Moon, Neutal Density, Polarizing

ฟิลเตอร์ดวงจันทร์ GSO 1.25" Neutral Density Filter #ND96-0.6 สงผ่านแสง 25%

ฟิลเตอร์ดวงจันทร์ GSO Moon Filter 1.25"

ฟิลเตอร์ SVBONY Linear Polarizer Filter, 2"

• Made from optical glass, individually precision ground, highly polished
• Allows maximum contrast of lunar detail, enhances the contrast of the moon and planets in photographic images
• Progressively dim the view, increasing contrast for telescope eyepiece

ฟิลเตอร์ SVBONY Variable Polarizing Filters แบบปรับความบริมาณแสงได้, 2'' 

• Acts like a dimmer switch for your telescope, allows you to adjust the amount of light transmission from 1% to 40% by rotating the filter housing
• 2 filter sizes available: 1.25" or 2". Screws onto the insert barrel of standard 1.25" / 2" eyepieces
• Also helpful when observing Venus or bright terrestrial scenes.
• Sturdy plastic case included
• Note: affects metering and autofocus, and is generally not suitable for digital cameras with a high degree of automation
• CAUTION: Not for viewing the Sun!

Optolong Variable Polarizing Filter - 1.25"