The SPECPRECISION Arthur 1X Prism Optic features selectable red and green reticle illumination with a crisp etched reticle that remains clearly visible even without illumination. Its prism design is especially friendly for many shooters with astigmatism, while also providing a fast, clear sight picture for users with normal vision. Built for rugged use, the Arthur 1X combines durable construction, stable zero retention, and reliable 1X performance for range shooting, hunting, training, and outdoor applications.
The SPECPRECISION Arthur 1X Prism Optic is a compact and rugged 1X prism optic designed for shooters who want a crisp, dependable aiming reference in a wide range of lighting conditions. Featuring an etched reticle with selectable red and green illumination, the Arthur 1X provides a clear sight picture for both shooters with normal vision and many users with astigmatism.
Unlike a conventional LED red dot sight, the Arthur 1X uses an etched prism reticle. For many shooters with astigmatism, this can provide a sharper and more defined aiming reference with less starburst, flare, or distortion. At the same time, the true 1X optical system remains fast and intuitive for users with normal eyesight.
The Arthur 1X features selectable red reticle and green reticle illumination, allowing users to choose the color that provides the best contrast for their eyes, lighting conditions, and background.
Because the aiming pattern is etched directly into the prism optical system, the reticle remains visible even when illumination is turned off. This allows the optic to remain functional during daylight use without relying on battery-powered illumination.
Some shooters with astigmatism may see a conventional red dot as a starburst, cluster, streak, or irregular shape. The Arthur 1X uses an etched prism reticle instead of relying entirely on a reflected LED aiming point.
For many users with astigmatism, this can result in a noticeably cleaner and more defined reticle. Individual eyesight varies, but a 1X prism optic can be an excellent alternative for shooters who have difficulty seeing traditional red dot sights clearly.
With 1X magnification, the Arthur is designed for fast and intuitive aiming at close to intermediate distances. The optical system provides a natural sight picture while helping users maintain good situational awareness.
The Arthur 1X features a 43.7 mm optical center height, providing a comfortable elevated viewing position while maintaining a compact overall configuration.
Optical center height is an important specification when matching a prism optic with other optical accessories or when planning the overall height of an aiming setup.
The Arthur 1X provides an 80–100 mm eye relief, giving users a practical viewing distance behind the optic. This helps support a comfortable head position and makes the sight easier to use across different shooting positions and setups.
The Arthur 1X is built with a durable aluminum housing designed for demanding outdoor, training, and range environments. Its shock-resistant construction helps protect the internal prism optical system and maintain dependable performance during repeated use.
With an adjustment range of ±30 MOA and 1 MOA click adjustments, the optic allows straightforward zeroing. Its rugged construction is designed to support stable zero retention during normal use.
At approximately 90.5 mm in length and 300 g in weight, the Arthur 1X balances durability with a compact form factor. Its 35 mm body diameter and 20 mm objective provide a practical optical package for a wide range of setups.
The optic is rated IPX64 rainproof and is designed to withstand shock, helping provide reliable performance in changing outdoor conditions.
| Magnification | 1X |
| Tube Diameter | 35 mm |
| Objective Diameter | 20 mm |
| Optical Center Height | 43.7 mm |
| Eye Relief | 80–100 mm |
| Weight | 300 g |
| Length | 90.5 mm |
| Adjustment Range | ±30 MOA |
| Click Value | 1 MOA |
| Material | Aluminum |
| Lens Coating | Green |
| Field of View | 75.79 mm |
| Weather Resistance | IPX64 Rainproof |
| Shockproof | Yes |
| Illumination | Red & Green |
| Battery | CR2032 |
| Warranty | 1 Year |
For shooters who see a traditional red dot as a starburst, comma, cluster, streak, or irregular shape, a 1X prism optic with an etched reticle may provide a clearer aiming solution. Because the reticle is etched into the optical system rather than being formed entirely by a reflected LED, its shape can remain more distinct for many users with astigmatism.
The Arthur 1X combines this optical advantage with selectable red and green illumination, allowing users to choose the reticle color that works best with their eyesight and surrounding environment.
For shooters with normal vision, the etched reticle also provides a crisp and intuitive aiming reference, making the Arthur 1X suitable for a broad range of users rather than only those with astigmatism.
The Arthur 1X uses an etched prism reticle, which can appear sharper and more defined than a conventional LED red dot for many shooters with astigmatism. Individual eyesight differs, but prism optics are commonly considered a useful alternative for people who experience starburst, flare, streaking, or distorted red dots.
Yes. The Arthur 1X is designed for both shooters with normal vision and many users with astigmatism. Its etched reticle provides a crisp aiming reference, while the true 1X optical system supports fast and intuitive target acquisition.
Yes. The Arthur 1X provides selectable red and green reticle illumination, allowing users to choose the color that offers better visibility for their eyes, lighting conditions, and background.
Yes. Because the reticle is etched into the prism optical system, the aiming pattern remains visible even without illumination. The CR2032 battery powers the red and green illumination rather than creating the reticle itself.
Yes. The Arthur 1X is designed for daytime use. Its reticle is etched directly into the prism optical system, so the aiming reticle remains visible even when the red or green illumination is turned off. In bright daylight, users can simply switch off the illumination and use the etched reticle normally.
The optical center height is 43.7 mm, providing a comfortable elevated viewing position while maintaining a compact optic configuration.
The Arthur 1X provides approximately 80–100 mm of eye relief, allowing a practical and comfortable viewing distance behind the prism optic.
Yes. The Arthur 1X features a rugged aluminum housing, shock-resistant construction, and an IPX64 rainproof rating. It is designed to provide stable and reliable performance for training, range use, hunting, and outdoor shooting.
The Arthur 1X is built with a rugged aluminum housing and a shock-resistant internal structure designed to support stable zero retention during normal use. It offers an adjustment range of ±30 MOA with 1 MOA per click.
Yes. The SPECPRECISION Arthur 1X Prism Optic comes with a 1-year warranty. If you experience a product quality issue during the warranty period, please contact us for support.
The Arthur 1X uses one CR2032 battery to power its red and green reticle illumination.
The optic provides an adjustment range of ±30 MOA with a 1 MOA click value for straightforward zero adjustment.
Yes. We accept custom production and OEM orders. Custom options may include product configuration, appearance, markings, packaging, and other specifications depending on order requirements. Please contact us to discuss your customization needs.
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For selected products, we support customized branding solutions, including custom logos and packaging options.
Customers can request customized solutions for AIRSOFT optics, tactical accessories, flashlights, and related products.
Please contact us at [email protected] with your product model, order quantity, logo design, and packaging requirements. Our team will provide a suitable customization solution based on your needs.
SPECprecision provides OEM and custom manufacturing services for tactical and optical products, including red dot sights, rifle scopes, laser devices, tactical flashlights, mounts, and other accessories.
Our engineering team can develop products according to your requirements, including shock resistance, waterproof performance, material selection, structural design, nitrogen filling, and different application environments.
We support product development based on physical samples, technical drawings, or product concepts.
For OEM and custom manufacturing inquiries, please contact [email protected].
Our professional support team is always available to assist with product questions, technical support, and after-sales service.
We value long-term relationships with our customers and are committed to providing reliable products, responsive communication, and professional solutions.
The SPECPRECISION Arthur 1X Prism Optic features selectable red and green reticle illumination with a crisp etched reticle that remains clearly visible even without illumination. Its prism design is especially friendly for many shooters with astigmatism, while also providing a fast, clear sight picture for users with normal vision. Built for rugged use, the Arthur 1X combines durable construction, stable zero retention, and reliable 1X performance for range shooting, hunting, training, and outdoor applications.
