CELESTRON 93504 Barlow Ultima Coated 2X 1-1/4

( Brand: Celestron ), ( Manufacturer Part Number: 93504 ), ( Type: 2x Barlow 1-1/4 ), ( Unit Type: Unit ), ( Size: 1.25 In ), ( Features: Fully Multi-coated ), ( Country Of Origin: Japan )

Review CELESTRON Nob 2x Barlow Ultima Series 1-1/4 Inch Fully Multi coated

The Celestron 93504 2x Barlow Ultima 1-1/4 Multi-Coated Lens is an essential accessory for astronomers seeking to amplify their viewing experience with a Schmidt-Cassegrain telescope. This high-quality Barlow lens is specifically designed for Celestron's Ultima and NexStar series of telescopes with a 1.25-inch focal length.

The 2x Barlow Ultima lens features a generous 2x magnification power that doubles the magnification of your telescope's eyepiece. This magnification increase allows you to observe finer details in the night sky, making it perfect for lunar and planetary observation.

Manufactured with premium materials, this Barlow lens boasts multiple layers of anti-reflection coatings on all air-to-glass surfaces. These coatings significantly reduce light loss and enhance the clarity and brightness of your observations. The lens elements are also made of high-quality, optical-grade glass that ensures sharp and accurate images.

The Celestron 93504 Barlow lens is compact and lightweight, making it easy to transport and use in various observing locations. It also sports a sleek design that complements the aesthetics of Celestron's telescopes.

This Barlow lens comes with a 2-inch barrel for use with larger eyepieces. The barrel is threaded to accommodate standard 1.25-inch eyepieces, allowing you to use this accessory with a wide range of eyepiece configurations.

In summary, the Celestron 93504 2x Barlow Ultima 1-1/4 Multi-Coated Lens is a valuable addition to any astronomer's equipment arsenal. Its 2x magnification, high-quality construction, and compatibility with various eyepieces make it an indispensable tool for those seeking to explore the wonders of the universe in greater detail.

The Celestron 93504 2x Barlow Ultima 1-1/4 Multi-Coated lens is an accessory designed to increase the magnifying power of your telescope. Here are some potential pros and cons that may help you make an informed decision about purchasing this barlow lens:

1. Increases magnification: The primary function of a barlow lens is to increase the magnification power of your telescope. With a 2x barlow lens, you can double the magnification of your eyepiece.

2. Improves resolution: By increasing the magnification, a barlow lens can help improve the resolution of the image you see through your telescope, allowing you to observe finer details.

3. Multi-coated: The multi-coated feature of this barlow lens means that it has multiple layers of anti-reflection coating on its surfaces, reducing the amount of light lost due to reflection and improving the overall image quality.

4. Compatibility: This barlow lens is compatible with most 1.25-inch eyepieces, making it a versatile accessory for various telescopes.

1. Reduces light: Increasing the magnification also reduces the amount of light that reaches your eyepiece, which can make the image dimmer.

2. Image instability: At higher magnifications, even the slightest vibrations or movements can cause image instability, making it harder to observe.

3. Increased cost: A barlow lens is an additional accessory, which means an added cost to your overall investment in telescope equipment.

The Celestron 93504 2x Barlow Ultima 1-1/4 Multi-Coated lens can be a valuable addition to your telescope setup if you're looking to increase the magnification and improve the resolution of your observations. However, it's important to consider the potential downsides, such as the dimmer image and increased cost, before making a decision. If you're primarily interested in observing brighter objects or planets, and you're willing to invest in a higher-quality barlow lens, then this accessory could be a worthwhile investment for you.

If you're considering purchasing the Celestron 93504 2x Barlow Ultima 1-1/4 Multi-Coated lens, I would recommend researching other barlow lens options as well to ensure that you're getting the best value for your money. Look for reviews, compare prices, and consider the specific features that are most important to you, such as the quality of the coating or the compatibility with your telescope and eyepieces. Ultimately, the decision to purchase a barlow lens depends on your individual observing goals and budget.

Details:

SCT Compatibility: The longer design is particularly well-suited for Celestron Schmidt-Grosgrain telescopes, frequently used before the diagonal. Optics: Features fully multi-coated optics for high light transmission and reduced internal reflections. While newer alternatives like the exist, 93504 remains a sought-after accessory in used market for its premium performance. It is highly regarded by amateur astronomers for its excellent optical quality and robust construction.

93506 Long vs. Usage Notes Planetary Observation: This Barlow is excellent for high-resolution lunar and planetary viewing, effectively doubling the focal length of telescope. Key Features of the Celestron 93504 Ultima Barlow Design: The is characterized as a long version, often recognized 3-element air-spaced achromatic design, which provides superior color correction and contrast compared to shorter, cheaper 2-element alternatives. Construction: Known for its metal construction, offering a high-quality feel compared to modern budget options.

Short 93504 Long Version: Often considered the original Ultima, preferred by some for its classic design.

part #: 93504 price

• $50.00

specifications telesfil:

• brand: Celestron
• mpn: 93504
• type: 2x Barlow 1-1/4
• unit type: Unit
• size: 1.25 In
• features: Fully Multi-coated
• country of origin: Japan

returns telesfil:

• policy: No Returns

payments telesfil:

• credit card: Visa
• wallet: Paypal
• other

seller telesfil:

• rating: 100.0%
• # reviews: 2763
• city: Tyler, Texas

shipping telesfil:

• cost: $8.75
• service: USPS Ground Advantage, UPS Ground Saver
• type: Calculated
• class: Standard, Economy
• carrier: USPS, UPS
• transit: 5-10 Days

general telesfil:

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

offer telesfil:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: May 6, 2026
• sold: 0

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