- Sport binoculars with an 10x magnification, provide an apparent field of view of 60 degrees and 344.5 feet at 1,000 yards
- Lenses and prisms are manufactured with multilayered coating, ensuring a bright and clear visual range
- Roof prism has phase correction C3 coating and a highly reflective aluminum coating to ensure sharp images and accurate color reproduction
- Housing is waterproof and filled with dry nitrogen gas to prevent the lens from fogging for use in the rain and other harsh weather conditions
- Weighs 19.93 ounces, measures 4.8 x 2 x 5 inches (W x H x D), and is backed by a manufacturer's lifetime product warranty
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Product Description
The Kowa BD32-10 High Performance 10x32 millimeter Binoculars (Green) are sporting optics of the highest quality. These high-performance binoculars are built with a rugged construction, and a full set of features, making them perfect for anybody looking for portable magnification, be it for purely recreational uses, or more serious outdoor exploration.
All the lenses and prisms in the BD32-10 binoculars are manufactured with multi-layered coating, ensuring a bright and clear visual range, while the roof prism has phase correction coating and a highly reflective aluminum coating to ensure sharp images and accurate color reproduction. Through the use of a Bak4 prism these Kowa binoculars are able to give you bright, clear images all the way to the edge of the objective lens. Kowa's BD32-10 roof prism uses the schmidt-Pechan prism, where one surface of the Pechan prism does not provide total reflection, so they have applied a highly reflective multi-coating of dielectrics, called a C3 coating. This allows for a much higher reflectivity than with coatings of silver or optically-enhanced aluminum, offering a reflectance of 99-percent or higher across the entire visible spectrum of 400 to 700 millimeters. Not only does this increase the brightness and sharpness of the images, but ensures an accurate color reproduction is also achieved. Furthermore, the roof surface of the Schmidt prism is phase coated (phase correction coated) to prevent the loss of contrast and image resolution.
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Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com:
2 reviews
Kowa BD 32-10 field review...
18 April 2012
I recieved a pair of Kowa BD 32-10 binoculars a week ago and have had them in the field every day and wanted to give an initial review.
My motivation for getting a 10 power was to be able to identify local hawks and falcons with a bit more ease. Moving closer to the bird to take advantage of my 8 power did not work. Often the bird would fly off before I could get close enough to see the detail that I would like to.
Weight and size - the BD is right at 19 ounces...I like the weight. This size - 5 inches by 5 inches by 2 inches - is about right for me, I do not struggle with fit and while the binocular is small it is viable tool for observation.
Outer covering - I really like the green and black rubber armoring, it has indentations and a non slip texture that promotes ease of use.
Eye relief - more important than weight and size as I wear prescription lenses. The Kowa features usable eye relief of 15 mm. There is an eye cup adjustment that features 4 settings and it is solid - a definite click at each stop. This is a great option if you do not wear glasses.
Field of view is 315 feet/1000 yards - which is too narrow. In practical terms, I could not follow birds in flight up close as easy as I could with a smaller power binocular. But to get more field of view in a quality 10x32, you may have to spend more.
In the field. I was able to identify "that large raptor," as an Osprey and see the variations in red tail hawks. The Kowa got me close enough to identify a female Kestrel and watch as she enjoyed a small mouse for breakfast. And I was able to identify a black throated sparrow - not an uncommon visitor but not a regular.
Optic performance - is adequate, with a very slight change in clarity at the edge of the view, a wide sweet spot, and on occasion certain edges will have either a very faint yellow or blue fringe but this is not consistent. The view is clear and the resolution adequate. The Kowa has Schmidt/Pechan roof prisms, fully multicoated lens that provides a bright view. It is a step - albeit a very small one - below the current XD/HD optic glass on the market. Objective size - 32mm versus 42mm - the difference is not noticeable to me until about 10 minutes before night fall. At that point, the 8x42 bypassed the Kowa in performance in terms of light gathering. The diopter adjustment works well but it is does not lock to prevent change in setting during use and for the price, this is a significant over sight on Kowa's part as binoculars with comparable prices have this feature.
If you are looking for a rugged, small binocular for either hunting or specialized to watch birds at distance - raptors, waterfowl or birds in difficult but open terrain, these Kowas are an great tool for that purpose. If you are looking for an multi purpose binocular, I would opt for an 8x42 or an 8x32 in one of the mid price range optics that features HD/XD glass, fully multicoated lens and light weight design.
This little binocular earns a strong 4 star rating. A wider field of view and a locking diopter would have resulted in an enthusiastic 5 stars.
Recommended for hunters and the dedicated raptor/distance birder who does not want to pack a spotting scope.
My motivation for getting a 10 power was to be able to identify local hawks and falcons with a bit more ease. Moving closer to the bird to take advantage of my 8 power did not work. Often the bird would fly off before I could get close enough to see the detail that I would like to.
Weight and size - the BD is right at 19 ounces...I like the weight. This size - 5 inches by 5 inches by 2 inches - is about right for me, I do not struggle with fit and while the binocular is small it is viable tool for observation.
Outer covering - I really like the green and black rubber armoring, it has indentations and a non slip texture that promotes ease of use.
Eye relief - more important than weight and size as I wear prescription lenses. The Kowa features usable eye relief of 15 mm. There is an eye cup adjustment that features 4 settings and it is solid - a definite click at each stop. This is a great option if you do not wear glasses.
Field of view is 315 feet/1000 yards - which is too narrow. In practical terms, I could not follow birds in flight up close as easy as I could with a smaller power binocular. But to get more field of view in a quality 10x32, you may have to spend more.
In the field. I was able to identify "that large raptor," as an Osprey and see the variations in red tail hawks. The Kowa got me close enough to identify a female Kestrel and watch as she enjoyed a small mouse for breakfast. And I was able to identify a black throated sparrow - not an uncommon visitor but not a regular.
Optic performance - is adequate, with a very slight change in clarity at the edge of the view, a wide sweet spot, and on occasion certain edges will have either a very faint yellow or blue fringe but this is not consistent. The view is clear and the resolution adequate. The Kowa has Schmidt/Pechan roof prisms, fully multicoated lens that provides a bright view. It is a step - albeit a very small one - below the current XD/HD optic glass on the market. Objective size - 32mm versus 42mm - the difference is not noticeable to me until about 10 minutes before night fall. At that point, the 8x42 bypassed the Kowa in performance in terms of light gathering. The diopter adjustment works well but it is does not lock to prevent change in setting during use and for the price, this is a significant over sight on Kowa's part as binoculars with comparable prices have this feature.
If you are looking for a rugged, small binocular for either hunting or specialized to watch birds at distance - raptors, waterfowl or birds in difficult but open terrain, these Kowas are an great tool for that purpose. If you are looking for an multi purpose binocular, I would opt for an 8x42 or an 8x32 in one of the mid price range optics that features HD/XD glass, fully multicoated lens and light weight design.
This little binocular earns a strong 4 star rating. A wider field of view and a locking diopter would have resulted in an enthusiastic 5 stars.
Recommended for hunters and the dedicated raptor/distance birder who does not want to pack a spotting scope.
Kowa BD 10x32mm Binoculars short review
24 Feb 2012
Amazon Verified Purchase
Image resolution and color excellent. The image is very contrast and very bright for a 32mm diameter.
minimum focus of 1.5m is very good, enables me to see insects and not only birds.
I have some minor things that I don't like:
focus ring is to slow
direction of focus opposite from what I am used in my other binoculars
6 degree angle is OK but I prefer 7 or even 8
at the price they are sold I think it's a very good purchase
minimum focus of 1.5m is very good, enables me to see insects and not only birds.
I have some minor things that I don't like:
focus ring is to slow
direction of focus opposite from what I am used in my other binoculars
6 degree angle is OK but I prefer 7 or even 8
at the price they are sold I think it's a very good purchase
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