Check the listing for details. Gosky 1.25 Inch Variable Polarizing Filter No 3 for Telescopes & Eyepiece. Color: 1.25" Variable Polarizing Filter, Condition: New. Listed at 19.99 USD. ANS 4x32 Rifle Scope Rangefinder Optics Hunting Gun Scope with Free Mounts31.99 USD 45.7 USDFree shipping30%offGosky and Smartphones Smartphones Wire Adapter Mount Shutter Control for Camera10.53 USDFree shippingQ version Shaking Head series Avengers Jack hand action model33.92 USD 37.69 USDFree shipping10%offAomekie 1200X Biological Beginner Microscope Kit with Case Student Lab Home Gift22.29 USD 44.59 USDFree shipping50%offAomekie 25X-200X 0.3MP USB Digital Microscope Video Camera w Stand WIN XP/735.29 USD 70.59 USDFree shipping50%off551 Red and Green Dot Sight Tactical Scope 22mm Picatinny with Battery Brown29.85 USD 59.71 USDFree shipping50%off Gosky 1.25 Inch Variable Polarizing Filter No3 for Telescopes & Eyepiece - Progressively Dim the View - Increasing Contrast - Reducing Glare and Increasing DetailDoes not apply Progressively dim the view when observing a bright object, such as the Moon or certain planets, to a level according to your needs, whilst increasing contrast, reducing glare and increasing the amount of detail that can be studied The filter is a high quality anodized aluminium, optical glass variable polarising filter designed to reduce the amount of light entering your eyepiece Ach filter set consists of two polarizing filters, one which can be rotated in its cell to adjust the brightness The filter will fit all standard sized 1.25" eyepieces and accessories. Can be threaded on both sides for stacking with other filters if necessary Comes with sturdy plastic case-proect the eyepiece from dust and moisture