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EDIT: FR - Native Dash XP glasses - Roger Caffin

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  • theMiddleSister@usaring.com
    Roger, Only one tiny edit and you are good to go snowshoeing without worry! (I can only wish for such lovely weather right now! It s hot and thoroughly muggy
    Message 1 of 1 , Jul 30, 2008
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      Only one tiny edit and you are good to go snowshoeing without worry! (I can
      only wish for such lovely weather right now! It's hot and thoroughly muggy
      in Michiga!)

      See you in two months.

      Native Dash XP Sun Glasses Test Monitor
      I have tried some sun glasses with straight arms, and that they caused
      ear-ache when my hat pressed down on the tips of the arms.
      EDIT: Either you need to add a word - maybe "found" between "and that" or
      delete "that"?

      ----- Original Message -----
      From: "Roger Caffin" <roger@...>
      To: <theMiddleSister@...>
      Sent: Wednesday, July 30, 2008 5:35 PM
      Subject: FR - Native Dash XP glasses - Roger Caffin

      > Hi Kathy
      > Herewith FR.
      > HTML at
      > http://www.backpackgeartest.org/reviews/test/TESTS/FR%20-%20Native%20Dash%20glasses%20-%20Roger%20Caffin/
      > I am away for 2 weeks snow shoeing from 8-Aug, but I don't think that
      > will be a worry?
      > Cheers
      > Roger
      > ---------------------
      > Test Report - Native Dash XP Sunglasses
      > Report Contents
      > Field Report
      > 5-August-2008
      > Field Report - 5-August-2008
      > Field Test Conditions & Locations
      > Over the last 2 months I have taken these glasses on a day walk nearly
      > every weekend, sometimes around Sydney at low altitude near home (up
      > to 250 m or 800 ft), and sometimes up in the Blue Mountains a little
      > further away (up to 1,000 m or 3,300 ft). Temperatures have been mild
      > rather than hot, and cloud cover has been variable. Indeed, on many of
      > these day walks I didn't really need dark glasses. However, the
      > glasses came with two pairs of lenses, one dark and one 'not very
      > dark', so I have been able to use the glasses with the lighter lenses
      > at times.
      > Sweat
      > Temperatures have been mild, so in general I haven't been able to get
      > very hot and sweaty - except when going uphill of course. Compared
      > with some other sun glasses with heavier frames which I have tried, I
      > have to say these Native Dash XP sun glasses have been light on my
      > face and haven't felt sweaty, either inside the lenses or at the nose
      > pads. Whether or not that means the ventilation holes across the top
      > did anything wonderful - that is another matter. On my limited
      > experience so far, I have to say I don't think those holes are
      > revolutionary. Perhaps they helped a little. But the nose pads seem to
      > be quite comfortable on my nose.
      > Robustness
      > Where I have been grateful for having these glasses has been in thick
      > scrub. I walk faster than my wife, so I normally travel behind her so
      > we don't get separated. But travelling close behind someone can lead
      > to 'whip-back', or the tips of the bushes flicking back into my face
      > after my wife pushes past them. On the trip shown here I lost one
      > contact lens this way: the tip of a branch whipping back actually tore
      > a hole in the contact lens before my eye could shut. Well, better the
      > contact lens than my cornea! After that I put the glasses on with the
      > brown lenses and kept them on for the rest of the day, and they
      > withstood many slaps across the face.
      > Lens Colours
      > The darker grey lenses are the 'Polarized Silver Reflex: 10% visual
      > light transmission'. These are too dark for use in winter time around
      > here, especially once I get into a valley under forest cover. They
      > might be good on a blazing sunny day on a white track, but we don't
      > have these conditions right now.
      > The lighter brown lenses are the 'Sportflex: 60% visual light
      > transmission'. These are the ones I have been using in the bush most
      > of the time. They are visible in the photo above. In practice a 40%
      > attenuation is not a large reduction in brightness, given that the eye
      > can handle a huge dynamic range. But as I said above, they have been
      > very useful in providing some mechanical protection to my eyes. On
      > another trip on Dallawang Spur (photo to the right) I went without
      > them for a while, and lost a contact lens when I got a thin vine
      > across my eyes. Actually, it got folded up and lodged under my eyelid,
      > so I was able to recover it eventually. Delicate things, eyeballs, in
      > need of protection sometimes.
      > The vines on that trip weren't delicate though: I bounced back off
      > them. You can keep your lightweight trekking poles: that was a solid
      > length of 50 mm (2") Australian hardwood I was bashing away with! My
      > wife stayed back a little.
      > Changing Lenses
      > I have swapped the lenses over between trips a few times. Yes, I left
      > finger marks all over the lenses, but they came off easily. The
      > cleaning bag supplied with the kit worked fine, but so did a clean
      > well-washed cotton handkerchief. Neither has left any marks on the
      > plastic so far, although I have been careful. In my experience,
      > keeping the cleaning cloth clean (free of dirt and grit) is really the
      > key requirement here.
      > Swapping the lenses over has become fairly easy. I did manage to get
      > the right lens in the left frame once, but that thoroughly blocked the
      > place where my nose goes, so it didn't take me very long to realise my
      > mistake. So far the mechanical system used to hold the lenses in place
      > seems to be working smoothly, with little or no sign of wear. Getting
      > the lenses in and out seems to be mainly a matter of practice.
      > Glasses Cord
      > I am not sure about the 'glasses cord' which is meant to stop me from
      > losing the glasses. The thin plastic cord at the ends which goes
      > around the arms holds reasonably well and does not seem to get in the
      > way of my ears, although the function or justification for the little
      > bead on the plastic cord (blue arrows) remains a mystery. The 'cord
      > lock' (green arrow) on the string works fine. It is just a lump of
      > plastic with a small hole through it: a hole small enough that the two
      > strands of the string are a tight fit through the hole. That design is
      > a neat trick, and is copied on the cord lock on the cleaning bag as
      > well. The far bigger issue I have is that the string itself feels like
      > a length of soft climbing rope: it's so thick! Surely a lighter bit of
      > string would suffice? As a result, I haven't used the glasses cord
      > very much in the field.
      > Frame
      > I have tried some sun glasses with straight arms, and that they caused
      > ear-ache when my hat pressed down on the tips of the arms. The arms on
      > these sunglasses are bent down at the tip, leading me to hope they
      > would not cause this problem. Well, I have to say that I forgot all
      > about this problem for several trips. That means the arms must be the
      > right shape: they hold nicely and do not cause any problems. I am
      > pleased with this.
      > However, while the arms seem fine, I have been less happy with the
      > shape of the nose bridge. As I mention above in the Initial Report,
      > the Native Dash web site says this model 'best fits a medium to large
      > profile'. I commented that 'they fit my head OK'. I am going to modify
      > that second statement a bit here, after testing the glasses in the
      > field for a reasonable length of time. The shape of the 'bridge' - the
      > bit that fits across my nose, is comfortable but it is too wide for
      > me. This allows, or causes, the glasses to ride a bit low on my nose,
      > and the heavy top bar of the frame starts to intrude into my field of
      > view. This is particularly noticeable when I am walking along, looking
      > at the ground in front of my feet, and want to flick my eyes upwards
      > briefly to look ahead. The top bar is then intrusive. The photo here
      > shows how easy it is for this to happen. The glasses have not been
      > 'pulled down' for this photo: they can ride down that low on my nose
      > over time. Pushing them back up does not entirely solve the problem
      > either: my face is not really the right shape for these glasses.
      > However, I cannot call this a fault in the glasses. The nose bridge
      > and pads have a fixed format, and they are designed for a 'medium to
      > large profile'. My nose and my face are smaller than this. What this
      > means is that these glasses do not really suit my face or head, and if
      > I was looking for sunglasses in a shop I would have to go for a pair
      > better designed to fit my face. Unfortunately, I could not find any
      > way of selecting glasses based on head size on the Native Dash web
      > site, but it seems almost all their models are for fairly large heads.
      > Possibly I could go for a different brand which had adjustable nose
      > pads, although they are generally not so robust.
      > The Case
      > I haven't found much of a need for the big case yet. I am left to
      > wonder about the value of it, although maybe it will be useful on some
      > trip where I also want to carry some pairs of ordinary glasses as
      > well.
      > Assessment so far
      > The frame is light, functional and strong enough. The arms don't get
      > in the way of my ears, but the design of the nose bridge is too big
      > for my head (or my nose is too small for these glasses). The dark
      > lenses are pretty dark; the light brown ones are good for general use
      > and mechanical protection. Swapping the lenses is no problem.
      > Long Term Report - Expected early October 2008
      > __________ NOD32 3308 (20080729) Information __________
      > This message was checked by NOD32 antivirus system.
      > http://www.eset.com
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