A wide range of Explore Scientific color filters was created for fans of the observation of the moon and planets. The use of this type of filters allows for a significant improvement in contrast and a noticeable increase in the detail of the image obtained.

The orange Explore Scientific 1.25 "# 21 filter was made on a high-quality glass substrate. This filter is dedicated primarily to the observation of Mars, improving the visibility of darker areas on its surface. for observing Saturn and Jupiter where it allows you to see more details in the clouds.

The filter is equipped with an aluminum, anodized frame with a double thread.

Explore Scientific 1.25 "# 21 Filter Highlights

• high-quality glass substrate with excellent surface parallelism
• protection with anti-reflective coatings
• double thread for joining several filters together

Technical parameters

• filter diameter: 1.25 "
• substrate material: optical glass
• filter coating: anti-reflective coating
• thread: male / female
• Frame material: anodized aluminum
• frame finish: black
• weight: 11 g

Kit components

• Explore Scientific 1.25 "# 21 filter (orange)
• protective case

Guarantee

120 months