Pentax
Pentax 70515 SMC-XW 14 1.25-Inch Telescope Eyepiece
★★★★★
Experience Superior Viewing with the Pentax SMC-XW 14 Eyepiece The Pentax 70515 SMC-XW 14 1.25-Inch Eyepiece is designed for telescopes and Pentax spotting scopes, offering a 70° apparent angle of view and 20mm eye relief for comfortable, immersive viewing. Its weatherproof body ensures multi-ap...
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Experience Superior Viewing with the Pentax SMC-XW 14 Eyepiece
The Pentax 70515 SMC-XW 14 1.25-Inch Eyepiece is designed for telescopes and Pentax spotting scopes, offering a 70° apparent angle of view and 20mm eye relief for comfortable, immersive viewing. Its weatherproof body ensures multi-application use, while high-grade optics with lanthanum glass elements deliver exceptional image quality with minimal aberrations. Enhanced light transmission and shielding technology provide brighter, high-contrast images.
Specifications:
- Brand: Pentax
- Model: 70515
- Apparent Angle of View: 70°
- Eye Relief: 20mm
- Optical Elements: High-refraction, extra-low-dispersion lanthanum glass
- Coating: Multi-layer coating on air-contact surfaces, partial coating on laminated surfaces
- Light Transmission: Over 90% (96% at 550nm)
- Construction: Weatherproof (JIS Class 4)
- Sleeve Size: 1.25" (31.7mm)
- Adapter-Mounting Screw/Thread: 43mm diameter with 0.75mm pitch
- Compatibility: Telescopes and Pentax Spotting Scopes
Key Features
Improved 70 degree field of view for easier viewing
XW 7, 10, 14 , 20 will give a wider field of view than our previous eyepieces when used on Pentax Spotting Scopes or with telescopes
XW 14, 20, 30, and 40 are designed specifically provide ideal viewing conditions when used with a telescope
Fully multi-coated lenses increase light transmission and color quality
High-refraction, low-dispersion lanthanum glass elements deliver bright, high-resolution images with minimal aberrations and distortions
Specifications
Eyepiece Model
SMC-XW 14
Barrel Size
1.25-Inch
Field of View
70 degrees
Lens Coating
Fully multi-coated
Glass Elements
High-refraction, low-dispersion lanthanum glass
Compatibility
Pentax Spotting Scopes, Telescopes
Pros & Cons
👍 Pros
- Offers an improved 70-degree field of view, making observations more immersive and comfortable for the viewer
- Designed to provide a wider field of view when paired with Pentax Spotting Scopes or various telescopes
- Features fully multi-coated lenses, which efficiently increase light transmission and enhance overall color quality
- Utilizes high-refraction, low-dispersion lanthanum glass elements to deliver bright, high-resolution images with minimal aberrations and distortions
- Specifically crafted to provide ideal viewing conditions when used with a telescope, ensuring a premium observational experience
👎 Cons
- The eyepiece is designed for a 1.25-inch barrel, potentially requiring an adapter for telescopes that use 2-inch eyepieces
- Specific eye relief measurements are not provided, which could be a factor for users who wear eyeglasses
- While it mentions an improved field of view, specific comparative data against other eyepieces is not included
- This product is a single eyepiece, meaning varying magnifications would require purchasing additional eyepieces
- The term "ideal viewing conditions" is subjective and might vary depending on individual user preferences and specific observing goals
Frequently Asked Questions
What is the field of view for this eyepiece?
The Pentax SMC-XW 14 eyepiece offers an improved 70-degree field of view, providing a broad and immersive viewing experience.
Is this eyepiece compatible with Pentax Spotting Scopes?
Yes, it is designed to give a wider field of view when used on Pentax Spotting Scopes or with telescopes.
What kind of glass is used in the lenses of this eyepiece?
It features high-refraction, low-dispersion lanthanum glass elements, which deliver bright, high-resolution images with minimal aberrations.
Are the lenses multi-coated?
Yes, the lenses are fully multi-coated to increase light transmission and improve the color quality of the viewed images.
What barrel size does this eyepiece have?
This Pentax SMC-XW 14 eyepiece has a 1.25-inch barrel, a common size for many telescopes and spotting scopes.
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