Compact lightweight and comfortable to hold.
Roof prism vs.
Roof prism binoculars are more compact lightweight but they are more expensive.
The difference between porro prism and roof prism binoculars is in the design and the respective features.
Increase in popularity after the introduction by zeuss and leitz.
However porro prism binoculars are great watching birds or other small objects.
But inside they had a more complex light path and required much greater optical precision in manufacturing.
But it would be bulkier.
As a result they cost more to make.
In roof prism binoculars the internal prisms overlap closely allowing the objective lenses to line up directly with the eyepieces resulting in an overall h shape.
Standard design in use till 1960s.
Roof prism binoculars vs porro prism binoculars a comparison.
And they re much better for overall general use.
But like most things in life the reality is all things aren t equal.
With components and labor efforts being equal porro prisms are superior.
Both types of prism have advantages and disadvantages.
Binoculars with roof prisms are straighter and more compact.
Bresser does produce the best image quality in terms of increased 3d effect.
They ll provide just as vibrant an image as a corresponding roof set at a fraction of the cost.
But not all porro prism binoculars produce such an image.
So if you re on a tight budget go ahead and look for a porro set sporting bak 4 prisms.
The porro prism design was simpler and more light efficient and its images showed better contrast.
Roof prism binoculars appeared simpler than porro prism binoculars.
Yes you are correct that porro prisms in their basic prism design is as perfect as can be compared to roof prism binos.
Roof prism binoculars have lately become more popular than porro prism binoculars.
I have various sets of binoculars such as military binocular baigish pentax bresser.
The bottom line on binos.
As these prisms are easier to make they are cheaper to buy.
The prisms are usually coated to increase reflectivity and to keep the light waves in the right direction.
However the prism design is only part of the optical equation.
If porro prisms had the same amount of labor and engineering efforts as roof prism binos porro prisms would always be superior.
Porro prism vs roof prism.