TELESCOPES and BINOCULARS USED ON LAND AND SEA Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders, Best Sale
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TELESCOPES & BINOCULARS USED ON LAND AND SEA

  Scope City's Optics Crash Course
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SECTION 1: SCOPE CITY`S GUIDE TO OPTICS

PART I: BASIC APPLICATIONS OF OPTICS

A. TELESCOPES & BINOCULARS FOR DAYTIME USE:

TELESCOPES & BINOCULARS USED ON LAND AND SEA

The most popular optical instruments used for this purpose are binoculars. Magnifying 6 to 12 times, they are relatively unaffected by atmospheric conditions, and they are a very cost-effective way of providing nearly instant access to views of land and sea objects. Some of the better binoculars provide images so clear they seem to "disappear" from the view.

One of the best types of telescopes for this purpose is the small refractor. It can be in a Spotting scope format (marvelous for sharp, contrasty, views of land features, boats, and people watching) or an astronomical refractor telescope format (which can be used on the sky at night as well as daytime objects).

One of the issues for any telescope, when used on land or sea, is that its image is not usually correctly oriented for daytime viewing. The image can be completely upside down and backwards, or just simply reversed left to right. Fortunately, spotting scopes have built-in image correctors, and astronomical refractors can have their images corrected by the simple addition of a correct-image diagonal. Astronomical telescopes composed of mirrors and lenses, usually referred to as compound telescopes, also can all have their images so corrected. Only the classic Newtonian reflectors cannot easily be corrected for use on land. In general, telescopes make powerful tools for daytime viewing on land or sea.

A telescope provides a magnified image of the object being viewed, and the magnification is caused by the interaction of eyepiece and focal length of the scope. Zoom eyepieces provide many different magnifications without changing eyepieces, or one can used fixed-power eyepieces to produce the image. Either way, daytime magnifications are usually confined to under 75 times (75X) because of turbulence in the air itself. When you magnify, you magnify everything - the image and the heat waves and distortion of the atmosphere. Because the sun is constantly heating up the air and the winds blow many different directions near the Earth's surface, any view through a telescope of a land or sea object will be a compromise between the atmosphere and the magnification used. The most pleasing views are usually found at 20X to 30X, with the higher powers reserved for those "just right" conditions.

We can successfully hand-hold an image still up to about 10X or 12X (typically where binoculars leave off). If higher powers are to be used, it will be necessary to use a mount of some sort. Fortunately, some very stable, high-quality, mounts can be had for very affordable prices. Whether using a high-power binocular, spotting scope, or astronomical telescope, the experts at Scope City will steer you to the right combination of products to make your viewing enjoyable.

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LAND, SEA AND NATURE BINOCULARS

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Leica 8x42 HD Geovid 42 BRF (Yards) Binocular Laser Rangefinder
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Leica 8x42 HD Geovid 42 BRF (Yards) Binocular Laser Rangefinder
Item No. 472-30200
Manuf. No. Leica 40037

Leica 8x42 Geovid BRF is a smart addition to your gear. This, because the optics and electronics of Leica 8 x 42 Geovid BRF-Y laser range finder are engineered to perform optimally in any scenario.
 
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Bushnell 10x42 Legend Ultra HD Binoculars Rain Guard, ED Glass, UWB with Camo
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Bushnell 10x42 Legend Ultra HD Binoculars Rain Guard, ED Glass, UWB with Camo
Item No. 403-11022
Manuf. No. Bushnell 191043

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Bushnell 10x42 Legend Ultra HD Binoculars Rain Guard, ED Glass, UWB with Black
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Bushnell 10x42 Legend Ultra HD Binoculars Rain Guard, ED Glass, UWB with Black
Item No. 403-11021
Manuf. No. Bushnell 191042

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Bushnell 8x42 Legend Ultra HD Binoculars Black Roof, Rain Guard HD, ED Glass, UWB
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Bushnell 8x42 Legend Ultra HD Binoculars Black Roof, Rain Guard HD, ED Glass, UWB
Item No. 403-11020
Manuf. No. Bushnell 198042

Bushnell 198042 binoculars is totally redesigned with a high-performance optics upgrade and a slimmer, lighter, tougher body design, and it's easy to see where we got the "Ultra-HD".
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Nikon 10.5x45 Series Monarch X Binoculars
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Nikon 10.5x45 Series Monarch X Binoculars
Item No. 418-17533
Manuf. No. Nikon 7533

With the large central focus knob, you can quickly find subjects regardless of distance
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Nikon 8.5x45 Series Monarch X Binoculars
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Nikon 8.5x45 Series Monarch X Binoculars
Item No. 418-17532
Manuf. No. Nikon 7532

With the large central focus knob, you can quickly find subjects regardless of distance
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Brunton Eterna 10 x 51 Waterproof/Fogproof Roof Prism Binoculars
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Brunton Eterna 10 x 51 Waterproof/Fogproof Roof Prism Binoculars
Item No. 414-41051
Manuf. No. Brunton 81-200643

Brunton 81-200643 Waterproof / Fogproof Eterna 10 x 51 Roof Prism Binoculars
MSRP: $540.00
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Brunton Eterna 12x51 Waterproof/Fogproof Roof Prism Binoculars
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Brunton Eterna 12x51 Waterproof/Fogproof Roof Prism Binoculars
Item No. 414-41251
Manuf. No. Brunton 81-200645

Nitrogen filled waterproof/fogproof with Emerald Fire fully multi-coated lenses for all weather viewing.
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KOWA GENESIS 33 PROMINAR BINOCULAR SERIES 10 x 33
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KOWA GENESIS 33 PROMINAR BINOCULAR SERIES 10 x 33
Item No. 468-11033
Manuf. No. Kowa GN33-10

The Genesis 33 Series showcases four Prominar XD lens elements, reducing chromatic aberration and creating brighter images highlighted by high contrast and unrivaled color reproduction
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KOWA GENESIS 33 PROMINAR BINOCULAR SERIES 8 x 33
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KOWA GENESIS 33 PROMINAR BINOCULAR SERIES 8 x 33
Item No. 468-10833
Manuf. No. Kowa GN33-8

The Genesis 33 Series showcases four Prominar XD lens elements, reducing chromatic aberration and creating brighter images highlighted by high contrast and unrivaled color reproduction
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SWAROVSKI EL Traveler Series 10 x 32-T Binocular
SWAROVSKI EL Traveler Series 10 x 32-T Binocular
Item No. 445-23010
Manuf. No. Swarovski 32020

The 10x32 EL Binocular has an exceptional field of view to keep more of the action in sight at any one moment. One of the lightest binoculars in the EL series, you'll not think twice about carrying this mid-sized bino on any field trip.
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SWAROVSKI EL Traveler Series 8 x 32-T Binocular
SWAROVSKI EL Traveler Series 8 x 32-T Binocular
Item No. 445-23008
Manuf. No. Swarovski 32018

The 8x32 EL Binocular has an exceptional field of view to keep more of the action in sight at any one moment. One of the lightest binoculars in the EL series, you'll not think twice about carrying this mid-sized bino on any field trip.
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Pentax Marine Binocular 7 x 50 with Compass and Case
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Pentax Marine Binocular 7 x 50 with Compass and Case
Item No. 430-88039
Manuf. No. Pentax 88039

A perfect companion for use on or around water, the Pentax Marine 7x50 binocular is an appealing model for boaters, sailors, fishing easy to read scale that is enhanced by an LED Compass Illuminator for low-light or night use.
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PENTAX DCF NV 10 x 36 Binocular with CASE
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PENTAX DCF NV 10 x 36 Binocular with CASE
Item No. 430-62487
Manuf. No. Pentax 62487

With high resolution, phase-coated and super-reflective coated roof prisms that provide high contrast images, the DCF NV models feature fully multi-coated lenses to increase light transmission and color quality
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PENTAX DCF NV 8 x 36 Binocular with CASE
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PENTAX DCF NV 8 x 36 Binocular with CASE
Item No. 430-62486
Manuf. No. Pentax 62486

With high resolution, phase-coated and super-reflective coated roof prisms that provide high contrast images, the DCF NV models feature fully multi-coated lenses to increase light transmission and color quality
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