Specification Brand : Denash BulletPoint1 : [Enhanced Eye ] Create the perfect eye-to-lens distance to minimize impact and better your eyes while using these eye cups. BulletPoint2 : [Improved Observation Effect] Eliminate external light interference with these eye cups, enhancing your observation experience. BulletPoint3 : [Universal Fit] With an inner diameter of 27mm, these eye cups are suitable for microscope eyepieces, monocular binoculars, and other 29‑32mm lenses. BulletPoint4 : [ and Rubber Material] Telescopes eye cups are made of , non-toxic, environmentally friendly rubber, ensuring durability and long service life. BulletPoint5 : [Portable and Practical] The foldable rubber eyepiece cover is easy to carry, store, and use, making it a and convenient accessory for your optical devices. ItemName : Ne1af For Nikon Auto Focus Module ItemPackageDimensions_Height : 9.6 centimeters ItemPackageDimensions_Length : 3.5 centimeters ItemPackageDimensions_Width : 6.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-and-camcorder-remote-controls Manufacturer : Denash ModelName : Denash364osifz8w ModelNumber : Denash364osifz8w PartNumber : Denash364osifz8w ProductDescription : [Enhanced Eye ] Create the perfect eye-to-lens distance to minimize impact and better your eyes while using these eye cups. [Improved Observation Effect] Eliminate external light interference with these eye cups, enhancing your observation experience. [Universal Fit] With an inner diameter of 27mm, these eye cups are suitable for microscope eyepieces, monocular binoculars, and other 29‑32mm lenses. [ and Rubber Material] Telescopes eye cups are made of , non-toxic, environmentally friendly rubber, ensuring durability and long service life. [Portable and Practical] The foldable rubber eyepiece cover is easy to carry, store, and use, making it a and convenient accessory for your optical devices.