more than 74° ultra wide-angle

• 80° field of view allows relaxed observations and a large field of view for overview.
• Extemely high edge sharpness due to Field Flattener lenses and high quality XD lenses provide an image free of chromatic aberration
• Ideal for digiscoping - large field of view minimizes vignetting even with large camera sensors or wide-angle smartphone lenses
• eye relief : 17 mm
• Eyepiece focal length through the 1.6 x extender 8.75 mm
• 2" telescope adapter with48 mm filter thread
• Focus position with reference Tele Vue 41 mm panoptic : 26 mm inwards
• Eyeglass wearer friendly
• 2 " plug adapter with 28.5mm filter thread
• Waterproof
• 10 years warrenty
  

• 80° field of view allows relaxed observations and a large field of view for overview.
• Extemely high edge sharpness due to Field Flattener lenses and high quality XD lenses provide an image free of chromatic aberration
• Ideal for digiscoping - large field of view minimizes vignetting even with large camera sensors or wide-angle smartphone lenses
• eye relief : 17 mm
• Eyepiece focal length through the 1.6 x extender 8.75 mm
• 2" telescope adapter with48 mm filter thread
• Focus position with reference Tele Vue 41 mm panoptic : 16 mm inwards
• Eyeglass wearer friendly
• 2 " plug adapter with M 48 filter thread
• Waterproof
• 10 years warrenty
  

Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.

• Focal length 10 mm
• Apparent field of view 85°
• Rubber eyecup for comfortable support of the eye or glasses
• 1.25" barrel without safety groove with filter thread
• 5-element design
• Latest glass types and multi-layer coating technology
• Made in Japan

Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.

• Focal length 16 mm
• Apparent field of view 85°
• Rubber eyecup for comfortable support of the eye or glasses
• 1.25" barrel without safety groove with filter thread
• 5-element design
• Latest glass types and multi-layer coating technology
• Made in Japan

Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.

• Focal length 20 mm
• Apparent field of view 85°
• Rubber eyecup for comfortable support of the eye or glasses
• 2" barrel without safety groove with filter thread
• 5-element design
• Latest glass types and multi-layer coating technology
• Made in Japan

Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.

• Focal length 26 mm
• Apparent field of view 85°
• Rubber eyecup for comfortable support of the eye or glasses
• 2" barrel without safety groove with filter thread
• 5-element design
• Latest glass types and multi-layer coating technology
• Made in Japan

Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.

• Focal length 32 mm
• Apparent field of view 85°
• Rubber eyecup for comfortable support of the eye or glasses
• 2" barrel without safety groove with filter thread
• 5-element design
• Latest glass types and multi-layer coating technology
• Made in Japan

• High-quality optics for exceptional image quality
  The new eyepieces feature an optical system with 7 elements in 5 groups that surpasses the conventional XW series to deliver sharp star images right to the edge of the field of view. 
• PENTAX original multi-coating for outstanding light transmission
  All lens surfaces that come into contact with the air are treated with the original multi-coating, while all laminated surfaces are treated with the innovative partial coating to achieve light transmission of more than 90 per cent (an astonishing 96 per cent at 550nm) across the visible lightspectrum.
• Advanced light-shielding technology for improved image contrast
  Thanks to PENTAX's advanced computer simulation technology, the XW series features a lightshielding diaphragm in the most effective position to dramatically reduce internal reflections and provide a brighter, higher contrast image.
• Weatherproof construction for all-weather viewing
  The XW Series features a JIS Class 4* weatherproof construction that allows use even in drizzle or nighttime dew.

• High-quality optics for exceptional image quality
  The new eyepieces feature an optical system with 7 elements in 5 groups that surpasses the conventional XW series to deliver sharp star images right to the edge of the field of view. 
• PENTAX original multi-coating for outstanding light transmission
  All lens surfaces that come into contact with the air are treated with the original multi-coating, while all laminated surfaces are treated with the innovative partial coating to achieve light transmission of more than 90 per cent (an astonishing 96 per cent at 550nm) across the visible lightspectrum.
• Advanced light-shielding technology for improved image contrast
  Thanks to PENTAX's advanced computer simulation technology, the XW series features a lightshielding diaphragm in the most effective position to dramatically reduce internal reflections and provide a brighter, higher contrast image.
• Weatherproof construction for all-weather viewing
  The XW Series features a JIS Class 4* weatherproof construction that allows use even in drizzle or nighttime dew.