Opticron GS 665 GA/45 Fieldscope with HDF 16-48x zoom eyepiece and Green stay-on-case

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Opticron GS 665 GA/45 Fieldscope with HDF 16-48x zoom eyepiece and Green stay-on-case
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Our Price:  £419.00
List Price:  £573.00
Saving Of:  £154.00
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Brand:  Opticron

Delivery:  No charge

Availability:  

  

In stock, immediate despatch


Introduced in response to demand for high quality lightweight waterproof telescopes the Opticron GS 665 series set the standard for people wanting to take-out and walk-about with their equipment whether for birdwatching or general wildlife observation. Available in straight-through or 45°, the models are designed and manufactured to meet the three main requirements demanded by today's active fieldscope user: high-end optical performance, usability and reliability.

'High end' optical performance and value

The GS 665 uses a 66.5mm dia objective lens without any noticeable gain in size or weight over a 65mm. With a 5% more light entering the telescope, more light is emitted, resulting in brighter images compared to a standard 65mm throughout the magnification range. 100% designed and manufactured in Japan using high quality glass and other materials, each GS 665 produces high resolution images with minimal edge distortion and accurate colour reproduction.

Usability

The GS 665 is designed to provide class winning optical performance seamlessly in even pretty harsh conditions. Protected by full body natural rubber armour, the centrally positioned focusing wheel allows easy access for both right and left handed users and is rubber covered to deliver a positive feel with or without gloves. The focusing system is designed to allow adjustment from infinity to 50 metres in just a 270° turn with close focus set at 4m. Housed within the same mechanism is a 9:1 ratio focus adjuster, providing greater focusing accuracy at top end magnifications.

More often than not, telescopes need to be tripod mounted for image stability so any weight saving is crucial. Constructed to be as light as possible, the standard GS 665 weighs less than 1kg (w/o eyepiece) and as a result can be used comfortably on a standard ‘non fluid’ panhead often found on Clamps or Travel Tripods. In addition each GS is fitted with a -/+ 90° rotating die-cast alloy tripod sleeve with 45° incremental 'stops'. This feature enables the scope to rotate around its’ central axis for accurate positioning when mounted to a bipod or on a clamp in a Hide or Blind. To avoid problems of reflected light on the objective lens in bright sunlight models are fitted with a retractable lens hood with integrated objective lens cover.

Having access to full a range of eyepieces is also important. The GS 665 series are fully compatible with Opticron SDL and HDF T eyepieces including the 40862G HDF T 16-48x and 40809G HDF T 25xWW.

Reliability

Extensively tested for continuous trouble free use in varying temperatures, the models are fully nitrogen gas filled waterproof and come with the assurance of a

Key features include:

Nitrogen gas filled waterproof construction for 100% waterproofing
Lightweight construction: from just 1,053g
Superior light transmission derived from the 66.5mm objective lens
High quality fully multi-coated optical system
Centrally positioned rubber focusing wheel to allow easy access for both left and right handed users
Full body natural rubber armouring with integrated rubber objective lens cap
Built-in 9:1 ratio fine focus adjustment for greater focusing accuracy at higher magnification settings
Centrally positioned rubber covered focusing wheel to allow easy access for both right and left handed users
Large footprint tripod sleeve with -/+ 90 degrees each-way rotation and 45 degree incemental 'stops'
Retractable lens hood
Fully compatible with Opticron SDL, HDF and HR Eyepieces and Telephotoadapters
30 year guarantee

Specifications:

Opticron Product Code: 40961

OG Diameter: 66.5mm

Minimum Focus: 3.8m

Length: 326mm

Weight: 980g

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