Explore Scientific 100° Ar Eyepiece 9mm (2")

Explore Scientific 100° Ar Eyepiece 9mm (2")

Description:
The Explore Scientific 100° Ar 9mm eyepiece offers a sweeping 100° apparent field of view, allowing immersive high-power observation with minimal repositioning. Ideal for planetary detail and deep-sky structure.

Its 9-element, 6-group optical design delivers exceptional sharpness and contrast, with full EMD multi-coating to enhance light transmission and suppress stray light. The eyepiece is IPX7-rated waterproof and argon-purged for internal protection against fog, dust, and mold—submersible up to 1 meter for 30 minutes.

A foldable rubber eyecup enhances comfort, and the robust stainless steel construction ensures long-term durability. Fits all standard 2" focusers.

Technical specifications:

• Optical design: 9 elements / 6 groups

• Apparent field of view: 100°

• Focal length: 9 mm

• Barrel diameter: 2" (50.8 mm)

• Barrel length: 31 mm

• Coating: Fully multi-coated (EMD)

• Eye relief: not specified

• Eyecup: soft rubber, foldable

• Waterproofing: IPX7, argon-purged

• Material: stainless steel

• Color: black

• Weight: 630 g (without accessories)

• Warranty: 10 years with registration

Additional information:
Includes protective caps and storage box. Compatible with all standard 2" focusers. 10-year warranty after registration via Explore Scientific Europe.