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Product Info for William Optics 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-9mm

William Optics 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-9mm is part of our large collection of . You should look at complete range of Telescope Accessories from William Optics which we offer at everyday low prices. Browse our full product selection for the equipment and products you want to tackle the job at hand.

Specifications of William Optics 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-9mm:image

Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated
Model SWAN 9
Focal Length 9mm
Lens Structure (#Elements/#Groups) 5/4
Field of View 72
Eye Relief 12mm
Barrel 1.25"
Coating FMC
Parfocal Yes
Weight 70g
· Inner Structure

Features of William Optics 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View WE-SWAN-9mm:

SWAN: a premium eyepiece for your most demanding observations.

Unforgettable views of star clusters and the moon at 72 deg. F.O.V.

A premium eyepiece at a fraction of the cost it’s worth!

Super Wide FOV

• Outstanding super-wide field of view: 72 deg. F.O.V.

• Fully Multicoated lenses for excellent transmittance.

• Reduced chromatic aberration.

• Improved contrast compared to similar EPs.

Great Contrast

• Internally fully blackened (lens edges and internal spacers).

• No flaring or ghosting on high-contrast objects.

• Parfocal.

Light and Easy

• Soft rubber eyecup.

• Long eye-relief: 12mm.

• No internal reflections, kidney beaning or other distracting distortions.

Terrific Fit and Finish

• High-resistance anodized black barrel.

• Smooth design for no hook up in your focuser.

Package Contents:

  • 9mm SWAN Ocular 1.25" Wide Angle Eyepiece with 72 Degree Field of View

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