GMGold Black Wooden Picture Frame, Wood, Lot de 1 NOIR, 10x15 cm

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However, having said that, if ultimate image quality and brightness at a high magnification is not that important to you and you are only looking to be able to identify something at long distance and you need a small lightweight device these most certainly could work for you.

However at 20x power, it did look like I was looking down a straw, even with the eye-cups fully folded down and thus I would not recommend these should you need to wear your glasses whilst binning. At 8x Magnification: All binoculars with an 8x magnification and 25mm objective lenses have an Exit Pupil of 3.13 (25/8) and a Twilight Factor of 14.1, which if you compare them to a full size 8x42 binocular, which has an exit pupil of 5.25 and a twilight factor of 18.3, it shows that the increased objective lens diameter of the 8x42 binoculars will gather more light and make it possible for the binoculars to transmit more light to your eyes. This is the main compromise to using a compact over a larger pair of optics, but having said that in reasonably good lighting conditions like during the day, where your eye pupil size is only about 2 to 3mm, this will not be much of a factor, it is just at twilight and under poor light where you can really notice the difference. You must also remember that having a good pair of compacts even in poor light is still much better than having no binoculars at all! This Nikon compact has, what I think are actually two hinges (it is hard to see as they are located under a cover), with both hinges located very close to each other, meaning that they almost work like single a central hinge design. Whatever the case, the two barrels can be brought closer together or pulled further apart to match the distance between your eyes ( Inter-Pupillary Adjustment) by opening or closing the hinges. This adjustment felt smooth and there was the right amount of friction to prevent them from opening or closing too easily, but not too much so as to make moving them difficult. The minimum distance between the centers of the two eye-piece lenses that can be achieved is 56mm when fully folded and the maximum is 72mm when full opened. I could not find any details as to exactly what the interior frame or the exterior body is made of, but the exterior looks to be made from some sort of hard plastic. Nikon state that they have added a carbon fibre material in parts of the grip which they say enhances durability. I am guessing that this is in the parts of the barrels that have a thin dark grey rubber coating on them, which you can see as being the dark sections on the image below:The binoculars fit comfortably inside and are easy to take out and replace, but without being so loose that they flop about which is good. This is why I would suggest trying to mount any high power binocular onto a steady base like a tripod/monopod if you are going to use a magnification above 12x to 15x. Thus for me it is a shame that these binoculars are not easily tripod mountable using a standard binocular tripod adapter and thus to do so you will have to think a little outside the box and come up with your own plan or at the very least try and rest your elbows onto a steady surface like a table to minimize image shake. Ideal Uses: Like most compact binoculars, these are pretty good if you are looking for a take anywhere pair of binoculars, perfect for camping... although not if you are going to get them wet! I would take them hiking with me, if spotting birds and wildlife was not my main focus as they are let down by their poor field of view. I also see them sitting in the cubbyhole of my car, or in my golf or kit bag to be used at any time. I think where they may be ideal is at a sporting event, where you can use the zoom to take in some details on the field, although once again a wider field of view would have really been appreciated here. At no time did I detect any other obvious deformities in the view and once correctly focused was reasonably sharp and looked perfectly flat even at high magnifications, which in my experience, especially for a low cost zoom binocular is certainly not always the case. Whilst there is still certainly room for improvement, for a low cost compact zoom binocular these are as good as any that I have come across in the past at this level and the image at high power was better than I expected.

At the low 8x zoom setting, I did find that there was just enough eye-relief to use them whilst wearing glasses and get the full field of view. I measured these to have a length of 10.4cm, a width of 10.2cm (with the hinge open) and a depth of 4.5cm (with the hinge open). So here I am thinking of applications like hiking in the mountains or even as the instrument that a price conscious prepper would store in their survival / bug out bag as the Discovery Gator 8-20x25 binoculars could certainly be useful for scouting out terrain and looking for dangers or possible routes ahead of you. By improving the level of light transmittance and reducing unwanted reflections that can cause negative effects like ghosting, the level of Anti-Reflection Lens Coatings is one of the most important things to look for when buying binoculars. To calculate a centimeter value to the corresponding value in inches, just multiply the quantity in centimeters by 0.393701 (the conversion factor). Centimeters to inches formulaeA wide FOV can be important. So for example if you often view fast moving and difficult to follow objects at close range like birds.

If you’re looking to add a bit of texture to the interior of your property while maintaining a neutral and sophisticated colour scheme, Bumpy White wall tiles are ideal. To minimize reflection on the lens surfaces and ensure clear, sharp images, anti-reflective coatings are often applied. These anti-reflection coatings are very important as part of the light that passes through any lens is reflected by the front (incident light) and rear (exiting light) surfaces. This reduces the amount of light passing through the lens and if this transmittance is very bad, the image you see will be darker than on binoculars that transmit more light. Also, the reflected light may cause ghosting and flaring, affecting image contrast. As the simple eyecups are not really adjustable, there is not a lot you can do other than for them completely down or use them at the maximum setting.

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This is why I would suggest trying to mount your binocular onto a steady base like a tripod if you are going to use any magnification above 12x to 15x. Thus I feel it is a shame that these binoculars are not easily tripod mountable using a standard binocular tripod adapter and thus to do so you will have to think a little outside the box and come up with your own plan or at the very least try and rest your elbows on a steady surface like a table. It takes about 2½ turns of the wheel to go from maximum focus distance to the minimum. Thus I describe these as having a low geared focus mechanism. The advantage of this is that it makes fine focus adjustment easier, but on the flip side, it takes longer to make large focal adjustments than on those which take less turns. Another downside to them not being fully covered in rubber is that there is more chance of them making a louder sound if something like your watch or more commonly a ring on your finger strikes against them. Rubber armour dampens down the sound and helps to ensure that you don't frighten away easily spooked animals like birds or deer.