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Description
Explore Scientific 52 Series 40mm Eyepiece (2")40mm Focal Length 52 Apparent Field of View 2" Diameter Barrel Fully EMD Multi Coated Optics Argon Filled, Water and Fogproof Slip Resistant Textured Surface Fold Down Eyecup Providing performance at a reasonable price for most beginners, the Explore Scientific 52 Series 40mm Eyepiece produces a very low power in most telescopes, and is a perfect addition to your observation arsenal. Outfitted with a generous 52 apparent field of view, it employs a
- 40mm Focal Length
- 52° Apparent Field of View
- 2" Diameter Barrel
- Fully EMD Multi-Coated Optics
- Argon-Filled, Water and Fogproof
- Slip-Resistant Textured Surface
- Fold-Down Eyecup
Providing performance at a reasonable price for most beginners, the Explore Scientific 52° Series 40mm Eyepiece produces a very low power in most telescopes, and is a perfect addition to your observation arsenal.
Outfitted with a generous 52° apparent field of view, it employs a flat-field lens system that is treated with their proprietary Enhanced Multi-Layer Deposition (EMD) coatings to produce bright and clear views that are flat edge-to-edge. This lens design makes this eyepiece ideal for averted viewing techniques in which you view dim deep sky objects, such as wispy nebulae, indirectly using the portion of the eye that is most sensitive to light.
This model of the 52° series is offered here with a large 2" barrel that allows the maximum amount of light to pass through to the eye for a more comfortable observational experience with greatly reduced eyestrain and fatigue. The eyepiece is argon-filled and O-ring sealed to be waterproof against condensation and dew and resistant to fogging. A textured collar provides a slip-resistant grip, especially in cold weather or while wearing gloves. A fold down rubber eyecup makes it comfortable and easy to view through, with or without eyewear.
| Focal Length | 40mm |
| Barrel Diameter | 2" |
| Eye Relief | 27.1 mm |
| Field Stop Diameter | 35 mm |
| Apparent Field of View | 52° |
| Dimensions | Not specified by manufacturer |
| Weight | Not specified by manufacturer |
- 2 x Caps
- Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy