Roof prism binoculars vs porro prism binoculars a comparison.
Binoculars porro vs roof.
It is difficult to say whether porro prism or roof prism binoculars are better.
Roof prism binoculars appeared simpler than porro prism binoculars.
But inside they had a more complex light path and required much greater optical precision in manufacturing.
As a result they cost more to make.
So if you re on a tight budget go ahead and look for a porro set sporting bak 4 prisms.
Of both types there are good and not so good instruments.
Roof prism binoculars have lately become more popular than porro prism binoculars.
And they re much better for overall general use.
The difference between porro prism and roof prism binoculars is in the design and the respective features.
However porro prism binoculars are great watching birds or other small objects.