William Optics 1.25" UWAN Series Eyepiece - 16mm
This item is discontinued by the manufacturer and is no longer available.
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Availability: Item has been discontinued and is no longer available.
Beautiful Ultra Wide Angle (UWA) Eyepiece, for beautiful observation sessions with your telescope. This 7-element UWAN eyepiece is ideal for rich-field observations at medium-high power.Extremely good price for its quality: look around and compare! Ideal for fast focal ratio telescopes (Dobsonian, etc.)
Super Wide FOV
• Outstanding ultra-wide field of view: 82 deg. F.O.V.
• Fully MultiCoated lenses for excellent light transmittance.
• Reduced chromatic aberration.
• Improved contrast compared to similar EPs.
Great Contrast
• Internally fully blackened (lenses edges and internal spacers)
• No flaring or ghosting on high-contrast objects.
• Parfocal
Light and Easy
• Innovative twist-up 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.
• Threaded for use with 1.25" filters.
Beautiful Ultra Wide Angle (UWA) Eyepiece, for beautiful observation sessions with your telescope. This 7-element UWAN eyepiece is ideal for rich-field observations at medium-high power.Extremely good price for its quality: look around and compare! Ideal for fast focal ratio telescopes (Dobsonian, etc.)
Super Wide FOV
• Outstanding ultra-wide field of view: 82 deg. F.O.V.
• Fully MultiCoated lenses for excellent light transmittance.
• Reduced chromatic aberration.
• Improved contrast compared to similar EPs.
Great Contrast
• Internally fully blackened (lenses edges and internal spacers)
• No flaring or ghosting on high-contrast objects.
• Parfocal
Light and Easy
• Innovative twist-up 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.
• Threaded for use with 1.25" filters.
| Manufacturer | William Optics |
|---|---|
| Eyepiece Series | UWAN Series |
| Focal Length | 16mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 82° |
| Eye Relief (Designed) | 12mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 7 |
| Lens Groups | 4 |
| Blackened Lens Edges | Yes |
| Barrel Type | Tapered barrel |
| Protective Storage Container Included | Discontinued Item |
| Protective Plastic Storage Container Size (Sold Separately) | Agena 52x80mm |
| End Caps | 2 |
| Field Stop Diameter | 28.6mm |
| Parfocal | Yes |
| Rubber Eye Guard | Yes (Twist-Up Eyecup) |
| Weight | 200 g |
Availability: Item has been discontinued and is no longer available.
Beautiful Ultra Wide Angle (UWA) Eyepiece, for beautiful observation sessions with your telescope. This 7-element UWAN eyepiece is ideal for rich-field observations at medium-high power.Extremely good price for its quality: look around and compare! Ideal for fast focal ratio telescopes (Dobsonian, etc.)
Super Wide FOV
• Outstanding ultra-wide field of view: 82 deg. F.O.V.
• Fully MultiCoated lenses for excellent light transmittance.
• Reduced chromatic aberration.
• Improved contrast compared to similar EPs.
Great Contrast
• Internally fully blackened (lenses edges and internal spacers)
• No flaring or ghosting on high-contrast objects.
• Parfocal
Light and Easy
• Innovative twist-up 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.
• Threaded for use with 1.25" filters.
| Manufacturer | William Optics |
|---|---|
| Eyepiece Series | UWAN Series |
| Focal Length | 16mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 82° |
| Eye Relief (Designed) | 12mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 7 |
| Lens Groups | 4 |
| Blackened Lens Edges | Yes |
| Barrel Type | Tapered barrel |
| Protective Storage Container Included | Discontinued Item |
| Protective Plastic Storage Container Size (Sold Separately) | Agena 52x80mm |
| End Caps | 2 |
| Field Stop Diameter | 28.6mm |
| Parfocal | Yes |
| Rubber Eye Guard | Yes (Twist-Up Eyecup) |
| Weight | 200 g |