Quality filters, made of the finest crown optical glass, fully coated and dyed in the mass. For increased resolution and contrast on the planets and Moon. Threads onto the barrels of 1.25" eyepieces and accessories. Celestron Polarizing Filter Set - 1.25 inThis set of two polarizer filters reduces reflected polarized light in the Earth's atmosphere... Regular price: $44.95 Smart-Sale price: Celestron Oxygen III Narrowband Filter - 1.25 inchThe 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light... Regular price: $89.95 Smart-Sale price: Celestron Oxygen III Narrowband Filter - 2 in The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light... Regular price: $119.95 Smart-Sale price: Celestron UHC/LPR Filter - 1.25 in Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light... Regular price: $84.95 Smart-Sale price: Celestron UHC/LPR Filter - 2 inOur 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light... Regular price: $109.95 Smart-Sale price: SmartAstronomy's 6 Pack Filter case Just clip the case to your belt loop and have 6 of your most used planetary and nebular filters in one convenient case... Regular price: $14.95 Smart-Sale price: Skylight FilterIf you were to use only one filter, Skylight Filter/Dust Seal would be your most versatile choice. This general purpose, Wratten #1A filter improves color saturation and balance, increases visual and photographic contrast, helps to decrease glare in lunar and planetary observing, and penetrates atmospheric haze.. FOCAL REDUCERS 1.25'' & 2''SmartAstronomy’s NEW 1.25’’ & 2'' 0.5x Focal Reducers screws on to any 1.25’’ & 2'' eyepiece, CCD camera nosepiece, camera adapters, etc, that is threaded for filters, and provides a nominal reduction of 0.5X. It effectively reduces the focal length of the telescope by half . #96ND Neutral Density Filter #96ND-03, #96ND-06, #96ND-09Neutral density filters allow all wavelenghts to pass through equally. The effect of a neutral density filter is to reduce the overall brightness of an image... Color FiltersEyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue... Color Filter Set # 1# 12 Yellow, # 23A Light Red, # 56 Green, # 80A Blue. Color Filter Set # 2# 11 Yellow-Green, # 25 Red, # 47 Violet, # 82A Light Blue Color Filter Set # 3# 8 Light Yellow, # 21 Orange, # 38A Dark Blue, 58A Light Green 888.291.6577 To all who visit our store: Numbers 6:24-26 24 The LORD bless you and protect you; 25 the LORD make His face shine on you, and be gracious to you; 26 the LORD look with favor on you and give you peace. (CLICK) VISIT OUR DISCOUNT BIBLES & APPAREL STORE Copyright (R) 2004 SmartAstronomy, All rights reserved.