KnightX Professional  Phone Camera Macro Lens CPL Star Variable ND Filter all smartphones 37mm 52mm 55mm 58mm For canon nikon
ID: 72516

KnightX Professional Phone Camera Macro Lens CPL Star Variable ND Filter all smartphones 37mm 52mm 55mm 58mm For canon nikon

4.9 (484 votes) | 942 orders
Price: US $16.36 / piece
Discount Price:
US $ 9.95 / piece


37MM Phone Camera Lens Clip
The Inner Hole Is 32mm, Which Can Fit Most Mobile Phones and Tablets on The Market
Material: ABS+aluminum Alloy Thread To Ensure Better Service Life
Interface Size: M37mm*P0.75


37MM Phone holder + ring
The Inner Hole Is 32mm, Which Can Fit Most Mobile Phones and Tablets on The Market
Material: ABS+aluminum Alloy Thread To Ensure Better Service Life
Interface Size: M37mm*P0.75
This 37MM-40.5MM Adapter Ring,  It Can Add 40.5mm Camera Filters

This 37MM-49MM Adapter Ring, It Can Add 49mm Camera Filters
This 37MM-52MM Adapter Ring,  It Can Add 52mm Camera Filters

This 37MM-55MM Adapter Ring, It Can Add 55mm Camera Filters
This 37MM-58MM Adapter Ring,  It Can Add 58mm Camera Filters
or 37mm Camera Filter Directly


Star filter
Star filter,or Cross Screen filter, creates a star pattern, in which lines radiate outward from bright objects.
Star filter adds a dramatic cross flare to very bright areas.
ldeal for photographs of night scene and ladies wearing jewellery or other objects with strong reflections.
Specification:High quality optical glass for digital camera Serve to add special effects on digtital photo Add a dramatic eight-cross flare to very bright areas,
giving a soft-focus effect Great for photographing jewelry, crystals, candles or other lighting special effects
This filter has a single layer of coating applied to both surfaces to suppress reflection and increase light transmission
It is ideal for photographing ladies wearing jewelry or for creating a dazzling effect enhancing the strong reflections off of objects
Material:Optical Glass



Close Up

Taking close up pictures of smal objects and details of a small area is normally not possible with the standard Lens.
This is because the standard lenses have a minimum focussing distance. after this point, if you move closer, the focus will be lost.
This closeup lens will help you to overcome that problem. Just screw this Macro closeup attachment lens to your standard lens.
now you can taking unbelievable picturs with your Lens.
Material:Optical Glass

Neutral Density (ND) filters can reduce the intensity of light without appreciably changing its color.
Classic ND filters have different f-stop reduction numbers and transmittance thus generated can be applied for different shooting conditions,
such as portraiture, water falls, fountain etc.
This Fader ND is a compact all-in-one variable neutral density filter that adjusts the amount of light reduction with just the twist of your wrist.
The index marks on the filter let you know exactly the amount of reduction at a glance. Giving you clear and precise shots at whichever density you are using.
It is able to adjust neutral density freely from ND2 to ND1000.
You only need to carry one single filter with the same capability with ND2, ND4, ND8 ND16 ND32... and ND1000.
It offers you the freedom the create different neutral density freely.
Material:Optical Glass



CPL Filter

Removes unwanted reflections from non-metallic surfaces such as water or glass
Increases color and contrast by reducing reflections from non-metallic surfaces by cutting
Improves clarity of distant objects
Foliage is richer, skies bluer
Material:Optical Glass


  • Brand Name: KnightX
  • Type: Color Filter
  • Origin: CN(Origin)
  • Model Number: 37-58mm
  • Package: Yes


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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