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Donegan DA-5 OptiVisor Headband Magnifier, 2.5x Magnification, 8" Focal Length
Binocular headband magnifier provides hands-free magnification and viewing for a variety of applications such as jewelry-making, watch-making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting. Available in multiple dioptric strengths indicated by the model number that provide a specific magnification power X, depending on the distance from the object. A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power X. For example, a 5-diopter provides 2.5X magnification at a distance of 8. Optical glass lenses are ground and polished into prismatic lenses for quality and clarity. Can be worn over prescription or safety eyeglasses.
Donegan DA-S1 OptiVISOR Complete Kit, Carrying Case
Headband binocular kit with six interchangeable magnifying lens plates and lamp for hands-free viewing. Interchangeable glass lens plates provide 1.5X, 1.75X, 2X, 2.25X, 2.75X, and 3.5X magnification. Ground and polished glass prismatic lens for improved focus and reduced eye strain. Battery pack and 6,000 candle power lamp with 10 cord clip to visor. Loupe attachment adds 2.5X magnification for very close inspection.
Donegan Optical OptiVISOR AL Headband Magnification Set-
Lightweight lenses and tough materials are designed to last a lifetime.. Optical prismatic lenses from precision ground and highly polished molds.. Adjustable side pivots allow the visor to tilt at your fingertips.. Dial adjustment headband conforms to comfortably fit all head sizes.. Made In US.
Donegan Optical LP 2 Replacement Lens for Opti-Visor, 1.5x Magnification, 2 Diopters, 20-Inch Focal Length
Replacement lens plate for OptiVISOR magnifier which provides hands-free magnification and viewing for a variety of applications such as jewelry-making, watch-making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting. Available in multiple dioptric strengths that provide a specific magnification power X, depending on the distance from the object focal length. A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power X. For example, a 5-diopter provides 2.5X magnification at a distance of 8. Optical-grade, acrylic lens plate ground and polished into a prismatic lens for quality, clarity, and durability. High-strength, durable plastic lens plate offers simple fit in OptiVISOR magnifier visor.
OptiVISOR 3.5x at 4in - DA-10 by Donegan Optical
Lens provides 3.50x magnification at a focal length of 4.. Optical Glass Prismatic Lenses are ground and polished to precision optical standards. Bevel-edged lenses mounted in an interchangeable plastic frame. Adjustable pivots allow the visor to be tilted out of the way when not needed. Made In US.
Donegan Optical Binocular Magnifier, Lensplate No.7
Optical Grade Lensplate 7-Magnifies 2-34x Power at 6 Inch. Adjustable side pivots allow the visor to tilt at your fingertips. Genuine leather padded comfort band with orthopedic felt for extra comfort.
Donegan OptiVISOR LX Binocular Magnifier-Lensplate #4 Magnifies 2X At 10" Focal Length
Please note number on the lens designates the diopter, not the magnification. Magnifies 2X at 10 focal length. Matched set of Lenses prismatically ground and polished to precise optical standards. Lens conveniently flips up and away when not in use. Ergometric soft genuine leather headband backed with wool felt designed from natural material to help wick moisture away. Spring loaded pivot screws designed to hold headband secure while in use with locking dial adjustable headband.
Optivisor Replacement Lens, #5, 2-1/2x, 8 Inch Range | ELP-525.00
Replacement lens for Optivisor. Working power and distance of 2.5x at 8. Made in the USA. 5 lens, 2-X magnification. 8 inch focal range.
Donegan AL-1 AccurLOUPE Monocular Attachable Lens for the OptiVISOR and AccurSITE Series, 2-1/2x Magnification
Monocular lens add 2-12X magnification. Attaches to either eye of the lensplate of Donegan OptiVisor LX and AccurSite series magnifiers. Made of optical grade acrylic to resist breakage. Can be flipped up when not in use.
Donegan Optical OptiSIGHT Magnifying Visor-Deep Purple
Donegan Optical-OptiSIGHT Magnifying Visor Deep Purple. This visor provides hands-free magnification for more accurate and efficient viewing. The visor tilts up for normal viewing or down for magnification. OptiSIGHT brings work closer into focus, reducing eyestrain and fatigue. This 12x7-34x2 inch package contains one magnifying visor with three interchangeable lens plates 3x, 4x and 5x magnification.