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The description of this item has changed a few times, and some of the reviews appear to be for different lamps. I ordered and received a 90 LED lamp from ProMagnify and it's better than I expected at this price.
The lens is indeed glass and the optical distortion at the correct working distance (about 5-8 inches) is minimal even towards the edges. If you try to view something from too far away, then there's more distortion, but that's normal.
The box indicates this lamp comes in both a 3 diopter (1.75X) and 5 diopter (2.25X) version. Mine is the 5 diopter. The 3 diopter version would let you view things from farther away (10-13 inches) while a 5 diopter lamp is best for really fine work with small objects.
The 90 LEDs are not as bright as similar fluorescent lamps but they're plenty bright for close viewing at the correct distance. And unlike flourescent lamps, they run cool, there's no flicker, buzzing, etc. If you intend to use this as a general desk lamp with it high above your desk, however, don't expect 60 watts worth of incandescent light like you'd get from even a 13 watt flourescent. I'd say it's closer to half that.
The color of the light is "cool" but not overly blue like some LED lights can be. It's similar to a 3500K 4000K flourescent (i.e. "cool white"). Working with the magnifier it's about the perfect amount of light and uniform with no shadows.
There's a power supply for the LEDs built into the "ring" around the lens near the on/off switch and that area runs a bit warm after its been on a while but far from being hot. The LED's, however, will likely far outlast the switching power supply.
My only real complaints are the lens is a bit loose and moves around (but it's in no danger of falling out), you have to really tighten the clamp at the head to keep it from "drooping" down under its own weight, and I'm a bit concerned the "ball socket" at the head that lets you pivot the lamp/lens might loosen up someday and not hold its setting. But those are, so far, minor complaints. It's mostly well designed and made.
Overall, it works well. And considering it costs *less* than a lot of fluorescent magnifier lamps of this size with decent lenses, it's a relative bargain.
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Even though I'm a long time Amazon customer who has never had to return a purchase, I was really worried about ordering this product. The info from the web site is confusing and some reviews didn't help my confidence.Product pictures do not always match product description. There were questions as to whether this was really an LED light, 90 or 48 bulbs, one or two switches.
Despite all this I placed an order and this is what I received:
This is an LED light. There are 90 bulbs arranged in two circles. There is one switch. The light output is terrific; better than expected. The head pivots on a ball joint and I don't see an adjustment. Time will tell if this joint stays tight. Overall, I'm pleased with this purchase!
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Bought this as a gift for my Dad. He is an avid coin collector. I had bought him a smaller one last year but it wasn't strong enough. He absolutely loves this one! He can place several coins on the bench and view them at the same time without needed to bring them up to the lens. Highly recommend this product!Honest reviews on Ultra-Efficient 90 LED Magnifier Lamp - Adjustable Arm - 5" Lens
I am an EE and this lamp has become a very nice addition to my Lab. I used headband magnifiers in the past but I really never liked them. This 90 LED model offers so much light that it makes it a breeze to see SMD parts, traces and read part numbers. It would be nice if the magnification was a bit higher but it's good enough that I can solder in SMD parts with very little problem and it's very easy to inspect solder work because of the good optics and intense light. Probably the most important consideration when purchasing a lamp like this for EE work is that you have enough space between the solder point and the lens, in the case of this Lamp I get 6" of clearance which is more than adequate amount of space and at the same time given a standard desk height it makes for a lot less neck bending so overall it's very comfortable to do 2-4 hour soldering stints with this lamp. Another important aspect is that you want the lamp to be stable and stays were you put it and in that regard it works perfectly.I highly recommend the unit, just make sure you get the 90 led version and not the 60.
Find helpful customer reviews and review ratings for Ultra-Efficient 90 LED Magnifier Lamp - Adjustable Arm - 5" Lens
This item was purchased to replace a fluorescent ring light/magnifier that had seen better days. I was concerned that wouldn't be as bright as other one and was pleasantly surprised. It is as bright, and I like the instant on when you press the switch, and the compactness that you get without the fluorescent tube. It is easy to use and place where it is needed. Highly recommended. I have had it for about a month, am hopeful it lasts as long as the previous light (several years), but we'll have to see.
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