The 10x 42 el range does not have the same lenses as the 10x 42 el sv. It does not have the field flattened lenses. It has been discussed on here quite a bit and the concensus is the non range swaro 10x 42 el sv is optically superior.I'm not qualified to answer this question because I've never looked through the 10x32's but my buddy who is a mule deer hunting fanatic and a dang good Glaser used to have 10x32's. He upgraded to 10x42 el's with range finder for several years and is now looking to go back to 10x32's due to weight savings. He said he's never gained very much in light gathering ability when he stepped up to the 42mm. Fatrascal
I have first generation 8x32 and 10x32. The 8x produce a "wow" every time I look through them or anytime I let someone else look through them. The 10x lack the wow factor but are still very nice and in my testing they actually let me see a little bit more detail (due to magnification) even at dusk. However, the little 10x just aren't as pleasing to look through and I'm assuming it's likely due to the small exit pupil that makes eye placement a little more critical.I bet your eyes couldn't tell the difference between the two. The 32's will be lighter and handier but the eye box will not be as big as the exit pupil is 3.2 on the 32mm vs 4.2 for the 42mm. I have a pair of 8x32 and 10x42 EL's and have a very hard time telling them apart visually besides the power difference. The 42 glass does have less glaring at sunset but the 32's are still great and I am being nit picky.
The 10x 42 el range does not have the same lenses as the 10x 42 el sv. It does not have the field flattened lenses. It has been discussed on here quite a bit and the concensus is the non range swaro 10x 42 el sv is optically superior.
That being said the 10x 42 el sv has better light transmission then the 10x 32 el sv. Also the 10x 42 has a wider field of view. Technically the 10x 42 is optically superior to the 10x32. I guess it comes down to weight savings if that's what you desire.
I stand corrected.The 10x32 actually have a wider field of view than the 10x42 according to Swarovski.