K&F CONCEPT delivers around 300 types of lens adapter rings, making different sizes of lenses and cameras smoothly compatible. With a professional design and craftsmanship, our lens adapter rings allow professionals to renew old lens. Staying connected to all your powerful tools has never been this easy.
NiK Screw Mount SLR Lens.
Sony E-Mount Mirrorless Cameras - Popular models include:
Note:
The position of the infinity mark [∞] of the 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.
The adapter is an important part to attach and use the lens and camera body. When attaching a lens or camera body to this product, it can be attached and detached with a feel similar to that of a genuine combination. It will be easy to put on and take off. As the number of pixels in digital cameras increases, the accuracy of the adapter tends to affect the shooting results, so we recommend a high-precision adapter that you can use.
Premium Material
All-metal design, hardened anodized aluminium construction; Brass Bayonets on both Lens and camera sides provide rugged flexibility, easy to mount and remove.
Matte Paint
In order to remove the reflection of light, an effective matte coating is applied to the inside. Careful matting treatment will bring out the original lens performance.
K&F Concept is a brand integrating R&D, production and sales. The R&D products include tripods, filters, adapter rings, telescopes, camera bags and other optical products and accessories, as well as body fat scales, aromatherapy machines and other smart home products. With more than 150 patents, it sells well in 56 countries and regions, and has won international product awards.
K&F Concept is committed to providing the best solutions for photography travel for photographers around the world. With rich experience accumulated over the years, excellent manufacturing technology and perfect supply chain, it has developed into one of the leading brands in the photographic equipment industry and ranks among the top 5 brands in Europe.
1.We accept PayPal, MasterCard, Visa, American Express and Google Pay.
2.Payment must be received within 7 business days of auction closing.
1. Address Policy:
We ship to your eBay address. Please make sure your eBay address is correct before paying.
If you have entered the wrong name or shipping details, please initiate a cancellation request as soon as possible. If we do not issue the product, we will refund you, and you can place a new order after modifying the address;
If we have shipped the product, then you need to contact the logistics to reject the product, and we will refund you when the product is returned to our warehouse. We are not responsible for these changes if the buyer makes a typo.
2. Delivery time:
Items will ship within 1 business day after we receive payment.
3. delivery time:
Depends on destination and other factors;What should I do if my item does not arrive within the estimated time?
First, contact your local post office to check if the package is being kept for you; log in to eBay to check your transaction, every order on eBay has a tracking number.
If still not received/found, please email us via eBay message that the item has not arrived. We will contact the courier and follow up with you and inform you of the outcome.
4. International buyers please note:
Import duties, taxes and charges are not included in the item price or shipping. These fees are the responsibility of the buyer. We will do our best to reduce tariff risk.
Refund Policy:
We have an experienced after-sales customer service team, you can contact us by email to help solve the problem, usually the problem can be solved without returning the item, saving you the inconvenience of having to return the item.
We hope you enjoy your purchase, however, if you change your mind and wish to return the product for any reason, please contact us.
The following are the return restrictions:
1. Return period
All sold items have a 30-day grace period. If it fails after 30 days but within the 12-month warranty, please contact us and we will repair, exchange or refund.
2. Product Requirements
If returning the product, you should return the product with the product box.
PLEASE NOTE: If a product is returned and the failure is found to be due to misuse, no product or postage will be refunded.
3. Time to receive refund or exchange
Returns: After the returned goods arrive at the warehouse, we will refund you within 24 hours.
Exchange: After the returned goods arrive at the warehouse, we will provide you with an exchange order number within 24 hours.
4. Contact information
You must contact us before sending it back and we can set up the return and forward your unique RMA return number and return address to you.
5. Warranty
All items sold include a 12-month warranty. If your item fails after the 30-day grace period, please contact us to arrange for a replacement item (if inventory allows). If your item is more than 1 month old, we will provide a repair service.
12 months warranty from date of purchase.
Support hours
Mon-Fri: 9:30am-6:00pm
If you have any questions, please feel free to contact us, we will reply to your message or email within 24 hours.






Copyright © 2013 K&F Concept, All rights reserved.








K&F CONCEPT delivers around 300 types of lens adapter rings, making different sizes of lenses and cameras smoothly compatible. With a professional design and craftsmanship, our lens adapter rings allow professionals to renew old lens. Staying connected to all your powerful tools has never been this easy.
NiK Screw Mount SLR Lens.
Sony E-Mount Mirrorless Cameras - Popular models include:
Note:
The position of the infinity mark [∞] of the 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.
The adapter is an important part to attach and use the lens and camera body. When attaching a lens or camera body to this product, it can be attached and detached with a feel similar to that of a genuine combination. It will be easy to put on and take off. As the number of pixels in digital cameras increases, the accuracy of the adapter tends to affect the shooting results, so we recommend a high-precision adapter that you can use.
Premium Material
All-metal design, hardened anodized aluminium construction; Brass Bayonets on both Lens and camera sides provide rugged flexibility, easy to mount and remove.
Matte Paint
In order to remove the reflection of light, an effective matte coating is applied to the inside. Careful matting treatment will bring out the original lens performance.
K&F Concept is a brand integrating R&D, production and sales. The R&D products include tripods, filters, adapter rings, telescopes, camera bags and other optical products and accessories, as well as body fat scales, aromatherapy machines and other smart home products. With more than 150 patents, it sells well in 56 countries and regions and has won international product awards.
K&F Concept is committed to providing the best solutions for photography travel for photographers around the world. With rich experience accumulated over the years, excellent manufacturing technology and a perfect supply chain, it has developed into one of the leading brands in the photographic equipment industry and ranks among the top 5 brands in Europe.
1.We accept PayPal, MasterCard, Visa, American Express and Google Pay.
2.Payment must be received within 7 business days of auction closing.
1. Address Policy:
We ship to your eBay address. Please make sure your eBay address is correct before paying.
If you have entered the wrong name or shipping details, please initiate a cancellation request as soon as possible. If we do not issue the product, we will refund you, and you can place a new order after modifying the address;
If we have shipped the product, then you need to contact the logistics to reject the product, and we will refund you when the product is returned to our warehouse. We are not responsible for these changes if the buyer makes a typo.
2. Delivery time:
Items will ship within 1 business day after we receive payment.
3. delivery time:
Depends on destination and other factors;What should I do if my item does not arrive within the estimated time?
First, contact your local post office to check if the package is being kept for you; log in to eBay to check your transaction, every order on eBay has a tracking number.
If still not received/found, please email us via eBay message that the item has not arrived. We will contact the courier and follow up with you and inform you of the outcome.
4. International buyers please note:
Import duties, taxes and charges are not included in the item price or shipping. These fees are the responsibility of the buyer. We will do our best to reduce tariff risk.
Refund Policy:
We have an experienced after-sales customer service team, you can contact us by email to help solve the problem, usually the problem can be solved without returning the item, saving you the inconvenience of having to return the item.
We hope you enjoy your purchase, however, if you change your mind and wish to return the product for any reason, please contact us.
The following are the return restrictions:
1. Return period
All sold items have a 30-day grace period. If it fails after 30 days but within the 12-month warranty, please contact us and we will repair, exchange or refund.
2. Product Requirements
If returning the product, you should return the product with the product box.
PLEASE NOTE: If a product is returned and the failure is found to be due to misuse, no product or postage will be refunded.
3. Time to receive refund or exchange
Returns: After the returned goods arrive at the warehouse, we will refund you within 24 hours.
Exchange: After the returned goods arrive at the warehouse, we will provide you with an exchange order number within 24 hours.
4. Contact information
You must contact us before sending it back and we can set up the return and forward your unique RMA return number and return address to you.
5. Warranty
All items sold include a 12-month warranty. If your item fails after the 30-day grace period, please contact us to arrange for a replacement item (if inventory allows). If your item is more than 1 month old, we will provide a repair service.
12 months warranty from date of purchase.
Support hours
Mon-Fri: 9:30am-6:00pm
If you have any questions, please feel free to contact us, we will reply to your message or email within 24 hours.





Copyright © 2013 K&F Concept, All rights reserved.