The Olympus 8×40 DPSI binocular has become popular with birdwatchers and hikers. In short, the secret of this binocular is that it is durable, high-quality finish and affordable.
To get the best bird watching experience, we’ve assembled pros and cons, technical parameters, and tips in this review. So that you will know exactly how it will give you support for your job purpose.

Olympus 8X40 DPSI Binocular Review


The Olympus 8×40 DPSI is an ideal choice for bird watching, hiking and camping. It is a small, lightweight, versatile and easy to handle binocular with a simple but elegant shape.
Despite being lightweight, this product offers outstanding performance including its waterproof feature along with a sure-grip rubber coating that helps to protect the lenses from scratches in addition to fingerprints. The rubber coating also ensures smooth surfaces on the lenses.
This binocular boasts of a wide and bright image due to its large 12 mm eye relief, which gives you easy viewing even for spectacle users.
The wide-angle field of view allows you to see what’s going on, no matter how fast it happens.
The large center focus knob is easy to find and use, and the extra wide eye relief ensures your eyes will remain comfortable throughout your viewing session.
It has Bak 7 lenses for maximum light transmittance and high-quality glass elements that produce razor-sharp images with excellent color fidelity, contrast and sharpness.
What’s Included on Olympus 8×40 DPSI Binocular Pack
- Binocular Case
- Neck strap
- Lens covers
- User manual
Technical Specifications
Magnification | 8 Times |
Objective Lens Diameter | 40 Millimeters |
Eye Relief | 12 Millimeters |
Field Of View (100 Yards/Degrees) | 429 feet/65° |
Exit pupil | 5 mm |
Close Focus Distance | 4M |
Lens coating | Anti-reflective |
Prism | Bak-7 Porro Prism |
Material | Rubber |
Color | Black |
Manufacturer | Olympus |
Item Dimensions | 2.28 x 7.17 x 5.47 inches |
Item Weight | 710 grams/1.57 pounds |
Country of Origin | Made in China for US distribution with US warranty. |
Pros
- The product is sure-grip rubber coated that helps to protect the lenses from scratches, dust and fingerprints making it easy to clean them by a soft cloth or lens cleaning tissue.
- This is ideal for someone looking for a compact mid-range binocular to take on all your adventures whether it’s watching birds, exploring the great outdoors, or sports event.
- This model has a Porro prism design which is simpler and more light efficient producing vivid, 3-D Images with excellent depth of field.
- The field of view is large and good for tackling long distance subjects.
- Magnification is perfect for viewing long range targets like birds, wildlife and distant objects without sacrificing image quality.
- The binoculars are light weight and compact which makes them easy to carry around with you.
Cons
- The lenses are not multi-coated or fully multi-coated.
- The device is not waterproof.
- The focusing wheel bit harder to work it properly
Alternatives In This Range
One size never fits all for people who enjoy bird watching, hiking, or camping. It’s good to have some options.
If you want to look at other similar binoculars in a similar price range, have a look at the following:






OLYMPUS 8-16X40 Zoom DPS I Binocular
This lightweight 16×40 Zoom Binocular features a BK-7 Porro prisms design that claims to increase light transmission without compromising the optical quality of your view.
You won’t even notice you’re carrying them with you as they weigh only 1.74 lbs.
It features an anti-reflective lens coating to reduce glare and reflection, so you can see more clearly and enjoy your view for longer periods of time.
Bushnell BoneCollector 10×42 Camo Binocular
This pair of binoculars comes with easy-to-use twist-up objective lenses which are said to prevent scratching and deterioration.
BoneCollector 10×42 can be used by both left- and right-handed people, so there’s no guessing whether they will fit your needs.
It also waterproof and fogproof, so you won’t have to worry about any problems that could be caused by weather changes. Plus, they feature a rubber armor on their sides that can protect them from drops on hard surfaces or even from small amounts of snowfall or rain.
Celestron Outland 8×42 Binocular
This Outland 8×42 binocular is great for birdwatchers, thanks to the high quality they provide at a low price.
They have multi-coated lenses that will help you see better in any condition and they are waterproof so they are usable in rain, fog or snow.
Designed with rubber armor and anti-slip gripping surface, you can use them for hours without you having to worry about them falling off your hands.
It features an large focus knobs and twist-up eyecups so that you can adjust the focus of your view with ease without needing to get up.
To get the best experience in optics industry, check the best 8×42 binoculars for greater outdoor journey.
First up is probably one of the most expensive products on our list.
Read more: There are plenty of other options in this $1000 range to choose from, and there are many expert reviews in the $50, $100, and $500 price ranges.
Wrapping Up
The one thing we need to remember is that these are just some of the products that you can find online. It’s up to you to decide which one will work for your needs.
If you want to go deeper in the search and make sure that the one you choose would cover your needs and expectations, then I suggest going even wider. Visit more shops, read more reviews, watch more videos and compare the specifications with other similar products.
Do this and you can be sure that the one you choose will work for your needs. And don’t forget: always consider the purpose you need it for; the type of bird watching (such as marine, terrestrial or shoreline); the terrain and weather conditions you may use it in; what features are important for your needs (size, weight, durability, etc.); and then only make a decision.
I hope you enjoyed the article, please leave your comments and questions below. I’ll be happy to answer them!
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