Kolari Drop-in Filters for Canon Telephoto Lenses

Kolari Drop-in Filters are specially designed filters that fit into the drop-in filter slot of Canon telephoto lenses. These filters include Neutral Density (ND) filters, Circular Polarizing (CPL) filters, and an empty version that allows you to insert your own 52mm filters.

These filters are compatible with Canon telephoto lenses that feature a drop-in filter slot, such as the Canon EF 300mm f/2.8L IS USM, Canon EF 400mm f/2.8L IS USM, and similar models. Please check the specific lens model to ensure compatibility.

The Kolari Drop-in Filter lineup includes Neutral Density (ND) filters, Circular Polarizing (CPL) filters, and an empty version that allows you to insert standard 52mm filters of your choice.

Kolari Drop-in Filters are made with high-quality optical materials, ensuring minimal impact on image sharpness, color accuracy, and overall quality. These filters are designed to maintain the integrity of your images while providing the desired effects.

If you are unsatisfied with your purchase for any reason, Kolari accepts returns on most products within 60 days of purchase. We can either provide exchanges in the form of store credit, which can be used sitewide, or we can issue full refunds via the method you originally used for payment. To be eligible for a full refund, the product must be in new, mint condition, including all original, undamaged packaging materials and accessories. Items that are damaged, dirty, dented, scratched, or missing major components may be denied for return. Kolari is not responsible for personal data or items left inside of returned merchandise. Prior Approval All returns must be pre-approved by Kolari before items are sent back. To initiate a return or exchange, please send an email to eu@kolarivision.com with your name, order number, and reason for return. Once the return has been approved, you will receive an RMA/packing slip that must be included in the return shipment. Unless the incorrect product was received or your product arrived damaged or defective, you are responsible for all return shipping costs. Kolari strongly recommends purchasing tracking and insurance when sending items. Kolari will not take responsibility for any returns lost or damaged in the mail. Damaged, Defective, or Incorrect Items It is important to thoroughly inspect all items upon delivery. If you receive a damaged, defective, or incorrect product, please email us at eu@kolarivision.com within 14 days of product delivery to file a claim. Once a claim has been filed, we will work with you to solve the problem. Non-returnable Items Orders outside the 60-day return period Damaged products not reported within 14 days of delivery Items no longer in like-new condition (scratched, damaged, dented, cracked, dirty) Products with missing accessories or packaging Digital items such as LUTs, presets, online courses, or photography software Converted cameras Custom items Used gear International Returns International customers or customers in U.S. territories are responsible for both return shipping and any duties associated with the return. Original shipping costs, import duties and taxes are also non-refundable. Shipping Fees Refunds do not include any shipping charges on the initial order. Items purchased with free shipping will still receive a full refund on the value of the item. The customer is responsible for all return shipping charges to send the product back to Kolari. Kolari cannot provide return labels at this time. Restocking Fee If any condition of the return policy listed above is not met, Kolari reserves the right to reject the return entirely or impose a restocking fee of 20% of the purchase price of the item, not including shipping. If a returned item is unopened or appears to be in brand-new condition, including packaging and accessories, the restocking fee will be waived.

At Kolari, we build our filters to last and have complete confidence in their performance. You will too with our 10-year warranty against defects. If you find something wrong with your filter, at any time, write us at eu@kolarivision.com and get your filter replaced under our warranty.