Search results

I few years ago I made a Frankenstein Swift Saratoga fitted with Bak4 prisms from an Audubon model. The difference in that the edges of the field were brighter than on a stock model, other than that little changed. See it here....It's still alive...

Well I have just bought an FPO with Bak4 prisms, will be interesting to compare the other side by side.

i think you will find the Rangemaster has coatings on all the lenses in the ocular. Mine does indeed appear to have low index prisms, however that is not necessarily a bad thing. Just as a digital camera with a high count pixel sensor sounds good, there are disadvantages. Bk7 prisms are less...

Is your Zeiss clean inside? These binoculars gas inside resulting in misty prisms. Worth a check.

The Rangemaster is a flagship model of the Bushnell, I have the same model but needing attention to an eye lens. They are despite this fault sharp and wide but not as bright as a modern multicoated binocular.