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General Interest Sign up item descriptionSuncoast Precision Tools, Inc. is an Authorized Distributor of DONEGAN OPTICAL CO.Part #LX-4The Donegan OptiVISOR is a hands-free, headband binocular magnifier that has optical glass lenses that are ground and polished into prismatic lenses for quality and clarity, and is available in multiple dioptric strengths (indicated by the number in the model) which provide specific magnification power (X) at specific focal lengths, or distance from object. This magnifier enhances the size and resolution of an object or image, and is commonly used for a variety of applications such as jewelry-making, watch- making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting. The OptiVISOR magnifier features replaceable binocular lenses that have beveled edges that are mounted in an interchangeable plastic frame. An adjustable headband with padded leather comfort band conforms to a variety of head sizes and provides comfort for hours of continuous use. It can be worn over prescription or safety eyeglasses. A durable, plastic visor tips up above the forehead when not in use. Spring-loaded pivot screws hold the headband in a raised or a forward-facing position. The magnifier weighs 0.67 lbs. It has a one-year limited warranty. Diopter (D) is a technical term for the measurement of the light curvature and thickness of a lens. 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”). See the magnification chart. The higher the diopter, the more magnification a lens can provide. As magnification increases, distance to the object (focal length), and field of view (diameter, or narrowness of view) decreases. Magnifiers and prescription eyeglasses have a diopter value, such as 1.5 or 2. The dioptric strength of an accessory lens, such as prescription eyeglasses or an eye loupe, must be added to the dioptric strength of the magnifier to calculate total magnification. Magnifiers are devices used to enlarge the visual appearance of an object or image. Magnifiers come in a variety of styles such as hand-held, headband, standing, clip-on, eye loupe, and those that hang in a necklace form, or fit in a trouser pocket. Magnifiers are commonly made of plastic or glass. They can have one or more lenses with varying magnification abilities, and can have a binocular configuration with a single lens, or two separate lenses. They are sometimes used with LED or fluorescent light sources to help control viewing capabilities. Magnifier ability is often expressed as magnification at a specific length. For example, 1.75X at 14” means that when a magnifier is held at 14” from a viewer’s eyes, the object will be magnified 1.75 times (X) its actual size. As magnification increases, viewing areas and focal length decrease. Magnifiers sometimes have a diopter number, expressed as + or -D, which is a measurement of strength (or power) of the lens. Some magnifiers are marked with a dioptric number on the lens. A high diopter number has a higher magnification than a low diopter number. Aspheric magnifiers, unlike spheric magnifiers, produce a sharp image to the edge of the lens for less distortion. Magnifiers are widely used in jewelry inspection and fabrication, watch-making, needlework, artwork, reading, print inspection, and stamp-collecting.Optical glass prismatic lenses: Ground and polished to precision optical standards—bevel edged and mounted in an interchangeable plastic frame.It tilts: Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification.Adjustable headband: Conforms to fit all head sizes—fabricated from a special blend lightweight material. Comfortable when worn for long periods of time.High impact visor: Provides a tough, durable, always-new appearance.Genuine leather comfort band: Padded orthopedic felt adds to comfort. Payment We accept Most Credit Cards through the eBay Managed Payment System. We will ship within 24 hours of cleared payment Monday through Friday, excluding Holidays. Shipping We ship Only on Business Days (Not Weekends) and most all of our items have combine shipping. Make sure if you buy multiple items to put them in your cart then when you checkout EBay will Combine your freight. Returns We will accept Returns within 30 Days of Purchase. We are automated to EBay so all returns have to go through the EBay return System under your purchase history. Contact Us You can Contact us through eBay here. HomeView New ListingsOur Positive FeedbackMeet the sellerStore NewsletterSave This SellerAsk Seller a Question Copyright 2018 Suncoast Precision Tools, Inc. All Rights Reserved.
Price: 36.6 USD
Location: Seminole, Florida
End Time: 2024-08-15T14:32:23.000Z
Shipping Cost: 10.6 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: Donegan
Magnification Strength: 2X
Type: Headband Magnifier
