Return Policy:

All sales are final. 
Purchase of goods from ICSTARS LLC. represents a contract for sale of the item as stated in the item description of the internet shopping cart page.
Sales are non-cancellable for reasons such as "changed mind", or "found a better price elsewhere" or "budgetary reasons".

Exchanges are accepted on goods of equal or greater value if the item being exchanged is NEW condition in un-damaged packaging. 
Request for exchange must be submitted in writing by email to sales (at)
All exchanges under consideration require RMA number granted after consideration of exchange request.
Exchange is subject to inspection and certification of original item upon its receipt.
No goods shall be pre-shipped in exchange prior to receipt and inspection of the original item.

No returns shall be accepted on any item sold as pre-owned.
All used products offered are sold in as-is condition and at the buyer's own risk.

No returns or cancellations shall be accepted on custom-order or custom fabricated items.
Items which are custom fabricated or made-to-order shall be stated in item description prior to purchase.
These items include, but are not limited to:
• Optical Glass Energy Rejection Filters larger than 150mm clear aperture.
• Custom lenses or lens configurations
• Any custom fabricated item or device
• Printed media
• Digital downloads
• Printed paper products
• Clothing
• Eclipse glasses
• Bandpass filters of custom wavelength, bandpass or any other specification.
• Filter Wheel
• Items for special initiatives, one-time events and/or unique academic experiments.
• Any item with dated imprinting, insignia or logo(s)

Items under manufacturer's warranty are subject to terms and conditions stated within that warranty.
Items under manufacturer's warranty are not subject to return or exchange unless specifically stated in that warranty.
ICSTARS LLC can facilitate warranty service with manufacturer(s) on items which require service.
No advanced replacement shall be offered on warranty repairs. 

Returns are accepted at the sole discretion of ICSTARS, Inc.

Request for return must be submitted in writing by email to sales (at) within 30 days of purchase.
All returns under consideration require RMA number granted after consideration of return request.
Each request for return shall then be considered based on individual circumstances if not listed above if request has been submitted within 30 days of purchase. 
In no instance shall sale be cancellable or return accepted in any of the above listed exclusions.