Leupold VX6 vs Sawro Z5
I recently tried two scopes head to head. Both of the scopes I tried were 18x magnification. The Swaro had a 1" tube with a 40 mm objective lens and the Leo was a 30mm tube with a 50 mm objective.
I looked through them in store then outside. I then looked at them after the sun had gone down. My expectations where turned on there head. I shoot Euro optics on several of my firearms. I thought that the low light performance of the VX6 was superior to the Swaro. I cant believe how far the VX6 has come in lowlight performance. I guess i cant be a Euro optic snob anymore. Let me say that both scopes performance was outstanding. I am interested in hearing what your hunting experiences have been. Please feel free to comment. |
The Leupold had an advantage going into this comparison, because of the larger objective lens. In order to do a fair comparison, you would need to compare two scopes with the same size objective lens. For hunting , I find no need for a 50mm objective lens. I have the Swarovski Z5 3.5-18x44 scopes on two of my hunting rifles, as I prefer smaller objective lenses, so that I can mount the scope lower.
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I had a Leupold VX-6 3-18 x 44 that I've since parted ways with (not due to wanting to :( ), and I was very fond of it. When finances allow I would like another one, but perhaps with a different reticle than the B&C. I like the fine duplex reticle so I can pick which hairs I'll be splitting. I don't know if they do the fine duplex in the illuminated reticle though :thinking-006:
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A 50 mm objective is 56% larger than a 40mm,
but some lens dia is lost to mounting, A 46mm effective is 63% larger than a 36mm. A larger objective collects more light. I suspect the Swaro may have better coatings, which may result in a higher % light transmission, but the Leupold gathers with much more. I am not an optical engineer, but suspect that the Swaro probably transmits ~90%, but the larger objective scope would only need to transmit 55% to achieve an equal amount transmitted. This is one of those situations where 'size matters'. Good Luck, YMMV. |
My z5 is 18.1 ounces on the postal scale. My VX-6 is 22.8 ounces. The VX-6 shows better colors and is requires about 1 1/2X less magnification setting for me to see the same detail. I checked with a friend at the range who has a z6 3-18X and a VX-6 3-18X and I noticed the same thing with his as I did with mine. He told me he noticed the same thing. The VX-6 just seems nicer.
The z5 has a 1" tube while the VX-6 has a 34mm tube. That's right! a 34mm tube. The crosshair in the z5 is maybe 1/3 the thickness of the one in the VX-6. Also the side focus and magnification ring of the z5 is effortless, while the VX-6 both are rather stiff. |
Article about scope brightness by John Barsness from 24hr Campfire.
http://www.24hourcampfire.com/index.html |
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I prefer the smaller objective as well, I like to be able to mount my scope 3mm lower
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