Top 20 Best K Mount To Eos Reviews & Comparison [Ultimate Guide]

The future of the best k mount to eos is here, and we’ve got all the best picks for 2024. We have compiled 58377 reviews from top experts that led us to these 20 devices on the list.

The Best K Mount To Eos Deals This Week: 

Bestseller No. 1
PHOLSY Lens Mount Adapter PK to EF-M Compatible with Pentax K PK Lens to Canon EF-M (EOS M) Camera Body EOS M, M2, M3, M5, M6, M10, M50, M100, M200, M50 II, M6 II, PK to EOSM
  • 【One adapter, so many options】Compatible with Pentax K PK mount lens, Compatible with Canon EF-M (EOS M) mount cameras. Using the PHOLSY adapter, you can mount the PK-lens on your digital EF-M (EOS M)-camera instead of the EF-M (EOS M)-lens
  • 【No loss of image quality or speed】Infinity focus allowed. There is no electronic contacts or glass inside of this lens adapter, so have to manually adjust all settings (no autofocus) and no need to worry about optic degradation of your lenses. Connected lenses retain all of their superb image quality with no loss of brightness, contrast or speed
  • 【New exterior design, solid & durable】Aesthetics and streamlined exterior design means comfortable shooting in any direction, including vertically. The adapter, with Difficult-To-Machining tooth design, matched the nice look of your cameras and lenses. Built from aviation grade aluminum and magnesium alloy, the MOUNT ADAPTER is strong and lightweight with a durable finish, really very resistant and performing for vintage lenses
  • 【Precisely matched】The lens mount adapter compatible with Canon EF-M (EOS M) mount cameras is well constructed and makes a tight fitting connection to the lens and camera body, to preserve the performance of pro-level cameras and lenses. And it makes a precise fit with the camera and lens, crucial for meticulous performance. Attaches and detaches to the camera body smoothly and cleanly. No light leakage. Keep using the lenses you love with the most innovative camera bodies available
  • 【Clever design】Easy to mount and dismount. Travel lighter, use one set of lenses with two camera bodies. Best of new and old, use vintage lenses with your digital camera.【Note】You must set in the camera menu to "shoot with no lens attached"
Bestseller No. 2
Fotasy Copper PK Lens to Cannon EOS RF Mount Adapter, K-mount EOS R Adapter, Adapter for Pentax K Mount Lense, Compatible with Canon EOS R Mirrorless Camera EOS R RP Ra R3 R5 R6 R7 R10
  • PK EOS R Adapter, K Mount EOS RP Adapter, allows Pentax K Mount lens to fit on Cannon EOS RF Mount Mirrorless Camera
  • Infinity Focus Guaranteed. Copper Lens Mount, Solid and Durable
  • Pls Note: Adapter does NOT compatible with Cannon EF / Efs Mount DSLRs
  • There is no electrical contacts in the adapter ring Exposure and focus has to be adjusted manually Automatic diaphragm auto-focusing or any other functions will not operated with using this adapter
  • PK EOS RF Adapter, PK RF Adapter, compatible with Canon EOS R Mirrorless Camera EOS R RP Ra R3 R5 R6 R7 R10
Bestseller No. 3
K&F Concept Updated NIK to EOS Adapter, Manual Lens Mount Adapter for Nikon F/AI Mount Lens and Canon EOS EF EF-S Mount Camera
  • 【Function】 You can mount Nikon F/AF AI AI-S Lens to EF EF-S Mount Cameras
  • 【Material】 All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection;
  • 【Features】 Supports manual control, manual focus, manual exposure and focus to infinity; Red dot mark, high precision, easy to install and remove;
  • 【Cameras Compatibility】: 1d/1ds, Mark II, III, IV, X, C, 5D, 5D Mark II/III 7D, 10D, 20D, 30D, 40D, 50D, 60D, 60Da, Rebel xt, xti, xs, xsi, t1i, T2i, T3, T3i, T4, 300D, 350D, 400D, 450D, 500D, 550D, 1000D.
  • 【Note】 When using the adapter ring for the first time, please turn on the option "Release the shutter without lens" in the fuselage menu, otherwise the lens will not be recognized and the shutter cannot be taken to take pictures.
Bestseller No. 4
K&F Concept Lens Mount Adapter for EOS EF/EFS Lens to FujiFX Mount X-Pro1 X Camera X-Series Mirrorless Cameras with Matting Varnish Design
  • 【Function】 With this adapter, you can use EOS EF / EFS Lens on a Fuji FX Mount Camera body, such as X-Pro1 X-E1 X-E2 X-A1 X-M1 X-T1.
  • 【Features】 Supports manual control, manual focus, manual exposure and focus to infinity; Red dot mark, high precision, easy to install and remove;
  • 【Material】 All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection;
  • 【Cameras Compatibility】 Compatible with Fuji FX Mount Camera X-Pro1 X-E1 X-E2 X-A1 X-M1 X-T1.
  • 【Note】 When using the adapter ring for the first time, please turn on the option "Release the shutter without lens" in the fuselage menu, otherwise the lens will not be recognized and the shutter cannot be taken to take pictures.
Bestseller No. 5
Haoge Manual Lens Mount Adapter for Pentax K PK Lens to Canon RF Mount R5 R6 Camera Such as Canon EOS R RP
  • Manual Lens Adapter for Pentax K PK Lens to Canon RF mount Cameras
  • Compatible with Lens: Pentax K PK Lens
  • Compatible with Camera: Canon RF mount Cameras EOS R RP…
  • There are no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually.
  • Shoot with manual mode or aperture priority mode.
Bestseller No. 6
K&F Concept Pro Lens Mount Adapter Compatible for Canon FD FL 35mm SLR Lens to Canon EOS (EF, EF-S) Camera, Compatible with Canon 1D, 1DS, Mark II, III, IV, Digital Rebel T5i, T4i, T3i, T3
  • Mounts Canon FD & FL 35mm SLR lenses to Canon EOS (EF, EF-S) Mount SLR Cameras; infinity focus or beyond guaranteed
  • Built-in multi-coated focusing correction lens.Supports manual control, manual focus, manual exposure.
  • Please note: It is not same between Canon FD mount and EF mount, this fd to ef adapter ring is only for Canon FD mount lens, please contact us if you want to purchase for Canon EF mount lens.
  • Compatible Cameras (including, but not limited to): EOS 10D, 20D, 20Da, 30D, 40D, 50D, 60D, 60Da, 70D, 80D, 90D, EOS 5D/II/III/IV, 5DS/R, 6D/II, 7D/II, 1D/II/IIN/III/IV, 1Ds/II/III, 1D C, 1D X/II, EOS Rebel, XT, XS, T1i-T7i, SL1, SL2, SL3, Blackmagic Pocket Cinema Camera 6K (Canon EF), Z CAM E2-S6 Super 35 6K, E2-F6 Full-Frame 6K,E2-F8 Full-Frame 8K Cinema Cameras.
  • Please note: Infinity focus position:the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity.
Bestseller No. 7
K&F Concept Lens Mount Adapter EOS-NEX IV IV Manual Focus Compatible with Canon (EF/EF-S) Lens and Sony E Mount Camera Body, Not Auto-Focus
  • 【 MANUAL ADAPTER 】This is Manual adapters without electronic contacts, which therefore don't support auto-focus or aperture control. You need to manually adjust focus and exposure settings; infinity focus allowed.
  • 【Unique Design】The appearance of the 4th generation lens mount adopts a twill knurled design, and the key points are treated with non-slip, making it easier and more comfortable to hold. On the other hand, the fine carving of CNC machining enhances the texture.
  • 【Camera Mount】 Compatible for Sony E-Mount mount cameras, include Sony Alpha α7 I / II / III, α7R I / II / III / IV, α7S I / II / III, α9 I / II, α1, Smartshot QX1, QX10, QX30, QX100, NXCAM NEX-EA50, NEX-FS100, NEX-FS700, NEX-FS700R cameras etc.
  • 【 Material】High-quality copper and aluminum alloy ;High precision and durable, Install and remove smoothly; Matting varnish inside to avoid light reflection;
  • 【Pre-purchase Verification】 Please ensure your lens mount and camera mount before purchase in case of unnecessary returning. We are here for help if you have any question about adapters.
Bestseller No. 8
K&F Concept Lens Mount Adapter Manual Focus Compatible for Canon EOS (EF/EF-S) D/SLR Lens to Sony Alpha E NEX Mount Mirrorless Cameras with Matting Varnish Design, Not Auto-Focus
  • 【 Function】You can mountCanon EOS (EF / EF-S) D/SLR Lens to Sony NEX Alpha E-mount mirrorless cameras; Canon STM series lenses don't work with our EOS adapters.
  • 【 Material】All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection;
  • 【 MANUAL ADAPTER 】This is Manual adapters without electronic contacts, which therefore don't support auto-focus or aperture control. You need to manually adjust focus and exposure settings; infinity focus allowed.
  • 【 Cameras Compatibility】Compatible for Sony Alpha E-mount Cameras: Sony Alpha α7, α7R, α7S, α7 II, α7R II, α7S II Sony Alpha α3000, α5000, α6000, α6300, α6500,α3500, α5100, αQX1, PXW-FS7 Sony NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, NEX-5T ,NEX-6, NEX-F3, NEX-3N Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50 etc
  • 【 Verify Your Lens and Camera Mount】You can find your lens/camera mount in the len's/ camera's original user manual. Or find your lens/camera on the manufacturers' website and under the product specifications look for “mount type” before order; If you want to change the aperture, you have to remove the ring and make an aperture adjustment in camera. If you don't change it, it always defaults to working at maximum aperture.
Bestseller No. 9
K&F Concept Lens Adapter Compatible for Canon EOS (EF/EF-S) D/SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body with Matting Varnish Design
  • 【 Function】You can mount Canon EOS (EF / EF-S) D/SLR Lenses to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body.
  • 【 Material】All-metal design; hardened anodized aluminum construction,matting varnish inside to avoid light reflection.
  • 【 Features】Supports manual control, manual focus, manual exposure and focus to infinity.
  • 【 Cameras Compatibility】Olympus PEN E-PL1, E-PL1s, E-PL2, E-PL3, E-P2, E-P3, E-M, OM-D, E-M5, E-M10 Panasonic Lumix DMC-G1, G2, G3, G10, GX1, GH1, GH2, GF1, GF2, GF3, GF5, GH4 Panasonic AG-AF100 Mirrorless Digital Cameras Black Magic Pocket Cinema Camera (BMPCC).
  • 【 Verify Your Lens and Camera Mount】You can find your lens/camera mount in the len's/ camera's original user manual. Or find your lens/camera on the manufacturers' website and under the product specifications look for “mount type”.
Bestseller No. 10
K&F Concept Lens Mount Adapter Compatible for M42 Screw Mount SLR Lens to Canon EOS R Camera Body
  • 【 Material】High-quality copper and aluminum alloy ;High precision and durable.
  • 【Features】Red dot mark, accurate alignment, Install and remove smoothly;
  • 【Manual Focus】Full manual control, Diaphragm control of the lens is set manually. Supports manual control, manual focus, manual exposure and focus to infinity;
  • 【Please note】 when using the adapter ring for the first time, please turn on the “release shutter w/o lens”option in the menu, otherwise the adapter lens will not be recognized.
  • 【Pre-purchase Verification】 Please ensure your lens mount and camera mount before purchase in case of unnecessary returning. We are here for help if you have any question about adapters.

Bottom Line about K Mount To Eos

When you purchase k mount to eos, it’s important to consider whether or not the item will actually serve its purpose. Sometimes we may think that an acquisition is necessary when really there are other options available at a lower cost, which would suffice just as well with no loss in value–reviewing these alternatives beforehand can help avoid wasting money on unnecessary purchases later down the line. 

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