Celestron Granite ED 10×42: Ideal Companion for Bird Watching


The Celestron Granite ED 10×42 binocular has gained significant popularity among bird watchers for its exceptional optics, durable build, and reliable performance. In this comprehensive review, we will delve into the pros and cons of this model and compare it with other top-ranked binoculars for bird-watching on the market. Additionally, we will analyze whether the higher price tag is justified by its features and performance. After reading this review you can decide if Celestron Granite ED 10×42 is worth being among the best high-end binoculars for bird-watching.


The optics of the Celestron Granite ED 10×42 binoculars are truly impressive, delivering clear and vibrant images. Equipped with extra-low dispersion (ED) glass and fully multi-coated lenses, this binocular provides excellent color fidelity and minimizes chromatic aberration. The 10x magnification offers a close-up view of birds, while the 42mm objective lenses ensure ample light transmission for enhanced visibility, even in low-light conditions. Users have reported crisp details and remarkable image clarity when observing avian species.

Build Quality

Celestron has crafted the Granite ED 10×42 Binocular with a rugged and ergonomic design. The binocular features a magnesium alloy chassis that offers durability and lightness, making it comfortable to hold for extended periods. The rubber armor coating provides a secure grip and adds an extra layer of protection against impacts and moisture. The binocular is also nitrogen-purged and waterproof, ensuring reliable performance in various weather conditions, a crucial aspect for bird-watching enthusiasts.

Ergonomics and Comfort

The Celestron Granite ED 10×42 Binocular is ergonomically designed, with a well-balanced weight distribution that reduces strain during prolonged use. The twist-up eyecups offer comfortable viewing for both eyeglass wearers and non-eyeglass wearers. The focus wheel is smooth and precise, allowing for quick adjustments when tracking fast-moving birds. Several reviews have praised the binocular’s comfortable handling and ease of use.

Comparison with Other Top-Ranked Binoculars

When compared to other top-ranked binoculars for bird watching, the Celestron Granite ED 10×42 stands out in several areas. Its exceptional optics, including the use of ED glass, deliver superior image quality and color accuracy. The rugged build quality ensures long-lasting performance and protection against environmental elements. Additionally, its ergonomic design and comfortable handling make it an excellent choice for extended birding sessions. While there are other worthy contenders, the Celestron Granite ED 10×42 offers a compelling balance of features, performance, and durability.

One notable competitor is the Nikon Monarch 7 10×42 Binocular. Both models share similar specifications, including 10x magnification and 42mm objective lenses. However, the Celestron Granite ED stands out with its use of ED glass, which effectively reduces chromatic aberration and delivers sharper, clearer images. The Nikon Monarch 7 offers excellent optics and a durable build, but the Celestron Granite ED edges ahead in terms of optical performance.

Another popular contender is the Vortex Optics Viper HD 10×42 Binocular. The Viper HD boasts premium HD (high-density) extra-low dispersion glass for exceptional image quality. It offers similar optics to the Celestron Granite ED, but the Granite ED’s magnesium alloy chassis provides better durability and protection. Additionally, the Celestron model has a slightly larger field of view, which can be advantageous when observing birds in flight.

Celestron Granite ED 10×42 Pros and Cons


  • Exceptional image quality and color fidelity
  • ED glass and multi-coated lenses reduce chromatic aberration
  • Rugged magnesium alloy chassis with rubber armor coating
  • Waterproof and nitrogen-purged for reliable performance in any weather
  • Comfortable and ergonomic design for extended use


  • Relatively higher price compared to entry-level binoculars
  • Slightly heavier than some compact models

Is the Higher Price Justified for Bird Watching?

The Celestron Granite ED 10×42 Binocular is positioned in a higher price bracket compared to entry-level options. However, the enhanced optics, durable construction, and ergonomic design justify the higher price tag for serious bird watchers. The improved image quality and long-lasting build make it a worthwhile investment, especially for those who prioritize excellent performance and durability.

General Features

Objective Lens Diameter42mm (1.65″)
Angular Field of View6.5°
Linear Field of View (@1000 yds) / @1000 m)342 ft (104 m)
Exit Pupil4.2mm (.16″)
Eye Relief15mm (.6″)
Close Focus8.2 ft (2.5 m)
Interpupillary Distance (max)73mm (2.87″)
Interpupillary Distance (min)56mm (2.2″)
Diopter Adjustment Range±3
Twilight Factor20.49
Relative Brightness17.64
Limiting Stellar MagnitudeIdeal: 10.62
Moderate: 9.62
Poor: 8.62
Lens CoatingsFully Multi-Coated
Prism Glass (Type)BaK-4
Prism CoatingsPhase Coated
Weight23.4 oz (633 g)
Environmental ProtectionWaterproof
Nitrogen FilledYes
Tripod AdaptableYes
Carrying CaseDeluxe Soft Case w/ Pocket
Dimensions142mm x 124mm x 51mm (5.6″ x 4.9″ x 2″)
Included ItemsNeck strap
Harness strap
Objective lens caps
Carrying Case
Lens Cloth
Instruction Manual
Best place to buyCheck the price and availability


The Celestron Granite ED 10×42 Binocular is a top-tier choice for bird watchers, offering outstanding optics, rugged build quality, and comfortable handling. While it comes with a higher price compared to entry-level models, the investment is worthwhile for enthusiasts seeking superior image quality and long-term durability. When compared to other top-ranked binoculars on the market, the Celestron Granite ED 10×42 holds its own, thanks to its ED glass, exceptional color fidelity, and ergonomic design.

In summary, while the Celestron Granite ED 10×42 binoculars come with a higher price tag, its superior optics, durable build, and ergonomic design make it a standout choice for bird-watching enthusiasts, and become one of the best high-end binoculars for bird-watching in its class. The use of ED glass and multi-coated lenses ensures excellent color accuracy and image clarity, while the rugged construction and waterproofing guarantee long-lasting performance in any weather conditions. When compared to other top-ranked binoculars, the Celestron Granite ED 10×42 holds its ground and offers a compelling package for serious birders seeking exceptional quality and durability.

Read more reviews of other high-quality binoculars HERE

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