Skip to content
This is the OFFICIAL Astronomy Plus Website. Be aware of Website Copy / Free Shipping in Canada for Orders Over 500 $ before txs.* Some exceptions may apply EXCEPTIONALLY CLOSED TO THE PUBLIC TO FULFILL ORDERS TUESDAY 20, WEDNESDAY 21, THURSDAY 22.
This is the OFFICIAL Astronomy Plus website. Be aware of website copy / Free Shipping in Canada for Orders Over 500 $ before txs.* Some exceptions may apply EXCEPTIONALLY CLOSED TO THE PUBLIC TO FULFILL ORDERS TUESDAY 20, WEDNESDAY 21, THURSDAY 22.

Optolong Warranty

Optolong Warranty

Optolong Filters Warranty

All Optolong filters are strictly inspected within specifications before shipment. Each filter will arrive clean and well packaged in an anti-counterfeiting code.   

Mechanical function and optical performance of all Optolong filters could always be guaranteed for 3-year under normal use. This warranty is void if the filter has been misused or damaged.

We would like to offer you a technical support or official direct if need. We will also provide assistance in dealing with your issues if happened during imaging or application.

Kindly contact us or directly email Optolong at contact@optolong.com, and let us know more details. We would like to deal with your problems immediately as soon as we receipt of your message.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare