Vortex Diamondback 8×42 vs 10×42 – Which Binoculars Produces Crisper Images?

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Vortex Diamondback 8x42 vs 10x42

Some people are familiar with binoculars and what they can do but there has long been debate about which between the Vortex Diamond 8×42 and the 10×42 models can produce crisper images. Read on to find out. 

Birdwatching is a hobby that I have had for most of my life. My father introduced me to it at the age of ten and I immediately fell in love with this quiet pass time. On most weekends, when I am available, I like to go up to Myakka State Park in Florida to bird watch with a group of regular birdwatchers.

Binoculars are an integral part of this sport and I love to have the best available in the market. I recently had my favorite pair of binoculars break on me and while it was not in my budget, I just had to have them.

However, deciding between two models with the same lens but different magnification proved challenging. So, I made a review of them to help myself and others select the best of the two.

What are the differences between Vortex Diamondback 8×42 vs 10×42?

 
Vortex Diamondback 8×42
Vortex Diamondback 10×42
Magnification
8x
10x
Lens Diameter
42mm
42mm
Field of View
393 feet
345 feet
Exit Pupil Diameter
5.2mm
4.2mm
Eye Relief
18mm
15mm
Dimensions
5.9 x 5.6”
5.9 x 5.1”
Weight
714 g
607 g
Availability

Vortex Diamondback 8×42 vs 10×42 – How do they compare?

Magnification

In terms of their design, the 10×42 is a lighter than the 8×42 because they need different lenses and glass to create a higher magnification power. Otherwise, both binoculars are quite similar in size and dimensions because they use the same body components. However, this factor is not quite significant enough to make a decision based solely on this.

Optics

While high powered binoculars bring you more image detail, they also have their disadvantages. You will be able to see further with a higher-powered binocular but beware that any movement you make is multiplied by the binocular’s magnification.

This means that it is harder to keep the image steady on the 10×42 for most users. For those who suffer from shaky hands, the 8×42 is the better choice.

Field of View 

A more zoomed-in image on a high power reduces the field of view. While this is no real problem when viewing objects at a far-off distance, if the target is closer, you don’t see the whole picture leading to missed details.

If you are bird watching, it would be easier for you to find and track your target across the 8×42’s wider field of view at 393 feet as compared to the narrower 345 feet field of view created by the 10×42. 

Exit Pupil

The exit pupil, which lets in shafts of light through the lens, and your eyes’ pupils, in varied lighting, work in tandem to create the difference in light gathering between these two binoculars. While the 8×42 creates a 5.25mm diameter exit pupil, the 10×42 creates a smaller one of 4.2mm. 

In good lighting, the normal human eye pupil constricts to a size between 2-4mm making both binoculars able to provide more than enough light to your eye to create a brighter image. With these light appropriate conditions, the difference between the two is not that significant.

When the light is low like before sunrise or during sunset hours, your pupil’s eye expands to take in more light. The larger exit pupil of the 8×42 makes for a better binocular because it will gather more light compared to the 10×42.

Eye Relief  

Higher magnifications require thicker lenses which means that lesser light passes through them. This further proves the reason why the 8×42 creates brighter images even in low light compared to the 10×42.

The larger exit pupil on the 8×42 makes it easier for you to line up your eyes with the shafts of light coming through the binoculars as compared to the 10×42. They are thus more forgiving and can achieve an aberration-free image with no black rings forming on the edges of your view.

If you wear glasses, 8×42 have a longer eye relief at 18mm allowing you to achieve the full field of view without those black rings on the edges.

Vortex Diamondback 8×42 vs 10×42 – A Comparison Overview 

Vortex Diamondback 8X42 Review 

Vortex Optics Diamondback Roof Prism Binoculars 8x42
  • 8x magnification and 42mm objective lenses, these Diamondback binoculars are the workhorse of Vortex...
  • Dielectric, fully multi-coated lenses transmit more light and clearer, brighter images. A field of view...
  • A sleek, short hinge design with rubber armor and thumb indents leaves more room for your hands creating...
  • Multi-position eyecups twist up for adjustable eye relief. A right eye diopter accomodates for focal...

Vortex Diamondback built this binoculars chassis out of magnesium which makes it lightweight while still being sturdy enough for a strong structure. It is fitted with a small hinge that makes operations much easier and more effective.

This binocular has a 42mm diameter lens that is fully multi-coated and waterproof. It has a roof prism with phase correction coating which enhances the image contrast, and a field of view up to 393 feet. The weight is at 714 grams making it manageable for both kids around age 9 or above and adults.

With these binoculars, you get 8x magnification which coupled with the exit pupil measuring 5.2mm, gives you bright and clear images. It also has a wider field of view which makes it perfect for viewing and tracking fast-moving objects easily.

It also gives 17mm of eye relief which is ideal for those spectacled individuals who love observing the wild, outdoor life.

Pros

  • Comfortable and lightweight
  • Large field of view
  • Easy focus
  • Crystal clear images
  • Perfect for low-light conditions
  • Waterproof
  • Anti-fog

Cons

  • Not quite ideal for daytime viewing

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Vortex Diamondback 10×42 Review 

Vortex Optics Diamondback 10x42 Roof Prism Binocular
  • Roof prism full-size 10x42 binoculars provide 10x magnification through a 42mm objective lens.
  • VIP Unconditional Lifetime Warranty means Vortex Optics will fix or repair at no cost to the customer, no...
  • Multi-coated optics and phase corrected prisms
  • Waterproof and fogproof protection

These binoculars are quite nice and stylish and they are built with ergonomic measurements. The rubber armor fits tight around them and helps to keep the binoculars securely in your grip. You should find it easy to hold with the thumb indents.

Looking through them should pose no frustration or strain because the eyecups have been rubberized and offer you three positions for regulations. They offer 10x magnification through a 42mm diameter lens.

The lenses are multicoated, fog, and waterproof as well. They come with a rain guard, tethered lens covers, a molded custom carry case, and a comfortable neck strap. They have a 345 feet field of view and 5 feet at close view.

Pros

  • Strong, ergonomic casing
  • Minimal astigmatism
  • Great color
  • Little dark edges in FOV
  • Clear and clean optics

Cons

  • Chromatic aberration on edges of FOV
  • Some image distortion

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Conclusion 

None is quite more superior but the 8×42 has lower power and wider FOV making them perfect for close to mid-distance watching to follow small and erratic moving targets. They also provide brighter images in low light. this is ideal for woodland forests and when the sun is on or just below the horizon.

10×42 are great for normal to good light conditions for mid to long distances suiting best those who work in the daytime in wide-open spaces like on the hills, out at the coast, or out on the lakefronts.

Final Verdict: So, which is better? Vortex Diamondback 8×42 or 10×42?

All factors considered, the Vortex Diamondback 8×42 is better than the 10×42 binoculars. This is because they provide more light-gathering abilities, lesser chromatic aberration, better eye relief, less shake, and crisper images.

FAQs

What makes the Vortex Diamondback’s lenses full-proof?

The lenses are Argon gas purged and o-ring sealed to prevent fogging, dust and moisture from seeping into the binoculars chamber. This maximizes their effective performance in all conditions.

Which binoculars are best for children?

The 8×42 binoculars are best for kids. This is because they offer a wider field of view that is more forgiving to their little, shaky, and unsteady hands.

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