• Improved 70 degree field of view for easier viewing
• Designed specifically to provide ideal viewing conditions when used with a telescope
• Fully multi-coated lenses increase light transmission and color quality
• High-refraction, low-dispersion lanthanum glass elements deliver bright, high-resolution images with minimal aberrations and distortions
• Advanced computer simulation design technology was used to drastically reduce internal reflections producing brighter, clearer images
• JIS Class 4 weather proof construction makes these eyepieces more durable
• Long eye-relief for viewing with or without glasses
• Limited Lifetime Warranty

		XW30		XW40
Lens Structure:		7 elements 6 groups		6 element 5 groups
Focal Length:		30mm		40mm
Apparent Field of View:		70°		70°
Eye Relief:		20mm		20mm
Attachment Diameter:		2” (50.8mm)		2” (50.8mm)
Filter Diameter:		48mm		48mm
Field Stop Diameter:		36.2mm		46.5mm
Eyepiece Ring:		Helicoid type		Helicoid type
Height & Width:		4.8”x3.0”		4.6”x3.0”
Weight:		26.1 oz. (740g)		24.7 oz. (700g)

Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes Rating & Reviews

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