Not all that many years ago the only rangefinders available to long range hunters were the various military coincedence types that were large and bulky although not all that heavy.
Primarily they are of WW2 vintage, even some of WW1 vintage, although some are more recent like some of the Wilds for example.
They are if in good condition and properly calibrated very accurate. And they would and still will for those who still have them out perform the lazer models made today.
If you can see the target, you will get a range on it, regardless of bright sun, snow, rain, or whatever.
Not the case with even the better lazers, as many of us know.
So, my suggestion is to buy the one you like and can afford.
Then go out and take ranges at the places you hunt on a good day in the off season and make up a range book.
Then you wont need worry about your rangefinder letting you down because of poor conditions ever again at those locations.
In fact you dont even need a rangefinder in order to do that.
Just guess the distance to the target, dial the scope and shoot at it.
Write down how much elevation was needed to hit it, then move on to another target, then another, untill you have enough information to cover that location.
Then let it snow or whatever.
