3X Barlow for 1.25" eyepieces

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The 1.25” 3x Explore Scientific premium focal extender (Barlow lens) uses an advanced four-element optical design to deliver a flatter field-of-view with sharper field edges than even the best three-element apochromatic Barlows.

This Explore Scientific focal extender triples the power of any 1.25” eyepieces used with it, providing high powers while maintaining the comfortable eye relief of longer focal length eyepieces. This makes a Barlow/long focal length eyepiece combination such as this ideal for those who must wear eyeglasses while observing due to astigmatism.

All air-to-glass surfaces are fully coated with multiple layers of individually tuned ion-deposited anti-reflection materials for maximum light transmission and contrast. The lens edges and all internal metal surfaces are blackened to maximize the image contrast. Your eyepieces are held in place by a non-marring clamp ring that won’t scratch your eyepieces as a conventional metal thumbscrew can.

While not specifically claimed to be apochromatic in performance, color fringing in this Explore Scientific 3x 1.25" focal extender is essentially eliminated with all telescope types and focal ratios.

This Explore Scientific focal extender is protected by a one year warranty that can be extended to a transferable limited product lifetime warranty at no cost by simply sending in the warranty card. With the extended product lifetime warranty, this Explore Scientific focal extender is protected for as long as it continues to be manufactured, plus an additional five years.

Power:
3x
Number of optical elements:
4
Barrel Size:
The industry standard diameter, as of 2011, is 1.25" and is the most common.  Other sizes available are .965" and 2".
1.25"
Warranty:
1 year, extendable to lifetime
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Explore Scientific - 3X Barlow for 1.25" eyepieces

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Explore Scientific - 3X Barlow for 1.25" eyepieces
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Our Product #: ESB1X3
Manufacturer Product #: FE03-125
Price: $99.99  Ground shipping for this item is $8.95 - Click for more info
By adding 1 of these items to your cart your order total will be less than $100, and will ship within the 48 contiguous United States for $8.95. Add $0.01 to your order, however, and you qualify for free ground shipping (heavy items with fixed shipping, such as counterweights, excluded).
MSRP: $222.99
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This new four-element 1.25" 3x Explore Scientific focal extender (Barlow lens) triples the power of any eyepiece used with it, with flat-field and essentially apochromatic performance . . .





. . . our 34th year