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  1. Tele Vue 4X Powermate image amplifier for 2" eyepieces, with 1.25" eyepiece adapter

    Regular Price: $332.01

    Special Price $300.00

    If you need a very high quality, very high power 4x Barlow for 2" eyepieces, look no further than this TeleVue Powermate. While not technically a Barlow, this unique new 4-lens image amplifier performs the same functions, but at a higher level of optical correction.

    Barlow lenses have a negative power that diverges field rays, lengthening the effective focal length of the telescope and increasi . . .

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