Check the listing for details. M25 to M26/27 Microscope Objective Lens Adapter Ring f Zeiss Mitutoyo Microscope. Condition: New. Listed at 12.35 USD. 1PC M25 to M26/27 Microscope Objective Lens Adapter Ring f Zeiss Mitutoyo Microscope Description (1).Material: Metal (2).Color: Black (3).Total Height: 10.5mm (4).Thread Height: 4mm Size M25: M25*0.75mm M26: M26*0.706mm M27: M27*0.75mm Product Usage M25*0.75mm Thread is for Nikon and Leica microscope objective lens thread size. M26*0.706mm Thread is for Mitutoyo microscope objective lens thread size. M27*0.75 is for Zeiss microscope objective lens thread size. If you need to connect Objective lens to Nikon Leica Zeiss microscope each other, due to different thread size, then you will need an adapter ring. This is our adpater ring's function. If you are not sure for the adapter ring size, please tell me your objective lens thread size and microscope brand, then i will give you some advice. thank you very much. Package 1PC x Adapter Ring(objective lens and other accessories are not included.) Shipping Items are normally shipped within 1-2 working days of receiving (cleared) payment and will be shipped by air parcel to worldwide. We do offer combined shipping discount if you pay all together.The shipping & handling fee includes packing, warehouse and distribution costs, not postage only, these are non- refundable.The estimated shipping time is about 10 to 20 days to arrive buyers' location. All items will only be shipped to the address you registered with PayPal. please make sure yourshipping address on Ebay is correct BEFORE placing your order. Contact Us Your satisfaction is important to us. If you are not satisfied with our products/services, please contact us BEFORE leaving us any neutral or negative feedback. We will try our best to resolve any issue. If you satisfied our items and service, hope you could leave a positive feedback with all stars for me. We are using the automatic eBay Feedback system which would automatically leave positive feedback after receiving positive feedback. You can contact me if you have any questions. Our Business Hours（Beijing）: 8:30A.M.-5:30P.M. Mon-Sat