Levenhuk Ra 1.25" ER20 Wide Angle Eyepiece - 18mm # 35009

Our Price: $159.95
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Our Product ID: E-LH-35009
Manufacturer SKU: 35009
Item Can Ship: Worldwide
Levenhuk Ra 1.25" ER20 Wide Angle Eyepiece - 18mm # 35009

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  • Levenhuk Ra 1.25" ER20 Wide Angle Eyepiece - 18mm # 35009

Website Special - FREE Agena plastic bolt case / storage container included with this eyepiece (a $6 value)!

Product Details

Levenhuk Ra ER20 WA 18 mm Eyepiece
Wide-angle eyepiece. Focal length: 18 mm. Field of view: 68°

WA in the Levenhuk Ra ER20 WA 18 mm Eyepiece model name stands for Wide-Angle, and the field of view of this model equals 68 degrees. This model will be especially useful for those who wear glasses, since it has a long eye relief of 0.8 inches and comes with a twist-up rubber eyecup. As with all other eyepieces in the Levenhuk Ra series, Levenhuk Ra ER20 WA 18 mm Eyepiece has a fully multi-coated optics and provides high-quality views. This eyepiece has a focal length of 0.7 inches and is lightweight due to an aluminum shell. Another good feature of this model is the possibility to attach it to almost every telescope with a focuser barrel diameter of 1.25'' or 2'' (using 1.25'' to 2'' adapter in the latter case).

Focal length, in: 0.7
Eyepiece diameter, in: 1.2
Exit pupil diameter, in: 0.8
Barrel diameter: 1.25"
Apparent field of view, °: 68
Optical design: 8 elements in 6 groups, fully multi-coated
Shell: aluminum

Eyepiece Series Levenhuk Ra ER20 WA
Focal Length 18mm
Barrel Size 1.25" (31.7mm)
Apparent Field of View (Mfg Specified) 68°
Eye Relief (Designed) 20mm
Filter Threads Standard 1.25" Filter Thread (M28.5 x 0.6)
Coatings Fully Multi-Coated
Lens Elements 8
Lens Groups 6
Barrel Safety Recess Tapered barrel
Tapered Barrel Yes
Barrel Type Tapered barrel
Protective Plastic Storage Container Yes - Free Agena Eyepiece Container
Protective Plastic Storage Container Size Agena 65x80mm
Rubber Eye Guard Yes (Twist Up)
Warranty 6 months
Weight 12.8 oz (362.9 g)
Country of Manufacture China
Exit Pupil 20mm
Coatings Fully Multi-Coated
Eye Relief 20mm

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