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I suggest not going over 10 power. That will mean you'd probably need a tripod to hold them steady. 10 x 50 is the largest I'd go. I used 7 x 35 on our cruises and was plenty happy. They were bright enough and powerful enough for me from the ship. Don't break the bank either. Bushnell's or Tasco, etc at Target or Walmart for under $50 will meet your needs.The second number (aperature) is the more important number. This will determine how much light enters the binoc's. The more light...the sharper the image. Power is secondary. And there is a physics law regarding optics, and I can't recall exactly what it's called, but twice the aperature isn't twice the light gathering ability. Twice the aperature is 4 times the light gathering ability.
I suggest not going over 10 power. That will mean you'd probably need a tripod to hold them steady.
10 x 50 is the largest I'd go. I used 7 x 35 on our cruises and was plenty happy. They were bright enough and powerful enough for me from the ship. Don't break the bank either. Bushnell's or Tasco, etc at Target or Walmart for under $50 will meet your needs.
The second number (aperature) is the more important number. This will determine how much light enters the binoc's. The more light...the sharper the image. Power is secondary.
And there is a physics law regarding optics, and I can't recall exactly what it's called, but twice the aperature isn't twice the light gathering ability. Twice the aperature is 4 times the light gathering ability.
