Yes you are correct that porro prisms in their basic prism design is as perfect as can be compared to roof prism binos.
Which is better roof prism or porro prism.
There is a legitimate price difference between the two as well.
Ideally suited to use during a picnic or gathering they are known for their good ergonomics and holding stability.
Porro prism binoculars are bigger and heavier in size than roof prism but it is very much popular in traditional days still in the modern era it is equally necessary.
So it is for this reason that in theory a cheap porro prism should perform better than an equally costing roof prism.
The aligned objective lens and eyepiece allow a compact sleek design.
These binoculars are larger and less expensive than roof prism binocular.
These binoculars are less durable because of these factors such as bulkier and wider in size as well as very difficult to find waterproof quality in these binoculars.
Spatial vision the impression of depth is better in porros than in roof prism binoculars making them more suitable to estimate distances between viewed objects.
Porro binoculars are usually waterproof and fogproof if you choose a pair from well known manufacturers listed above.
The porro prism design was simpler and more light efficient and its images showed better contrast.
However as manufacturing costs have reduced and techniques for coating the prisms got better you now can often get what i would call a low cost roof prism binocular that comes with silver mirror coatings and phase correction coatings that to my eyes perform as well as any low cost porro prism.
Porro binoculars produce more stereoscopic image.
Porro binoculars are cheaper than roof binoculars.
If porro prisms had the same amount of labor and engineering efforts as roof prism binos porro prisms would always be superior.
Double porro prism shortened to porro.
These prisms are more complex and so take more time to design.
The way they are designed makes them more robust so they will last longer.
However the prism design is only part of the optical equation.
So if you re on a tight budget go ahead and look for a porro set sporting bak 4 prisms.
Roof prism binoculars appeared simpler than porro prism binoculars.
Roof prism bino sets are often much more expensive than porro designs of the same magnification.
Porro prism binocular is heavier than roof prism binocular.
This makes them more expensive.
Roof binoculars are in a higher general price category than porro prism binoculars and represent a class of more powerful viewing instruments.
This makes the binoculars lighter and easier to carry.
Good roof prism binoculars demand a more complicated binoculars design and are usually used in more expensive binoculars.
But inside they had a more complex light path and required much greater optical precision in manufacturing.
If you are traveling with your binoculars roof binoculars will be a better choice than porro prism binoculars because they are designed to be a lot more durable and are usually waterproof.
At close range however porro prisms are at a disadvantage.
They are lighter than porro prisms and more compact.
