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Technical Details
- Compact binoculars
- Powerful 8-16x zooming capability
- Small size, lightweight design for hassle-free portability
- Fully multi-coated lenses for maximum brightness and contrast
- Long eye-relief with twist up/down eyepieces
Product details
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Product Description
Product Description
How to read binocular specifications
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The Olympus 8-16x25 Zoom PC I Binoculars: For Sightseeing and Spectator Sport These Stylish and Compact Binos Score Big with a Powerful 16x Zoom
For when portability is as important as optical quality there is the Olympus PC I series of binoculars; aimed at the urban dwelling sports and sightseeing enthusiast, the 8-16x25 Zoom PC I features a sleek, stylish design yet compact dimensions. While great as a general use pair of binos, they excel when utilised for bird watching, if added to your kit bag when camping and hiking, plus are superb for use at sports events and when travelling.
These standard porro prism type binos feature a multi-coated lens for maximum image brightness and contrast, high quality optics, plus the added worry-free feature of UV (ultraviolet) protection. Added to the mix are precisely ground prisms and lenses made of brightness-enhancing barium crown glass (Bak-4) to ensure clarity and brightness to the very edge of the field of view.
Peace of mind and years of pleasure are further guaranteed thanks to a 25-year European warranty.
Exit pupil explained
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Optical Perfection, Day or Night
This particular zoom model offers 8x to 16x magnification and a 25mm objective lens diameter. As it sounds, up to 16x magnification produces an image that appears as if the user were 16 times closer to their subject, while the objective lens diameter refers to how much light can be gathered to form that image. While for daytime use a lens diameter of 21 to 25mm is ideal.
Also worth considering for low light work is the exit pupil. Here that is 3.1 to 1.6 mm, which for 8x25 binoculars, for example, is arrived at via 25 divided by 8 = 3.1 exit pupil in mm, so beyond the 2-3mm which is generally thought of as being suitable for daylight use. Another thing to take into account is the field of view, which here, due to the zoom capability, is 79-51 metres, and is defined as the width of the viewable field at a distance of 1000m from the point of observation. Closest focusing distance is five metres.
Angle of view
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Versatile and Bright, These Binos Will Place Nature in the Palm of Your Hand
Offering an 8x to 16x zoom magnification to bring faraway points of interest that much closer plus a 25mm objective lens diameter, the 8-16x25 Zoom PC I Binoculars incorporate multi coated lenses to deliver maximum image brightness, visual impact and image defining contrast.
Fast and easy focusing is provided courtesy of a large, centrally placed knob. The 8-16x25 Zoom PC I further sports a 15-12mm eye relief for extra comfort, plus diopter adjustment for comfortable viewing without glasses.
Prism types explained
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Engineered for Excellence, Built to Last
Boasting a tactile and ergonomic design and weighing 315g, the 8-16x25 Zoom PC I measurements are a manageable 114x111x48mm, while the package includes a neck strap, case and protective lens covers.
In summary, with a lens configuration of 6 elements in 4 groups, and a 15-12mm eye relief, the field of view at 1000m is 79-51mm. The actual field of view is 4.5° to 2.9° while the apparent angle of view is 36° to 46.4°.
These are also binoculars that will repay your original investment with years of good service. A case in point: a 25-year warranty is included with any purchase.
 |  | |
| Model | 10-30x25 ZOOM PC I | 8-16x25 ZOOM PC I |
|---|---|---|
| Magnification | 10-30x | 8-16x |
| Objective Lens Diameter | 25mm | 25mm |
| Exit Pupil | 2.5-0.8 | 3.1-0.8 |
| Relative Brightness | 6.3-0.7 | 9.8-2.4 |
| Actual Field of View | 3.2°-1.9° | 4.5°-2.9° |
| Field of View at 1000m | 56-33mm | 79-51mm |
| Apparent Angle of View | 32.0°-57.0° | 36.0°-46.4° |
| Near Focus Distance | 5m | 5m |
| Eye relief | 15-8mm | 15-12mm |
| Adjustable Eyepiece | • | • |
| Dioptric Correction | >± 2m¹ | >± 2m¹ |
| Eye interval adjustment range | 58-70mm | 58-70mm |
| Weight | 315g | 315g |
| Dimensions WxHxD | 114x111x48mm | 114x111x48mm |
| Prism Type | Porro | Porro |
| General Use | • | • |
| Boating | ||
| Travelling | • | • |
| Camping / Hiking | ||
| Bird Watching | ||
| Sports / Events | • | • |
| Astronomy | ||
| Theatre / Indoor Events |
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Customer Reviews
Most Helpful Customer Reviews
23 of 23 people found the following review helpful
I bought these binoculars based on a very positive review of the Olympus 8x25's, because I wanted a pair with zoom.
At 8x magnification they're great and then, if you want to zoom in you can move up to 16x magnification. This is easy enough to do, but it does require you to adjust the focus slightly.
I was surprised to read in the previous review that they were having trouble with these binoculars when wearing glasses. I wear glasses and I've had no problems.
At 8x magnification they're great and then, if you want to zoom in you can move up to 16x magnification. This is easy enough to do, but it does require you to adjust the focus slightly.
I was surprised to read in the previous review that they were having trouble with these binoculars when wearing glasses. I wear glasses and I've had no problems.
14 of 14 people found the following review helpful
These are lightweight binoculars that one can keep in a largish pocket and have remarkably good optical properties for the price with very little distortion -- to my mind, one would have to pay at least double this price for a compact pair with even less distortion.
Like other models of this type, achieving the correct focus takes a little bit of practice and will never be as easy as doing so on a large old-fashioned pair with much larger lenses. The instructions do not make it clear that it is much easier to use them with the eye pieces pulled out whether or not one wears spectacles.
Whether or not the zoom facility is something that is useful seems to be a matter of personal taste (I certainly have found it useful): on the x8 and x10 settings they are easier to focus on the subject and these settings cover most of the uses to which the owner is likely to put these binoculars. As is usual, on the x16 setting, one requires a higher light level, but for a system that uses an objective lens of only 25mm, one can use the extra magnification down to pretty low light levels and this facility can be really useful to identify that elusive object in the distance. It is very easy to adjust the zoom and, of course, one then has to refocus to achieve the sharpest image.
If cost is no object (over double the price), then I can think of at least one alternative that is slightly better (a joint 'best buy' with this series in Which? Magazine's test), but in terms of value for money, this must come out top and I doubt that many people would ever notice the difference between the two best buys.
Like other models of this type, achieving the correct focus takes a little bit of practice and will never be as easy as doing so on a large old-fashioned pair with much larger lenses. The instructions do not make it clear that it is much easier to use them with the eye pieces pulled out whether or not one wears spectacles.
Whether or not the zoom facility is something that is useful seems to be a matter of personal taste (I certainly have found it useful): on the x8 and x10 settings they are easier to focus on the subject and these settings cover most of the uses to which the owner is likely to put these binoculars. As is usual, on the x16 setting, one requires a higher light level, but for a system that uses an objective lens of only 25mm, one can use the extra magnification down to pretty low light levels and this facility can be really useful to identify that elusive object in the distance. It is very easy to adjust the zoom and, of course, one then has to refocus to achieve the sharpest image.
If cost is no object (over double the price), then I can think of at least one alternative that is slightly better (a joint 'best buy' with this series in Which? Magazine's test), but in terms of value for money, this must come out top and I doubt that many people would ever notice the difference between the two best buys.
3 of 3 people found the following review helpful
well a superb product and highly recomended, small and light and so easy to adjust and focus not the biggest range but clear and so easy to carry all the time you go out. does what it says on the box and cant say any more... colin..Olympus 8-16 x 25 Zoom PC I Binoculars
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Most Recent Customer Reviews
Olympus 8-16 x 25 Zoom PC I Binoculars
Olympus 8-16 x 25 Zoom PC I BinocularsA light weight and compact pair of Binoculars. I went for this zoom range (8-16) as I thought the 10-30 zoom would suffer from too much shake... Read more
Published 7 days ago by Mr. K. A. Slegg
Not great
Not easy to use or as small that was made out to be. I bought these for my father and he was wasn't overly happy with them. Read more
Published 12 months ago by Aoife
Nice but 10-30x25 are better
Bought these as i thought the same model in 10-30x were too dark, but even though at 30x they are indeed not very bright in low light condition, up to 25x even in late afternoon... Read more
Published 12 months ago by Nico
Great small size Binoculers
Olympus 8-16 x 25 Zoom PC I Binoculars ideal for walkers etc you will not be disappointed Olympus know lenses cameras and binoculars!!
Published 14 months ago by P Ridgarde
Clueless
Bought for watching cricket only so just bought these because of the cheapness not knowing anything whatsoever about binoculars . Read more
Published 20 months ago by slikwipman
Not so good.
After owning these for aover a year we are disappointed. The zoom function is of no value at all. The binoculars are OK at the 8x setting but will not focus at a higher setting... Read more
Published on 5 Nov 2008 by Fred
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