Check the listing for details. Olympus CH2 Microscope Darkfield Stop (NEW). Condition: New. Listed at 24.65 USD. Olympus Microscope Darkfield Stop for CH2 model. This stop fits on the condenser's under side to produce darkfield images like the bedbug photograph shown. The photograph was taken at 10X power on my personal Nikon microphot microscope. As implied, the stop will work with any microscope manufacturer as long as the condenser can accept the stop with a diameter of 34.9mm. It is new, in original packing. These stops can be used to produce beautiful and interesting images! Our company fairly represents the condition of products listed on Ebay and stand behind the products sold. If you are not completely satisfied with your purchase we will cheerfully refund your money. I 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!