Filters On Sale

• Allows you to safely view the sun with your binoculars
• Fit over objective lenses for harm-free solar viewing
• Choose from a variety of sizes
• Secures to lenses with nylon thumb screw and felt

Enhance deep-sky observing in light-polluted skies

• Blocks the common wavelengths of light pollution
• Improves the view of nebulas, galaxies and clusters
• If your going to own a filter, this is the one to have
• Darkens the background sky, images "pop" out much better

• Enhances planetary nebulae in larger telescopes
• Helps provide bright and sharp images
• Retains sharpness with polished BK-7 substrate
• Can be used in front of diagonal with no light loss

• Reveal more details of deep sky nebulae
• Will not degrade image sharpness
• Great for viewing Veil, Lagoon, Swan, Ring and Dumbbell nebulae
• 1.25 Inch format, threads to bottom of telescope eyepiece

Made for viewing in light polluted skies

• Reduces effects of light pollution
• Sky background is darker
• Contrast of emission nebulae is improved
• Great for city and suburban observation
• 1.25 inch format, theads to bottom of eyepiece

Enhance deep-sky observing in light-polluted skies

• Blocks the common wavelengths of light pollution
• This filter improves the view of nebulas, galaxies and clusters
• If you're going to own a filter, this is the one to have

• MUST be used in conjunction with a primary solar filter
• After the primary filter, and cannot be used alone
• Enhances visibility of solar granulation and sunspot detail
• Boosts contrast and reduces the effects of atmospheric turbulence

• Significantly reduces light pollution
• Sky background is darker
• Great for city and suburban observation
• Boosts contrast in any environment
• 1.25 Inch format - simply attach to eyepiece

• 1.25 inch format OIII Narrowband filter
• Isolates just the doubly-ionized oxygen lines
• Extreme contrast vs black sky background
• Excellent for the Veil, Ring, Dumbbell, Crescent and Orion
• Designed to block all visual spectrum rage 400-700 nm

• Single band, dielectric coated filter
• Provides high contrast by blocking unwanted wavelengths
• Free of image degradation with BK-7 optical grade glass
• Laser etched and precision machined aluminum filter cells

• Light Pollution Reduction Filter
• Darker Sky Background
• Enhances deep sky objects
• 2 Inch Format - Threads to bottom of 2 inch eyepieces

• Made for viewing in light polluted skies
• Reduces effects of light pollution
• Sky background is darker
• Contrast of emission nebulae is improved
• Great for city and suburban observation

• Achieve brighter, sharper images
• General purpose narrow-band filter
• Provides highest transmission
• Perfect for all instrument sizes and nebulae

• Variable polarizing filter
• 35-40% light transmission
• Two stacking filters rotate for adjustment of transmission
• Enhance details on lunar surface

Zhumell Filters can bring much more into your view!

• Set includes Yellow, Blue, Orange filters
• Neutral Density Moon Filter
• 1.25 Inch Format
• Can be stacked for using multiple filters

• A must for viewing nebula!
• Transmits wavelengths from 2 doubly ionized oxygen lines
• Blocks all other lines to increase detail and contrast
• Vacuum-deposited coating to block unnatural colored halos

• Four filters for the price you pay for 1 from other brands!
• Sky-Glow Filter - 2 Inch Format
• OIII Filter - 2 Inch Format
• UHC Filter - 2 Inch Format
• Variable Polarizing Filter - 2 Inch Format

• Enhances planetary nebulae in larger telescopes
• Helps provide bright and sharp images
• Retains sharpness with polished BK-7 substrate
• Can be used in front of diagonal with no light loss

• Dielectric coatings on both sides of substrate
• Dual band filter only permits green and red through
• Enhances detail and preserves natural color
• Provides most natural view

• Available in 1.25" or 2" format options
• A great filter for the majority of nebula
• The Veil, Lagoon, Swan, and Ring
• Combine with the UV/IR filter for ultimate O-III imaging
• Exceptional Baader quality

• A simple and affordable solution to a frustrating problem
• Comes with 1.25 in. format eyepieces to suit your needs
• Helps to view the details in planetary and lunar landscapes

• Achieve brighter, sharper images
• General purpose narrow-band filter
• Provides highest transmission
• Perfect for all instrument sizes and nebulae