William Optics 25mm Swan Eyepiece - 2"

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William Optics 25mm Swan Eyepiece - 2"
Item # WO-E-SWA25
  • The William Optics SWAN Eyepiece black anodized barrel offers smooth movement in and out of your diagonal.
  • Premium features include 72 field of view combined with excellent eye relief.
  • The William Optics SWAN Eyepiece us parfocal, to reduce or eliminate focusing when changing magnification.
  • Rubber eyecup, filter threads, and blackened internal threads and lens edges are standard.
  • This eyepiece is a 2" barrel design, 25mm focal length with 21mm eye relief.


William Optics 2" SWAN 25mm Eyepiece

Are you looking for a premium eyepiece for your most demanding observations? You'll experience unforgettable views of star clusters and the Moon with the William Optics 2" SWAN 25mm Eyepiece's beautiful 72º field of view. This is a quality eyepiece at a great price!

With any focal length telescope, this great all-around eyepiece will not let you down! Perfect for low-power rich-field viewing... A great optical achievement!

William Optics SWAN Eyepiece Features

  • Fully Multicoated lenses for excellent transmittance.
  • Outstanding chromatic aberration correction.
  • High-resistance anodized black barrel.
  • No flaring or ghosting on high-contrast objects.
  • Smooth design for no hook up in your focuser.
  • No internal reflections - Sharp and well contrasted.
  • Threaded for 2” filters.
William Optics Product Number: SWAN25
Additional Information

Additional Information

Manufacturer William Optics
Optical Design Wide Angle
Barrel Size 2"
Warranty 2 Year Warranty
Eyepiece Field of View - Apparent 72º
Eyepiece Focal Length 25mm
Eyepiece Eye Relief 21mm
Eyepiece Manufacturer Series William Optics Swan
Eyepiece Weight 11.6 oz.
Field Stop Not supplied by manufacturer
Number of Lens Elements & Groups 5 elements, 4 groups
Special Feature None
Comes with Dust Caps? Yes
Comes with Eye Guard? Yes

Customer Reviews 1 item(s)

SWAN 25mm 2''
Ocular optimo para focales mayores de F6. Tiene un uso de campos medianos como el doble cumulo de perseo. El ocular tiene una construcción muy bien terminada y con buenos materiales.
1= Houston, We Have a Problem & 5= It's Out of This World
Review by Jose Manuel Garcia Martín / (Posted on 10/30/2012)
Included Items

Included Items

  • William Optics 2" SWAN 25mm Eyepiece
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