Pentax 2" 85º SMC XW23 Eyepiece - 23mm
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Features:
- Apparent field of view of 85°, the widest viewing angle in the XW series, suitable for observing nebulae and star clusters
- A new optical system with 7 elements in 5 groups that surpasses the conventional XW series to obtain sharp star images all the way to the edge of the field of view
- Original multi-layer coating for outstanding light transmission efficiency
- Advanced light-shielding technology for improved image contrast
- Weather-resistant* construction for All-Weather viewing
*The XW series features a weather-resistant structure of JIS class 4 *. It cannot be used underwater.
Specifications:
- Focal Length: 23mm
- Lens construction (elements/groups) 7/5
- Eye Relief - (figure in parentheses is the distance from the viewing rubber): 20mm (12mm)
- Apparent Angle of View: 85°
- Coating*: Multi coating
- Weatherproof: JIS class 4 equivalent (splash-proof)
- Sleeve size: 2.0 in / 50.8mm
- Diameter & Length (minimum): 3.0in. x 4.9in / 76mm x 125mm
- Weight (+/- 5%): 27.2 oz. / 770g
- Accessories: Eyepiece lens cap, Objective lens cap
*Partial coating applied to laminated optical element groups
Other Information
- Country of Manufacture: Japan
Features:
- Apparent field of view of 85°, the widest viewing angle in the XW series, suitable for observing nebulae and star clusters
- A new optical system with 7 elements in 5 groups that surpasses the conventional XW series to obtain sharp star images all the way to the edge of the field of view
- Original multi-layer coating for outstanding light transmission efficiency
- Advanced light-shielding technology for improved image contrast
- Weather-resistant* construction for All-Weather viewing
*The XW series features a weather-resistant structure of JIS class 4 *. It cannot be used underwater.
Specifications:
- Focal Length: 23mm
- Lens construction (elements/groups) 7/5
- Eye Relief - (figure in parentheses is the distance from the viewing rubber): 20mm (12mm)
- Apparent Angle of View: 85°
- Coating*: Multi coating
- Weatherproof: JIS class 4 equivalent (splash-proof)
- Sleeve size: 2.0 in / 50.8mm
- Diameter & Length (minimum): 3.0in. x 4.9in / 76mm x 125mm
- Weight (+/- 5%): 27.2 oz. / 770g
- Accessories: Eyepiece lens cap, Objective lens cap
*Partial coating applied to laminated optical element groups
Features:
- Apparent field of view of 85°, the widest viewing angle in the XW series, suitable for observing nebulae and star clusters
- A new optical system with 7 elements in 5 groups that surpasses the conventional XW series to obtain sharp star images all the way to the edge of the field of view
- Original multi-layer coating for outstanding light transmission efficiency
- Advanced light-shielding technology for improved image contrast
- Weather-resistant* construction for All-Weather viewing
*The XW series features a weather-resistant structure of JIS class 4 *. It cannot be used underwater.
Specifications:
- Focal Length: 23mm
- Lens construction (elements/groups) 7/5
- Eye Relief - (figure in parentheses is the distance from the viewing rubber): 20mm (12mm)
- Apparent Angle of View: 85°
- Coating*: Multi coating
- Weatherproof: JIS class 4 equivalent (splash-proof)
- Sleeve size: 2.0 in / 50.8mm
- Diameter & Length (minimum): 3.0in. x 4.9in / 76mm x 125mm
- Weight (+/- 5%): 27.2 oz. / 770g
- Accessories: Eyepiece lens cap, Objective lens cap
*Partial coating applied to laminated optical element groups
Other Information
- Country of Manufacture: Japan
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Eyepiece Series | XW |
| Focal Length | 23mm |
| Barrel Size | 50.8mm (2") |
| Apparent Field of View (Mfg Specified) | 85° |
| Eye Relief (Designed) | 20mm |
| Coatings | Fully Multicoated |
| Lens Elements | 7 |
| Lens Groups | 5 |
| Barrel Type | With safety undercut |
| Protective Plastic Storage Container | Yes - Manufacturer Supplied |
| End Caps | 2 |
| Rubber Eye Guard | Yes |
| Weight | 27.2 oz / 770 g |
| Country of Manufacture | Japan |
| Hide Found a better Shipped Price on Frontend? | No |
Pentax 2" 85º SMC XW23 Eyepiece - 23mm