OT: Binoculars for birds?

Started 1 month ago | Questions thread
Tom Axford Veteran Member • Posts: 8,414
Re: Image stabilisation

BobT3218 wrote:

I once worked with Master Mariners. The maritime binocular standard at the time was a 7x40. Any more than a 7x magnification was considered too difficult to use in a maritime environment. Too difficult to find the object and too difficult to hold in place in a moving environment. The 40 was to give the max light without undue bulk. The nearest I could get in an Olympus was 8x42. I find it more than adequate for birds.
Having said that, you probably aren't going to be looking at seagulls whilst on a boat so a higher magnification would be OK but if you are wanting to be looking at birds in flight then maybe not.

I think that 7x50 is generally recommended for marine binoculars because, not only are they the best in low light, but also the 7mm exit pupil makes them easier to keep in alignment with your eyes while standing on a moving deck at sea.  However, they are expensive.

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