying Options

Canon Drop-In Filter Mount Adapter EF-EOS R with Variable ND Filter

B&H # CAMAEFRFDIND MFR # 3443C002
Key Features
  • Canon EF/EF-S Lens to EOS R Camera
  • Maintains AF and Image Stabilization
  • Includes Drop-In Variable ND Filter A
  • Dust- and Water-Resistant
$39900
In Stock

Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera)

B&H # SIMC21C MFR # 89E969
Key Features
  • EF-Mount Lens to L-Mount Body
  • Integrated LED Displays Compatibility
  • Maintains Autofocus and Auto-Exposure
  • Supports In-Camera Correction Features
$17400
Reg. $249.00
Holiday Savings $75.00
In Stock

Sony LA-EA5 A-Mount to E-Mount Adapter

B&H # SOLAEA5 MFR # LA-EA5
Key Features
  • A-Mount Lens to E-Mount Body
  • Maintains Autofocus and Auto-Exposure
  • Supports In-Camera Correction Features
  • Compatible with Phase-Detection AF
$22800
Reg. $248.00
Save $20.00
In Stock

Viltrox EF-EOS M Lens Mount Adapter for Canon EF or EF-S-Mount Lens to Canon EF-M-Mount Camera

B&H # VIEFEOSM MFR # EF-EOS M
Key Features
  • Canon EF or EF-S-Mount Lens to Canon EF-M-Mount Camera
$3699
In Stock

Fringer EF-FX Pro II Lens Mount Adapter for EF- or EF-S-Mount Lens to Fujifilm X-Mount Camera

B&H # FRFX2 MFR # FR-FX2
Key Features
  • Use Canon EF/EF-S Lens on Fuji X-Mount
  • Built-In Electronic Aperture Adjustment
  • Phase-Detection Auto Focus Supported
  • Brass Bayonets
$34900
In Stock

Megadap ETZ21 Sony E-Mount Lens to Nikon Z-Mount Autofocus Adapter

B&H # MEETZ21 MFR # ETZ21
Key Features
  • Sony E-Mount Lens to Nikon Z-Mount Body
  • Supports Electronic Communication
  • Enables Autofocus and Auto Exposure
  • Transfers EXIF Metadata to Camera
$24900
In Stock

FotodioX Mount Adapter for Nikon F-Mount Lens to Sony E-Mount Camera

B&H # FONIKFSNYE MFR # NIKF-SNYE
Key Features
  • Nikon F Lens to Sony E-Mount Camera
  • Supports Infinity Focus
  • Anodized-Aluminum Construction
$2495
In Stock

Techart PRO Leica M-Mount Lens to Sony E-Mount Camera Autofocus Adapter (Version II)

B&H # TELMEA9 MFR # LM-EA9
Key Features
  • M-Mount Lens to Sony E-Mount Camera
  • Autofocus Adapter for Manual Lenses
  • Powerful Motor Supports Heavier Lenses
  • Bulge-Less Design Accommodates Tripods
$39900
In Stock

Monster Adapter LA-FE1 Magic Ring Nikon F Lens to Sony E-Mount Camera Adapter

B&H # MONFSEA MFR # LA-FE1
Key Features
  • Nikon F Lens to Sony E-Mount Camera
  • Supports Nikon F AF and AE Control
  • Supports Electronic Communication
  • Supports Infinity Focus
$32900
In Stock

Fringer FR-FTX1 Nikon F Lens to FUJIFILM X Camera Adapter

B&H # FRFTX1 MFR # FR-FTX1
Key Features
  • Nikon D,G,E lenses to FUJIFILM X Cameras
  • Phase Detect AF Points Supported
  • Face/Eye Detection Autofocus Supported
  • R/OS/VC Lens Stabilization Supported
$34900
In Stock

Metabones Canon EF Lens to RF-Mount T CINE Speed Booster Ultra 0.71x Adapter (EOS-R)

B&H # MESPEFEFRBT2 MFR # MBSPEF-EFR-BT2
Key Features
  • Makes Lens 0.71x Wider
  • Aluminum Alloy and Brass Construction
  • Satin Surface Finish
  • Positive-Lock EF Lens Mount
$52900
In Stock

FotodioX Mount Adapter for Nikon F-Mount Lens to Canon EOS Camera

B&H # FONIKFEOS MFR # NIKF-EOS
Key Features
  • Nikon F Lens to Canon EOS Camera
  • Supports Infinity Focus
  • Anodized-Aluminum Construction
$1995
In Stock

FotodioX Pro Lens Mount Adapter for Nikon F Lens to Canon EF-Mount Camera

B&H # FOPCEANF MFR # NIKF-EOS-PRO
Key Features
  • Nikon F Lens to EF-Mount DSLR
  • Maintains Infinity Focus
  • Leaf Spring Mount Design
  • Brass with Stainless Steel Finish
$4495
In Stock
Similar Item for $29.95

Canon EF-M Lens Adapter Kit for Canon EF / EF-S Lenses

B&H # CALA MFR # 6098B002
Key Features
  • Mount Canon EF/EF-S Lens On EOS-M Camera
  • Compatible with All Lens Functions
  • Camera Cover R-F-3, EB Lens Dust Cap
$17900
In Stock
Other Buying Options
Similar Item for $59.95

Vello Canon FD Lens to Sony E-Mount Camera Lens Adapter

B&H # VELANEXFD MFR # LA-NEX-FD
Key Features
  • Canon FD Lens to Sony E Camera
  • Infinity Focus
  • Matte Black Interior
  • Zinc Alloy Construction
$2250
In Stock

FotodioX Pro Mount Adapter for Pentax 645 Lens to Fujifilm G-Mount Camera

B&H # FOP645AGFXPR MFR # P645A-GFX-PRO
Key Features
  • Pentax 645 Lens to Fujifilm G Camera
  • Integrated De-Clicked Aperture Control
  • Supports Infinity Focus
  • All-Metal Construction
$15495
In Stock

Metabones Canon EF/EF-S Lens to Sony E Mount T CINE Smart Adapter (Fifth Generation)

B&H # MEMBEFEBT6 MFR # MB_EF-E-BT6
Key Features
  • Canon EF/EF-S Lens to Sony E-Mount Body
  • Positive-Lock Canon EF/EF-S Lens Mount
  • Works with Full-Frame and APS-C Cameras
  • Switch for In-Body Image Stabilization
$44900
In Stock

Leica M-Adapter L (Black)

B&H # LEMATB MFR # 18771
Key Features
  • Leica M Lens to Leica L-Mount Camera
  • 6-Bit Coding Sensor
  • Supports Aperture-Priority Metering
$45000
In Stock
Other Buying Options

Canon Drop-In Filter Mount Adapter EF-EOS R with Circular Polarizer Filter

B&H # CAMAEFRFDICP MFR # 3442C002
Key Features
  • Canon EF/EF-S Lens to EOS R Camera
  • Maintains AF and Image Stabilization
  • Includes Drop-In Circular Polarizer A
  • Dust- and Water-Resistant
$29900
In Stock
New Release

Fringer Nikon F to FUJIFILM GFX Lens Adapter

B&H # FRNFTG1 MFR # FR-NFTG1
Key Features
  • Use F-Mount Lenses on GFX-Mount Camera
  • Supports Electronic Communication
  • Transmits Exif Data
  • Supports VR and IBIS
$49900
In Stock

Metabones T Speed Booster XL 0.64x Adapter for Full-Frame Canon EF-Mount Lens to Select Micro Four Thirds-Mount Cameras

B&H # MESPEFM43BT3 MFR # MB_SPEF-M43-BT3
Key Features
  • Canon EF Lens to Micro 4/3 Body
  • Full-Frame Lens to Micro 4/3 Camera Body
  • Supports In-Camera Aperture Control
  • 0.64x Micro 4/3 Crop Factor Compensation
$64900
In Stock
Other Buying Options

FotodioX Pro Lens Mount Adapter for M42 Lens to Canon EF-Mount Camera

B&H # FOPCEAM42 MFR # M42-EOS-PRO-V2
Key Features
  • M42 Lens to EF-Mount DSLR
  • Maintains Infinity Focus
  • Leaf Spring Mount Design
  • Brass with Stainless Steel Finish
$1495
In Stock
Similar Item for $10.95

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Understanding and Selecting Lens Adapters

You use a lens adapter to fit a lens of another make or mount onto your camera. This feature means you can continue to use your older lenses when you upgrade from one camera to another.


What's a Lens Adapter?

Each camera manufacturer has its own proprietary bayonet fitting for attaching lenses to its cameras. Apart from the mechanical connection, lenses also incorporate a set of electrical contacts that communicate with a processor inside the lens to control focusing, lens stabilization, and aperture.

This degree of complexity means lenses must be designed for one specific camera mount, such as a Nikon, Sony, or Canon lens mount. One exception: lenses with a special screw thread intended for camera T-mount adapters. These are manual lenses such as spotting scopes and telescopes. Although an adapter may have a lens, it's not the same as camera add-on lenses that screw onto the front of existing lenses to change their focal length.


How Lens-to-Sensor Distance Affects Adapters

Each camera manufacturer has a specific flange focal distance, meaning the distance between the lens mount and sensor. When fitting lenses from other manufacturers, the adapter must replicate this distance or, if the flange distance is too short, use an auxiliary lens to focus the image correctly. If not, it'll be impossible to focus on distant objects. This is why a Sony-to-Nikon lens adapter has an auxiliary lens, as does a Sony-to-Canon lens adapter. In addition, some lenses protrude into the camera body, so make sure they don't foul the mirror mechanism or camera body.


Focus and Aperture Control with Lens Adapters

In most, but not all instances, an adapter disrupts the electronic communication between the camera and lens, so features such as automatic focusing, aperture control, and electronic stabilization don't work. While manual focus is possible, unless the lens also has an aperture ring, you can't adjust the aperture, which defaults to its maximum. Some adapters incorporate a dandelion electronic chip that tells the camera you're using an adapter. This allows the camera to confirm the correct focus as it would if you were manually focusing with an OEM lens.

If you have a mirrorless camera and a DSLR from the same manufacturer, you can obtain OEM adapters that provide full lens functionality. A good example is the Sony lens adapter that allows you to mount a Sony A-mount lens to its mirrorless E-mount. Note that you can adapt a DSLR lens to a mirrorless camera, but you can't fit a mirrorless lens on a DSLR.


Choosing a Lens Converter

There are a number of companies selling lens adapters. Some, such as Vello lens adapters, offer a comprehensive selection covering most combinations, while others are more specialized. Apart from adapters for still cameras, several suppliers offer C-mount adapters for cine cameras. 


Find the combination you need from the wide selection at B&H Photo and Video.