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If you start to see cords, then the tire needs to be replaced immediately. Sometimes damaged tires can be repaired — if your tire was damaged, i have a set of 2754520 vredestein wintrac 4 extreme tyres and a set of form 20" alloys to fit a volvo xc90 , tyres brand new , wheels used but very good condition This roof prism Pentax binocular uses a center focusing (internal focus) lens construction. The eyepiece consists of 5 elements in 4 groups, with the outermost ocular lens having a diameter of 17mm. The 28mm objective lenses consists of 3 elements arranged into 2 groups. Pentax have used good quality BaK-4 roof prisms as opposed to the cheaper and inferior BK-7 prisms. The prisms and lenses also have a number of coatings on them that help to increase their transmittance and the quality of the image produced which I will go thorough in more detail below: michelin case in very good condition , came of tubeless , about 7mm tread on 1 side but balding on the other
As with most roof prism binoculars, the diopter adjustment is located on the right barrel, between the eyecup and the barrel. This is used to correctly focus the binoculars to your particular eyesight and only really needs to be set up once when you use your binoculars for the first time. The field of view for these 9x28 binoculars is 98m at 100m / 294ft at 1000 yards (5.6°) - which is pretty good. As suspected it may not be quite as wide as the very best 8 compacts out there, but is better than most 10x ones which is exactly what I think Pentax set out to achieve. With both sizes the last number is the RIM (the diameter of the hole in the middle of the tyre) in inches (28 inches in our example). The first number is the tyre WIDTH (know as Section Width), and in our example it would be 16.9 inches or 420mm. The 'R' if presents means you have a tyre of RADIALconstruction, and the '-' if present means the tyre is of CROSSPLY construction. here i have a apir of 17.5x24 mitas loader tyres little traed but good sound caseings sold as apair tire pressure on a regular basis since changing temperatures can raise and lower tire pressure naturally.Strong Points: I really like the 9x magnification and they work perfectly as a halfway point between the more conventional 8x and 10x compacts, with just a little more reach than those with 8x, but without sacrificing too much field of view. Their optical performance is very good and they compare very well with compact binoculars that are far more expensive than these. As I said, I am not sure if, or which one of these coatings are used on this Pentax, but my guess is that it would either be a sliver or aluminium one as if it was a dielectric mirror coating, they would definitely highlight the fact.
Like the magnification, the objective lens diameter makes a big difference to how a binocular performs and as a result which areas it is most suitable for use. On the underside of the body there are two thumb indents in the rubber armor on each barrel, these help by encouraging you to hold the binoculars in the right place, to ensure that they are nicely balanced when holding them up to your eyes. good year, terra tyres wheels and tyres, 35mm tread, 10stud 335mm pcd, 220mm offset. these wheels will fit combines and large tractors, good condition, sold as pair. here I have a second hand pair of 4207028 firestone radials with about 30% tread , they are in good condition and came off tubeless, sold as pair here I have a very good set of 18.4x26 ( rears) + 411400x20 ( fronts )turf wheels and tyres off a same 70, deutz, lamborgini, and some ford tractors
Similar New Holland 3600-2TX
as new 4456522.5 (18x22.5)Michelin xzy tyre , as new but has had a major vulcanise repair, tyre in perfect usable condition, 1 only
neproshina open centre tyres as new on 10 stud rims, in good condition,, price each complete on rims The metric sizes (420/85R28) tell you the PROFILE percentage after the width, here it is 85% profile (this means the side walls on the tyre are 85% as tall as the width of the tyre). This profile can be ignored if your tyre size if written in imperial as it is not given.In their marketing material, Pentax also state that they have used a "Sub-prism-Super-refraction coating." I have not been able to find out exactly what this is, but my guess is that it is a highly reflective mirror coating used on the prism. These coatings are often found on the better roof prism binoculars because whilst this prism design has many advantages over the porro prism design, it does have one major problem in that one surface of the prism does not have total internal reflection. Therefore to get the best optical performance it is very important for to raise the reflectivity of this surface and to do this, a mirror coating is used on those surfaces. Hopefully, I have been able to demonstrate that even within the subset of compact binoculars, the combination of the lens size and magnification has a big effect on its performance and making the right choice for your particular needs is important. Ideal Uses: Like most compact binoculars, these are ideal if you are looking for a take anywhere pair of binoculars, perfect for camping and I would take them hiking with me even if spotting birds and wildlife was not my main focus. I also see them sitting in the cubbyhole of my car, or in my golf or kit bag to be used at any time. Compacts like this are also great for taking to most sporting events.
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