Yes different binoculars render colour or (Color)|8.|differently to others.
I have found that coatings make a shift in colour too, yellow coatings found on 70's Swifts shift the colour temp to a cool tone.
Russian binoculars give a yellow view but don't let this worry you to much.
You brain will...
Have a look at my page. The Saratoga MKII is a wide 8x40 with a slightly cool colour rendition and tight eye relief. If the binocular is haze free it will give a spectacularly wide view, not as bright as a modern Porro and soft at the edges.
It also uses lower quality prisms that vignette the...
I have the feeling Nikon are edging away from all the Porros.
The EII is in my mind a beter binocular than the SE as it has a wider FOV.
The SE is brighter and has best edge sharpness but the EII is the Porro king for me.
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...
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...
I think the best Swift model I have ever looked through is the Model 804 Audubon. In it's FMC guise it is bright and sharp, a really easy binocular to use.
I think between my Nikon 8x32 Se and the 8x30 EII's the EII are my preference. Although not quite as bright and without the field flattener...