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Glass Blanks - Page 55

PERKIN ELMER 1/20TH WAVE COATED ELLIPTICAL FLAT WINDOW

 

 

Beautiful small-sized (19mm long x 13mm wide x 3mm

 

 

 

 

deep) precision-made elliptical flats from Perkin Elmer,

 

 

numbered 677 6108 002. Each window is 1/20th wave

 

 

on both sides, measures 17mm long x 13mm wide, is

 

 

offset 2mm, and is anti-reflective coated. Ground

 

 

edges. New in original sewn packets.

 

 

L3201

$15.00

 

 

 

 

 

 

LARGE MTD MILITARY INSTRUMENT MIRROR, 1/10 WAVE

 

 

 

Optical instrument mirror, 13.25 inches long by 9.4

 

 

 

 

inches wide. Mounted with 2 inch long rods protruding

 

 

from each side. One side has a ball bearing wheel, 2

 

 

inches diameter. Flatness is at least 1/10th wave in the

 

 

center 3/4 of the mirror. The ones we have left appear

 

 

to be not as flat towards the edges. Not sure why, but

 

 

they are a metal material and thinner at the edges.

 

 

Could be that temperature changes effect the edges more. Coating is in

very good condition. The texture you see in the photo is a reflection of our

ceiling. Limited supply. We don't find large mirrors of this quality very

often. Sorry, but we are not allowed to ship these outside the United

States.

$225.00

 

 

 

L3410

 

 

 

Glass Blanks

70MM DIA SCHOTT CROWN GLASS MOULDED BLANK

Quality crown glass made by Schott. These are unused blanks designed to be ground & polished into eyeglasses anywhere from + or - 6 diopters. 70mm diameter by 4mm thick. Meniscus shape. Great for experimenting with your grind and polish expertise, or if you are in the ophthalmology business, you need these and we've got a good supply.

L2130 $0.50 or 10 for $4.00

65MM DIA SCHOTT GREEN WELD 2.0 GLASS MOULDED BLANK Quality glass made by Schott, green weld 2.0. These are unused blanks designed to be ground & polished into eyeglasses for welders anywhere from + or - 6 diopters. 65mm diameter by 4mm thick. Meniscus shape. Great for experimenting with your grind and polish expertise, or if you are in the ophthalmology business, you need these and we've got a good supply.

L2154 $0.50 or 10 for $4.00

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Tasco 1575 manual Glass Blanks, L3201 $15.00, Large MTD Military Instrument MIRROR, 1/10 Wave, $225.00 L3410

1575 specifications

The Tasco 1575 is a high-quality spotting scope designed for outdoor enthusiasts, birdwatchers, and hunters who seek superior optics and performance. This versatile instrument is engineered with advanced technologies and precision manufacturing that make it a standout choice in the field of optical equipment.

One of the main features of the Tasco 1575 is its powerful 15-75x magnification capability. This wide range allows users to zoom in on distant subjects with remarkable clarity, making it ideal for observing wildlife or surveying landscapes. The scope is equipped with a superior quality objective lens, which not only enhances light transmission but also offers exceptional brightness and color fidelity. This ensures that users can enjoy crisp, detailed images even in low-light conditions.

The Tasco 1575 is also designed with a durable and robust construction. Its waterproof and fog-proof design makes it suitable for use in various weather conditions, allowing users to focus solely on their observations without worrying about equipment failure. The rubberized exterior provides a secure grip and added protection against impacts, ensuring that the scope can withstand the rigors of outdoor adventures.

In terms of portability, the Tasco 1575 is relatively lightweight, making it easy to carry during long excursions. Additionally, it comes with a comfortable tripod, providing stability for prolonged viewing sessions. This feature is particularly beneficial for spotting distant details that require steady observation.

One of the key technologies integrated into the Tasco 1575 is its multi-coated optics. This technology minimizes glare and maximizes light transmission, resulting in sharp images with minimal distortion. The eyepiece features a comfortable design that accommodates users wearing glasses, ensuring a pleasant viewing experience for all.

Overall, the Tasco 1575 combines high magnification with durable construction and advanced optics, making it an excellent choice for users seeking a reliable spotting scope for various outdoor applications. Whether for leisurely birdwatching, hunting expeditions, or nature observation, the Tasco 1575 stands out as an exceptional tool that meets the demands of avid outdoor enthusiasts. Its blend of features, technologies, and characteristics ensures that users can capture the beauty of the natural world with confidence and clarity.