A-ALSTAR SKU-AM-PE19A Telescope Eyepiece Apparent Field 970019299228 Element Am 9MM 1.25 58

( Brand: A-alstar ), ( Manufacturer Part Number: SKU-AM-PE19A ), ( UPC: 970019299228 ), ( Size: 9 Mm )

Review A ALSTAR Am Telescope Eyepiece 9mm 1.25 Inch 58 Degree Apparent Field Element

Introducing the Alstar AM PE19A 9mm 1.25-inch Telescope Eyepiece, a high-performance accessory designed to deliver a wide, clear, and sharp viewing experience for your telescope.

This eyepiece features a 9mm focal length and a 1.25-inch barrel diameter, making it an excellent choice for telescopes with this size tube. Its 58-degree apparent field of view is impressive, enabling you to capture a larger and more expansive view of the night sky compared to many other eyepieces in its class.

The Alstar AM PE19A is renowned for its advanced optical design, which includes a 19mm eye lens and a 4-element lens system. This innovative design ensures that the eyepiece delivers sharp images with minimal distortion, even at the very edges of the field of view.

The eyepiece is also known for its high-quality, fully multi-coated optics, which maximize light transmission and help to reduce glare and chromatic aberrations. The result is a brighter and clearer view of the stars, planets, and other celestial objects you observe.

Additionally, the Alstar AM PE19A is comfortable to use, with a long eye relief of 19mm, which allows observers who wear eyeglasses to use the eyepiece without having to remove them. The eyepiece also comes with a soft protective rubber eyecup that ensures a comfortable and secure fit against the eye.

In summary, the Alstar AM PE19A 9mm 1.25-inch Telescope Eyepiece is an excellent investment for any serious astronomer. Its wide field of view, sharp images, and comfortable design make it a versatile and valuable addition to any telescope setup. With its advanced optical design, high-quality coatings, and durable construction, this eyepiece is sure to provide you with many hours of enjoyable and rewarding observing experiences.

The Alstar AL198 9mm 1.25" 58 Degrees Apparent Field Eyepiece is an option for astronomers seeking a wide-angle view through their telescopes. Let's examine its pros and cons:

1. Wide Field of View: The 58-degree apparent field of view allows you to capture a larger area of the night sky in a single glance, making it ideal for observing large and sprawling deep-sky objects.

2. High Light Gathering: The 9mm focal length gathers a considerable amount of light, enhancing the brightness and contrast of the images you observe.

3. Comfortable Eye Relief: With an eye relief of 14mm, this eyepiece is comfortable for those with glasses or those who prefer longer eye relief.

4. Multi-coated Optics: The multi-coated optics help reduce glare and improve light transmission, providing clearer and sharper views.

5. Affordable: Compared to other wide-angle eyepieces, the AL198 is quite affordable, making it an accessible option for many amateur astronomers.

1. Limited Resolution: Due to its wide field of view, this eyepiece may not offer the same level of resolution as narrower-field eyepieces. This can make finer details less discernible.

2. Chromatic Aberration: Some users have reported minor chromatic aberration, which can appear as colored fringes around the edges of the field of view.

3. Not Ideal for Planetary Observation: Due to its wide field of view and relatively long focal length, this eyepiece is not the best choice for observing planets, as it may not provide enough magnification or resolution for fine details.

The Alstar AL198 9mm 1.25" 58 Degrees Apparent Field Eyepiece is a solid choice for those seeking a wide-angle view of the night sky. Its affordability, impressive field of view, and decent light gathering make it an attractive option for amateur astronomers. However, its limitations in terms of resolution and chromatic aberration may make it less suitable for those who prioritize fine detail and accurate color rendering.

If you are looking for a wide-angle eyepiece for deep-sky observing with a reasonable budget, the Alstar AL198 could be a good fit for you. However, if you require high resolution or prefer narrower fields of view, you may want to consider other options or invest in more expensive eyepieces.

Details:

Multi-coated Lenses Design: Each eyepiece has 5 lens elements in 3 groups; Experienced observers will appreciate at significant magnifications; Exceptional nearly eliminating lateral color aberration. Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped inch focused the female thread can also be connected filter or other accessories; Whether for planetary observation deep sky exploration this eyepiece delivers sharp clear images meeting your high standards stargazing. Ergonomic Design for Enhanced Comfort:The rota table eyepiece barrel and convertible rubber eye cup ensure comfort flexibility during observation the edges of lenses are blackened. However, this will not affect the shipping times.

Durable Material and Precision Craftsmanship: Made with high quality aluminum precision optical design it ensures durability exceptional performance making an ideal choice for astronomy enthusiasts.

part #: skuampe19a price

• $78.63

specifications scopeadapta:

• brand: A-alstar
• mpn: Sku-am-pe19a
• upc: 970019299228
• size: 9 Mm

payments scopeadapta:

• other
• wallet: Paypal
• credit card: Visa

shipping scopeadapta:

• class: Standard
• service: Standard
• cost: $0.00
• transit: 2-6 Days
• type: Fixed

general scopeadapta:

• Binoculars Telescopes > Telescope Parts Accessories > Telescope Adapters
• condition: New

offer scopeadapta:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: February 26, 2026

returns scopeadapta:

• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller scopeadapta:

• rating: 100.0%
• city: Within USA
• # reviews: 53202

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