Check the listing for details. Nikon CF Achromat DL 40X Phase Microscope Objective For YS100. Condition: New. Listed at 526.00 USD. Nikon CF achromat 40X Phase Contrast DL Ph3 microscope objective for the YS-100 Nikon microscope. It is 160mm corrected with an na of 0.65, working distance of 0.6mm and requires a cover slip thickness of 0.17mm. It probably will work with the Nikon alphaphot-2 YS also. The Nikon number is MSB60400 with a list price of $526.00.Our company fairly represents the condition of products listed on Ebay and stand behind the products sold. If you are not delighted with your purchase we will cheerfully refund your money. We offer a 30-day return for defects not mentioned in the description and we usually ship within one 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!