Opticron ES v4 100 GA ED/45 Fieldscope (Angled Viewing, Eyepiece Required)

Opticron ES v4 100 GA ED/45 Fieldscope (Angled Viewing, Eyepiece Required)

Opticron ES v4 100 GA ED/45 Fieldscope (Angled Viewing, Eyepiece Required)

B&H # OPES100FS MFR # 41261
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Expected availability: 7-14 business days

Product Highlights

  • 45° Angled Viewing
  • Requires Eyepiece for Use
  • 100mm Objective Lens
  • Extra-Low Dispersion Glass
  • F-Type Fully Multi-Coated Optics
  • Tri-Element Objective Lens System
  • Nitrogen-Filled, Water and Fogproof
  • Magnesium, Aluminum, Polycarbonate Body
  • Rotating Tripod Collar
  • 8:1 Dual Focusing System
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Objective Lens Size: 100mm

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100mm

Options: Requires Eyepiece

Includes 20-60x HDF T Zoom Eyepiece

Not available with current selections

Includes 20-60x SDL v2 Zoom Eyepiece

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Requires Eyepiece
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  • 1Description

With an updated focusing system to give users the ability to see sharper views faster, the angled-viewing ES v4 100 GA ED/45 Fieldscope from Opticron features a large objective lens that draws in generous amounts of light to boost brightness during the day, and improves its performance in low-light conditions such as at dawn and dusk. Extra-low dispersion glass is used and configured in a high-definition tri-element lens system and F-type anti-reflection multi-coatings are applied to the optical surfaces to improve contrast and color accuracy while virtually eliminating off-axis comas and aberrations. This version of the ES v4 is offered here without an eyepiece for users who already have compatible Opticron SDL v2 and HDF T eyepieces.

The ES v4 has its eyepiece holder set at 45° to place the user's head in a more comfortable position whether they are sitting, standing, or lying prone. Its rotating tripod collar also allows the eyepiece orientation, relative to the tripod, to be adjusted for precise placement no matter the viewing position. The body is made of magnesium and aluminum alloys, and polycarbonate to help reduce weight while remaining strong and sturdy. The optical tube is nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging in extreme conditions. A textured rubber armor offers increased grip security during setup and breakdown, and the focusing knob is split into coarse and fine wheels for easier handling.

Ruggedly designed, and built to perform in the harshest conditions, the Opticron ES v4 100 GA ED/45 fieldscope is the ideal companion for birdwatching, hunting, and general observations in the field, at the range, or just about anywhere there are sights to be seen.

Optical Performance
  • Eyepiece required for proper use (fully compatible with SDL v2 and HDF T eyepieces)
  • Large 100mm objective lens diameter gathers generous amounts of light to boost low-light performance
  • Extra-low dispersion (ED) glass corrects for spherical and chromatic aberrations, astigmatism, and off-axis comas to produce crisp and sharp images with accurate colors, especially at the edges
  • Tri-element high-definition objective lens system further improves color, clarity, and contrast
  • Proprietary F-type anti-reflection multi-coated optics improve light transmission for brighter and clearer views with accurate color fidelity
Use and Handling
  • 45° angled eyepiece mount for more comfortable viewing while standing, sitting, or lying
  • 8:1 dual focusing system enables fast coarse and precision fine focusing
  • Retractable lens hood protects objective against sun glare that can interfere with clear views, while keeping rain and snow off in inclement weather
  • Rotating tripod collar allows for precise eyepiece placement relative to tripod, for the most comfortable viewing
  • Standard 1/4"-20 tripod mount
Construction Details
  • Center-balanced for easier mounting on support systems
  • Durable body design constructed from polycarbonate, and magnesium and aluminum alloys reduce weight without sacrificing strength
  • Nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes
  • Protective rubber armoring is textured to provide a slip-resistant grip for better handling during setup and breakdown
  • Integrated rubber objective lens cover can be easily put on and taken off without the chance of losing it
  • Made in Japan
In the Box
Opticron ES v4 100 GA ED/45 Fieldscope (Angled Viewing, Eyepiece Required)
  • Objective Lens Cover
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Objective Lens Diameter 100mm
    Minimum Focus Distance 32.8' / 10.0 m
    Mounting Thread 1/4"-20
    Filter Thread Not specified by manufacturer
    Weatherproofing Nitrogen-filled, water and fogproof
    Length 19.6" / 49.7 cm
    Weight 6.2 lb / 2.8 kg
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