American Optical Phase Contrast Inserts for 10X and 20X objective. It is used on the condenser of the 1820 Biostar inverted microscope. The AO catalog numbers are 1841 and 1842 and they are in new condition. These items never come up for sale on Ebay, they are beyond rare!

We will allow a 14-day return for defects not mentioned in the description. We usually ship within two business days of receipt of payment. Our preferred partners for domestic shipping are UPS and USPS. Email confirmation of the shipping date and tracking numbers (if applicable) will be provided.

International Buyers - Please Note:

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.

Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. OUR COMPANY POLICY IS TO DECLARE THE ACTUAL PURCHASE PRICE FOR CUSTOMS DOCUMENTS FOR INSURANCE PURPOSES. PLEASE DO NOT ASK FOR A LOWER PRICE DECLARATION.

International rates may or may not include door-to-door delivery with customs clearance.

Internationally we ship only USPS. For International bidders, please bear in mind that due to increased recent customs scrutiny, packages may be delayed up to 6-weeks from the date we ship.

The forms of Payment we accept are: VISA, Mastercard, American Express, Paypal and Personal Checks. Personal checks will require 7-days to clear. GOOD LUCK!