What are you guys using? 8x or 10x for whitetails. In binos.

8x42...

I have the Pentax DCF-SPs in 8X43

I chose 8X over 10X for a variety of reasons:

8X is always brighter than 10X for any objective size because the exit pupil (the width of light exiting from the ocular lens) is bigger. Brighter for me is better for hunting in the woods.

Field of view is greater for 8X over 10X

If I hunted in open country out West I might choose 10X, but I feel that the brighter image with a wider FOV is a better fit for me.

I have 10x pentax DCF-SP's due to hunting the canadian prairie's.

I find my 8x is just perfect for hunting deer although I wouldn’t mind getting a 10x for open country...

I prefer 8x42s as well. Where I hunt in Eastern Pennsylvania I am either using the bins for moderate range (100-200 yards) glassing or IDing animals at close quarters (30-40 yards). For these two distances I think the 8x42s brighter image, wider field of view and higher eye comfort level (larger exit pupil) give me a more preferrable package. With a 10x I prefer a 50 mm objectivebut then you tend to get into weight and length issues in comparison to an 8x42.

I also hunt Southeast Pa. and use the 8 x 42. I tried a pair of 10x a couple of years ago and found it very difficult to find and track deer in medium and heavy foliage, even from a tree stand. The 10x and 12x are more suited to open terrain.

8x42 for me too.

I have used Pentax 8 x 42"s all over the world from Africa to Mexico . From coues hunting in Mexicoto Mountain Goat in B.C. Canada.

7x42 with a 420' feild of view. With quality glass, the lower magnification doesn't hurt your ability to discern things much. Also, they feel much better to me when scanning under 100 yards than 8x or 10x. I think that is all field of view related.