2" 9mm 100 Degree Waterproof Eyepiece
$579.99
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2" 9mm 100 Degree Waterproof Eyepiece
$579.99
100° Field
Ultra Wide Panoramic Views
9mm Focal Length
High Power Celestial Detail
Waterproof Housing
Argon Purged Sealed Optics
2.00 Inch Barrel
Fits Standard Two Inch Focusers
12.5mm Eye Relief
Comfortable Extended Visual Observing
Averted Vision
Enhanced Faint Object Detection
Unbounded Cosmic ViewsImmerse Yourself in the Universe
Transform your visual stargazing sessions with the Explore Scientific 100° 9mm Waterproof Eyepiece, engineered to deliver hyper-wide astronomical views. Featuring a massive 100° apparent field of view, this premium telescope eyepiece immerses you directly into deep-space observations, allowing celestial objects to remain in view significantly longer without manual adjustment.
Hyper-Wide Optical PerfectionAdvanced Engineering for Astronomy Enthusiasts
Designed for discriminating amateur astronomers, the Explore Scientific 100° 9mm Waterproof Eyepiece redefines visual clarity across the cosmos. By maximizing the field stop diameter and utilizing edge-to-edge dark contrast optical coatings, this 2.00-inch barrel eyepiece makes detecting faint nebulae, star clusters, and planetary details far easier through averted vision techniques. Its rugged, gas-purged waterproof housing protects internal optics from dust, moisture, and internal fogging, ensuring top-tier optical performance through years of night sky observations.
Technical SpecificationsComplete Eyepiece Measurement Data
Item Number
EPWP1009–01
Focal Length
9mm
Apparent Field of View
100°
Barrel Size
2.00 in
Eye Relief
12.5mm
Field Stop Diameter
15.7mm
Length
145mm
Width
60mm
Weight
21.2oz / 602g
Waterproofing
Argon Purged / Waterproof
Key Optical FeaturesPrecision Glass and Durable Construction
Apparent Field of View100° Hyper-Wide Visual Experience
Optical DesignMulti-element fully multi-coated glass
Weather ResistanceArgon-purged waterproof construction
Viewing Comfort12.5mm Eye Relief for extended observation
Barrel CompatibilityStandard 2.00-inch telescope focuser fit
Target TrackingProlonged drift time across wide FOV
Frequently Asked QuestionsEverything you need to know
What barrel size does the Explore Scientific 100° 9mm Waterproof Eyepiece require?
The Explore Scientific 100° 9mm Waterproof Eyepiece features a standard 2.00-inch barrel size, requiring a 2-inch telescope focuser or adapter.
Is the Explore Scientific 100° 9mm Waterproof Eyepiece safe against internal fogging?
Yes, the Explore Scientific 100° 9mm Waterproof Eyepiece is sealed and purged with Argon gas, preventing internal condensation, dust ingress, and moisture buildup.
What are the benefits of the 100° field of view in the Explore Scientific 100° 9mm Waterproof Eyepiece?
The massive 100° field of view offers a panoramic visual experience, keeping objects in view longer on manual telescope mounts and aiding in faint object detection using averted vision.
What is the eye relief on the Explore Scientific 100° 9mm Waterproof Eyepiece?
The Explore Scientific 100° 9mm Waterproof Eyepiece provides 12.5mm of eye relief, delivering comfortable observing sessions for most observers.