Opticron Marine-3 7x50 BIF.GA Monocular

  • £119.00
  • (Delivery from £39.99)
  • RRP £129.00
Item in Stock | Usually dispatched within 24 hours

Marine-3 7x50 BIF.GA Monocular 30054.

Designed with a large exit pupil for maximum brightness and a huge depth of focus for ease of use, the Marine-3 7x50 BIF.GA monocular is built to meet the demands of the enthusiast and professional mariner.


Porro prism design.

Contoured protective rubber armouring.

Nitrogen gas filled waterproof construction.

Fully multi-coated optical system (all air/glass surfaces).

Full field of view wearing glasses.

Eyepiece focusing.

Fold down rubber eyecup.


Colour: Black.

Size: 7x50.

Magnification: 7.

Lens Diameter(mm): 50.

Lens Diameter(inch): 2.

Field of View(°): 7.2.

Field of View(m@1000m): 126.

Field of View(ft@1000yd): 378.

Close Focus(m): 9.

Close Focus(f): 29.5.

Eye Relief(mm): 18.

Eye Relief(inch): 0.7.

Waterproof: Yes.

Prism Type: Porro.

Length(mm): 188.

Width(mm): 85.

Depth(mm): 83.

Dimensions LxWxD(mm): 188x85x83.

Dimensions LxWxD(inches): 7.4x3.3x3.3.

Weight(g): 540.

Weight(oz): 19.

Weight(lb): 1.2.

Marine-3 7x50 monoculars are supplied in a soft case with monocular strap and rubber objective lens cover.

10 year guarantee.


Free collect in-store.

If you prefer to pick up your goods in person simply choose the collect in-store option during checkout. We will notify you when your items are ready to collect, then simply bring along proof of purchase to the shop to pick up your order. You may also be required to show proof of age for certain items.

Free delivery.

Delivery is free to all UK addresses on orders over £50 with the exception of products in our Clearance section. The delivery cost will be automatically adjusted during the checkout process.

Delivery of orders.

We will dispatch your order as soon as we have all your items in stock. This may take a number of days if we have to order more items from the manufacturer. Once your order has been posted please allow 3-5 days delivery time (Please note that this will be longer for delivery addresses outside the UK).

Tracking orders.

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Returns & Exchanges.

If for any reason you wish to return an item, you must first contact us at orders@grahamsonline.co.uk to be given an authorised RMA number.

You have a period of 14 days with which you are able to return an item for any reason. Please ensure that you have suitably packaged the item as we are not responsible for damages occurred during postage back to us. The costs of returning goods to us shall be borne by you. If your returned items are accepted you will be given a replacement/credit/refund where applicable.