Close Up Lens Filter Diopter Vs Magnification
Related Faq
Q
How is the multiple calculated?
A
Equipped with eyepieces: H6mm, H20mm The multiples are: 300/6=50 times, 300/20=15 times. If you choose a 3 times Ballov lens, the magnification is 50X3=150 times, 15X3=45 times; plus a 1.5 times orthographic lens, the imaging is a positive image, and the magnifications are: 50X1.5=75 times, 15X1. 5=22.5 times. Namely: minimum magnification: 15 times, maximum magnification: 150 times. 
Q
Do these zoom from 10-40 magnification?
A
NO, dont listen to the other person who answered because they have no idea what they are talking about. these are 10x magnification. in one part of the listing is says 40mm is the size of the objective lens and in another part is says the objective lens is 60. either way it says in multiple spots that these are 10X magnification which makes sense because its identical to my expensive 10X binoculars 
Q
Does this have adjustable magnification?
A
Yes 
Q
Hi,i want to know if these binoculars be good for watching wildlife? Thanks for your answer.
A
I think so. If you want to get a close up of wildlife,i will recommend you these binoculars. The disadvantage is that they are a little heavier and bigger than other binoculars. Bur if you want to look at the various options for magnification ,you’d better choose magnification like these 10x. They will help you view more filed and view,hope you enjoy your binoculars. 
Q
What does this spotting telescope "10-30x50" mean?
A
This means that the magnification can be adjusted from 10 to 30 times, the objective lens is 50mm, a great telescope, light and durable. 
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