The Meade Series 4000 Eyepiece and Filter Set 07169 is a complete set of the most popular accessories for your Meade telescope. The comprehensive Meade 4000 Filter and Eyepiece Set makes accessorizing a snap. Includes six popular Meade Series 4000 Super Plossl Eyepieces in focal lengths of 6.4mm, 9.7mm, 12.4mm, 15mm, 32mm and 40mm. The Meade Series Eyepiece and Filter Set Series 4000 feature a standard 1.25" barrel size, with a 52° apparent field of view and are of a 4-element design with premium optical glass. Additionally, the Meade Filter And Telescope Eyepiece Kit features edge blackened lenses and fully multi-coated optics for great contrast and light transmission. Each also features has a soft rubber eye guard for comfort. This complete kit additionally includes a Meade Model #126 2x "shorty" type Barlow lens to double the power of any of the included (or any other 1.25") eyepiece. In addition to the eyepieces and Barlow, the Meade Series 4000 Telescope Kit w/ Eyepiece and Filters contains a Meade Series 4000 Color Filter Set #1 with high quality "dyed in glass" #12 Yellow, #23 Light Red, #58 Green and # 80A Blue filters which are very useful for bringing out various details on the planets. There is also a Series 4000 ND96 Moon Filter to reduce glare and increase clarity when observing the Moon. Finally, all items come in a very nice aluminum carrying case to keep it all clean and organized. The Meade 4000 Telescope Eyepiece and Filter Kit is truly an instant observing kit, and represents an incredible value over buying even a few of the items individually.