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Model Forum / General / Models / April 2009Magnifiers on spectacles
Anyone using these or anything similar for fine work? Any advice or comments welcomed. Much more expensive than the "visor" type, of course. http://www.theloupestore.co.uk/product_info.php/info/p58_dental-loupes-3-0x-350m m---clip-ons.html tia > Anyone using these or anything similar for fine work? Any advice or comments > welcomed. Much more expensive than the "visor" type, of course. > > http://www.theloupestore.co.uk/product_info.php/info/p58_dental-loupe... > > tia Bloody hell for that price you could get a guide dog and a white stick.......... John s. > Anyone using these or anything similar for fine work? Any advice or > comments welcomed. Much more expensive than the "visor" type, of course. > > http://www.theloupestore.co.uk/product_info.php/info/p58_dental-loupes-3-0x-350m m---clip-ons.html > > tia "Much more expensive"? Crikey! Always wanted a pair of those, but..! I have a single clip-on lens, cost £3.99 at Harrogate iirc, and works well enough for me. YMMV. -- Peter F > > Anyone using these or anything similar for fine work? Any advice or > > comments welcomed. Much more expensive than the "visor" type, of course. [quoted text clipped - 9 lines] > > -- Peter F Have a look at the Daylight Company magnifiers which are clip ons that flip up, supplied with a choice of lenses. And a hell of a lot cheaper! http://uk.daylightcompany.com/home/product/?id=40 John H > > > Anyone using these or anything similar for fine work? Any advice or > > > comments welcomed. Much more expensive than the "visor" type, of course. [quoted text clipped - 17 lines] > > John H I suppose if you are doing close up work for an extensive period, something like this is worth it, but I found a wee while ago that all I had to do was to put one pair of glasses on top of another. I just buy 'readers' from Costco and have accumulated different strengths - if I put a pair of 3's over 2's I can work at 8" quite happily. And it doesn't cost me any more than the £10 for 3 pairs from Costco. Rob In article <1612d06e-2983-4616-86a6-fab673202581@u9g2000pre.googlegroups.com>, Rob G <robkgraham@btinternet.com> writes >> > > Anyone using these or anything similar for fine work? Any advice or >> > > comments welcomed. Much more expensive than the "visor" type, of course. [quoted text clipped - 24 lines] >if I put a pair of 3's over 2's I can work at 8" quite happily. And >it doesn't cost me any more than the £10 for 3 pairs from Costco. I have often done the same. On the (fortunately rare) occasions when sore eyes make me remove my contact lenses and wear specs for distance viewing, a pair of reading glasses over the top makes a quite serviceable bifocal set-up. Cheap as chips, also has the advantage you can vary the strength of the reading glasses to suit needs, as Rob suggests. David  SignatureDavid Littlewood In article <0b1c1e16-d4e3-49ba-bcb6- > Have a look at the Daylight Company magnifiers which are clip ons that > flip up, supplied with a choice of lenses. And a hell of a lot > cheaper! > > http://uk.daylightcompany.com/home/product/?id=40 I found a similar solution was to heavy for my glasses. The solution I've found is a "head loupe" (google) that will take paired lenses of 3 magnifications, giving a good 3-D view. I can use them with my reading glasses on underneath and so look down below their lenses to read the instructions :-) It's hard reading something a character at a time... SignatureJohn W To mail me replace the obvious with co.uk twice >> > Anyone using these or anything similar for fine work? Any advice or >> > comments welcomed. Much more expensive than the "visor" type, of [quoted text clipped - 18 lines] > > John H Good link, thanks. I thought there must be more suppliers out there >> Have a look at the Daylight Company magnifiers which are clip ons that >> flip up, supplied with a choice of lenses. And a hell of a lot >> cheaper! >> >> http://uk.daylightcompany.com/home/product/?id=40 I have some of those, they work well even on my varifocals. I tend to use a big table mounted magnifier with a circular lamp around it more though. >>> Have a look at the Daylight Company magnifiers which are clip ons that >>> flip up, supplied with a choice of lenses. And a hell of a lot [quoted text clipped - 5 lines] >I tend to use a big table mounted magnifier with a circular lamp around >it more though. "Dennis finds his dick" shock horror Signaturegeoff newshound Wrote: > Anyone using these or anything similar for fine work? Any advice or > comments [quoted text clipped - 3 lines] > > tia Hi Newshound or is that Mr. Newshound, anyway to answer your question, they are bloody marvelous and if I could afford some I would buy some, but I can't so I wont. I tried them at a woodworking show, on a chap from Devons stand, a couple of years ago and was greatly impressed, the depth of view and brightness was far in excess of what I expected. The price though was a major turn off, the cheap alternative is MUCH more cost effective, but if you won the pools last week, spoil yourself and you can buy me some for giving you the advice. Ned Ludd Signaturened ludd > Anyone using these or anything similar for fine work? Any advice or > comments welcomed. Much more expensive than the "visor" type, of course. > > http://www.theloupestore.co.uk/product_info.php/info/p58_dental-loupes-3-0x-350m m---clip-ons.html > > tia Ouch! That's about 250 Canadian dollars!!! Steve R. >Anyone using these or anything similar for fine work? Any advice or comments >welcomed. Much more expensive than the "visor" type, of course. Not those specific ones but similar. I found with most spectacles they were too heavy especially when you were looking down and were constantly slipping forward. A better and cheaper solution is to go to http://www.optical4less.com/ put in your normal prescription but add 3 diopters. You then have a set of prescription magnifying glasses. >>Anyone using these or anything similar for fine work? Any advice or comments >>welcomed. Much more expensive than the "visor" type, of course. [quoted text clipped - 6 lines] >put in your normal prescription but add 3 diopters. You then have a >set of prescription magnifying glasses. The drawback is that you have to get your face much nearer the work to get it in focus than you would with the "binocular" style clip-on magnifiers (which are in effect compact binoculars that allow you to focus close). Regards, Tony > The drawback is that you have to get your face much nearer the work to > get it in focus than you would with the "binocular" style clip-on > magnifiers (which are in effect compact binoculars that allow you to > focus close). Try searching for "surgical telescopes"; the prices are "nasty". BugBear >> The drawback is that you have to get your face much nearer the work to >> get it in focus than you would with the "binocular" style clip-on [quoted text clipped - 3 lines] >Try searching for "surgical telescopes"; the prices >are "nasty". So is the price of a nose job after you get too close to the workpiece ;-) Regards, Tony > A better and cheaper solution is to go to http://www.optical4less.com/ > put in your normal prescription but add 3 diopters. You then have a > set of prescription magnifying glasses. Peter, why go to a USA store that doesn't publish its trading address? There are equivalent places over here, e.g. www.glassesdirect.co.uk that manufacture and deliver in the UK. I still prefer my head loupe solution. SignatureJohn W To mail me replace the obvious with co.uk twice >> A better and cheaper solution is to go to http://www.optical4less.com/ >> put in your normal prescription but add 3 diopters. You then have a >> set of prescription magnifying glasses. > >Peter, why go to a USA store that doesn't publish its trading address? It isn't a US Company but a Hong Kong one. In my experience over ten years they have proven to be very reliable and supply goods of good quality. >There are equivalent places over here, e.g. www.glassesdirect.co.uk that >manufacture and deliver in the UK. They are more expensive and my one experience with them was that they were unreliable and supplied goods of poor quality. Their "customer service" wasn't. I see no reason why I should give them a second chance. > A better and cheaper solution is to go to http://www.optical4less.com/ > put in your normal prescription but add 3 diopters. You then have a > set of prescription magnifying glasses. Does it matter if the prescription corrects for a lot of astigmatism? AJH > Anyone using these or anything similar for fine work? Any advice or comments > welcomed. Much more expensive than the "visor" type, of course. > > http://www.theloupestore.co.uk/product_info.php/info/p58_dental-loupe... £150? Cheap! I almost ordered those (I've been looking for a set of dental loupes cheaper than Heines for ages - GF is a hygienist), but with a working distance of only 13" these aren't really suitable for dental use. Short focal distances encourage backache. http://www.quicktest.co.uk/acatalog/Head-worn_Magnifiers__binocular_-_surgeon_s_ type.html are always worth a look too. Overall, the visor sort (single lens element, a few inches from your eyes) are about the best compromise. You'll usually have a wider view angle and far less off-axis distortion. http://www.quicktest.co.uk/acatalog/Hands_free_magnifiers.html Their Zeiss ones for £60 quid are really nice (jewellery making) Personally I'd rather get a good illuminated magnifier, and a small add-on workbench that's high above my normal workbench. >> Anyone using these or anything similar for fine work? Any advice or >> comments [quoted text clipped - 20 lines] > Personally I'd rather get a good illuminated magnifier, and a small > add-on workbench that's high above my normal workbench. Another good link, thanks. Now I have too much choice! I do have a couple of the "Peer" visors, but sometimes I am looking into big gearboxes in situ, so the surgeon's "telescope" types with their larger working distance come into their own. Apart from looking cool when I'm trying to justify our consultancy rates. Changing the subject slightly, I just bought a USB microscope from this guy http://shop.ebay.co.uk/merchant/merseaelectronics and it really isn't bad for £40. Easier to cart this plus a small laptop around plant than a binocular microscope plus lights plus camera! >> http://www.quicktest.co.uk/acatalog/Hands_free_magnifiers.html >> [quoted text clipped - 14 lines] >and it really isn't bad for £40. Easier to cart this plus a small >laptop around plant than a binocular microscope plus lights plus camera! Thanks, that's a very interesting device. Even though I don't have a use for one, I can definitely feel the pull! But perhaps we pay too much attention to the specifications of the optics and not enough to practical convenience. Although my electronics workbench has a stereo zoom microscope on a swinging arm, for most close-up work still I find myself using a cheap pair of +4 reading glasses in front of the bottom (magnifying) part of my varifocals - simply because they are so convenient. They don't block my view of the work, they let me move my head around to change viewpoints, and instantly let me re-focus onto the wider world - and all of that is completely hands-free. Only the Zeiss magnifiers that Andy mentioned share all those advantages, but the non-prescription reading glasses are far cheaper of course. Rimless letterbox shaped lenses are in fashion at the moment, so now is a good time to buy - or at the very least, to try them in the drugstore. Another option for a true head-up display might be an old video camera mounted above the bench. Some of the bigger, older ones have excellent zoom lenses. In a quick trial, ours gave a very good magnified view of a PC board from about a metre distance - it was wonderful to have a completely open work area above the board and need no special glasses at all. However, a true HUD would need a dedicated flat-screen monitor on the wall, right in front of where I sit to solder, and I don't do enough SMD work to justify that expense... or not yet. BTW, along with the need for magnification is the need for a good work light. This 3W white LED from IKEA is excellent: http://www.ikea.com/gb/en/catalog/products/50128708 The icy blue-white light would be awful for reading, but gives superb definition for close-up work. The LED housing is very compact and doesn't get in the way - it can be clipped onto an over-bench shelf or even onto the arm of the microscope, and then is easily positioned with the swan neck. Highly recommended. SignatureIan White > Another option for a true head-up display might be an old video camera > mounted above the bench. I have an old Intel QX3 USB microscope (three objectives on a barrel) that's good for this. x200 is hard to use as there's no depth of focus, but x30 has really good depth and is great for inspection work. It's better than any video camera I've had, and it's easy enough to dedicate an old PC these days. > BTW, along with the need for magnification is the need for a good work light. I bought a couple of "Tritronic" LED pocket / book lights for a couple of quid each from Cheapo DIY (part of Homebase?). 3 AAA battery box and a nice triple LED head on a flex gooseneck. Two are now fitted under my stereo bench microscope (x36). Battery life is so long I haven't even bothered to mains power them yet. > This 3W white LED from IKEA is excellent:http://www.ikea.com/gb/en/catalog/products/50128708 "May not be used as bed lamp, it may fall down and cause a fire." 8-) Think they need to update their boilerplate. >> Another option for a true head-up display might be an old video camera >> mounted above the bench. > >I have an old Intel QX3 USB microscope (three objectives on a barrel) >that's good for this. x200 is hard to use as there's no depth of >focus, but x30 has really good depth and is great for inspection work. Inspection work and assembly/repair work are two very different applications. Navigating a hot soldering iron puts much more emphasis on both depth and breadth of field, but requires less magnification. For assembly this typically balances out at 5-10x. For really desperate SMD repair jobs (where the full value of some expensive piece of kit is hanging in the balance) I use the stereo zoom microscope. When soldering it is backed right down to 7x, and lit from a raking angle to create as much 3D effect as possible. When the iron is safely back in the stand, the magnification can be cranked up to 20x to check for gaps and solder bridges. Other kinds of inspection may need much higher magnification, of course. >It's better than any video camera I've had, and it's easy enough to >dedicate an old PC these days. BTDT, already 4 in the workshop and none left over :-) >> BTW, along with the need for magnification is the need for a good work light. > [quoted text clipped - 3 lines] >under my stereo bench microscope (x36). Battery life is so long I >haven't even bothered to mains power them yet. Tried some similar ones before settling on the IKEA. The single large LED is truly in a different league. >> This 3W white LED from IKEA is >>excellent:http://www.ikea.com/gb/en/catalog/products/50128708 > >"May not be used as bed lamp, it may fall down and cause a fire." 8-) >Think they need to update their boilerplate. Think so... the metal lamp housing is a heat sink for the LED, but it only runs warm. SignatureIan White > >I have an old Intel QX3 USB microscope (three objectives on a barrel) > >that's good for this. x200 is hard to use as there's no depth of > >focus, but x30 has really good depth and is great for inspection work. > > Inspection work and assembly/repair work are two very different > applications. By "inspection" here I really mean mechanical stuff or '60s electricals, rather than modern electronics, so the scale and need for depth is more like your soldering example. Electronics stopped being fun when everything went SMT, I haven't really done any in years. (Although the Arduino seems to have re-engaged a bit of my interest.) >Changing the subject slightly, I just bought a USB >microscope from this guy [quoted text clipped - 3 lines] >and it really isn't bad for £40. Easier to cart this plus a small laptop >around plant than a binocular microscope plus lights plus camera! Looks useful. What kind of working distance does it have? Regards, Tony >>Changing the subject slightly, I just bought a USB >>microscope from this guy [quoted text clipped - 8 lines] > Regards, > Tony It focusses back to infinity but has a fairly narrow angular view, about 18 degrees; when zoomed out the "long" frame width is about three times the working distance. When focussed in the plane of focus is more or less at the bottom of the clear section, which is 20 mm deep. There are four white LEDs but you can switch them off and use external angled illumination. It comes with a removable but transparent "lens cap" that doesn't cause much distortion in the centre of the field (although there is some flare around the periphery from the LEDs if they are on,) so it is quite a flexible little beast. The only slight glitch at the moment is that on one machine it seems to insist on reinstalling the drivers each time, but I expect it's something I have done. Also, there's a nice smooth and sensitive (manual) focus on it. All I need now is an excuse to use it on something (like so many of my tools and gadgets!) |
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