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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
SWFA 5-20x50mm SS, a Super Sniper Evaluation
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<blockquote data-quote="Niles Coyote" data-source="post: 529970" data-attributes="member: 11118"><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Low light test:</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">I have been out twice now. The first time just a informal stroll in the field using trees, limbs, leaves and weeds as my objects to judge the scopes ability to resolve in diminishing light from sunset to a full hour after using both the SS and the Leupold 3.5-10x40mm LR M3. What I found was surprising. The SS lost the ability to resolve fine detail much quicker than the Leupold even though the Leupold has an objective lens 10mm smaller.</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Because of what I experienced I felt compelled to test again using the 1951 USAF resolution chart below at 100 yards with one of my Nightforce 3.5-15x50mm thrown in the mix.</span></span></p><p> </p><p><a href="http://en.wikipedia.org/wiki/File:1951usaf_test_target.jpg" target="_blank"><span style="font-family: 'Calibri'"><span style="font-size: 12px">http://en.wikipedia.org/wiki/File:1951usaf_test_target.jpg</span></span></a></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">With the above chart printed out on a standard size paper. With the Leupold set at 10x I dialed down the other two until the image was of equal size in all scopes. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Also please keep in mind the area I was doing this test in is not uncovered, open ground. My 100 yard range at home is populated by many mature pine trees and the majority is on the western side of the range so the light levels are lower than they would be out in the open.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Testing was done at 100 yards.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Sunset +7 minutes; </span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Calibri'">With the SS I could resolve only the largest horizontal set on the page corresponding with the #1(bottom right); vertical sets resolved were # 1, 2 and 3. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The Leupold resolved down to line 4 on the left for horizontal (referred to H from here on) and also line 5 for vertical (referred to V from here on). </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The NF was able to resolve all but the smallest H (#6) on the left side and all V sets on the left side were discerned.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Sunset +15;</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The SS had lost all H (left and right sides) and I could just make out the largest set of V on the left side and the larger V on the bottom right. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The Leupold was holding its own, resolving #2 H and #2, 3, 4 V on the left.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The NF resolved #2 and 3 H and 2, 3, and 4 V.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Sunset +20;</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">The SS was unable to resolve anything but the large white square at this point</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">With the Leupold I could discern no H lines but could make out #2 V on the left and #1 V on the right.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">NF was able to detect only the #1 H on the right and down to # 3 on the left for V</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Sunset +25</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">SS- if I didn't know the White box was a square it could have easily been mistaken for a circle. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Leupold- I could only resolve the box and the V on the right.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">NF- I was able to pick up the box and largest V sets on the left and right sides.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Sunset +30 </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">SS-just a white blob for the box.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">Leupold- just the white square</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">NF- White Square and largest V on the right.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">At this point I stopped viewing. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px">I had turned the Illumination on a few times throughout the testing on both the SS and NF. I found the ability to set my desired power level on the SS a great benefit and the NF was almost blindingly bright as the light level faded. The NF is still at the factory set level as I have not opened the unit up to adjust it. This NF had the np-r1 reticle and I need it bright at times for use during daylight against dark backgrounds. </span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Calibri'">Also, when I was out in the field, I turned my two optics toward the western horizon as the sun was setting and both the Leupold and SS handled internal flair well. While it was present in both, it was not as bad as I have experienced in other optics. </span></span></p><p> </p><p><span style="font-family: 'Calibri'">So that concludes my lowlight testing… Questions???</span></p></blockquote><p></p>
[QUOTE="Niles Coyote, post: 529970, member: 11118"] [FONT=Calibri][SIZE=3]Low light test:[/SIZE][/FONT] [FONT=Calibri][SIZE=3]I have been out twice now. The first time just a informal stroll in the field using trees, limbs, leaves and weeds as my objects to judge the scopes ability to resolve in diminishing light from sunset to a full hour after using both the SS and the Leupold 3.5-10x40mm LR M3. What I found was surprising. The SS lost the ability to resolve fine detail much quicker than the Leupold even though the Leupold has an objective lens 10mm smaller.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Because of what I experienced I felt compelled to test again using the 1951 USAF resolution chart below at 100 yards with one of my Nightforce 3.5-15x50mm thrown in the mix.[/SIZE][/FONT] [URL="http://en.wikipedia.org/wiki/File:1951usaf_test_target.jpg"][FONT=Calibri][SIZE=3]http://en.wikipedia.org/wiki/File:1951usaf_test_target.jpg[/SIZE][/FONT][/URL] [FONT=Calibri][SIZE=3]With the above chart printed out on a standard size paper. With the Leupold set at 10x I dialed down the other two until the image was of equal size in all scopes. [/SIZE][/FONT] [FONT=Calibri][SIZE=3]Also please keep in mind the area I was doing this test in is not uncovered, open ground. My 100 yard range at home is populated by many mature pine trees and the majority is on the western side of the range so the light levels are lower than they would be out in the open.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Testing was done at 100 yards.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Sunset +7 minutes; [/SIZE][/FONT] [SIZE=3][FONT=Calibri]With the SS I could resolve only the largest horizontal set on the page corresponding with the #1(bottom right); vertical sets resolved were # 1, 2 and 3. [/FONT][/SIZE] [FONT=Calibri][SIZE=3]The Leupold resolved down to line 4 on the left for horizontal (referred to H from here on) and also line 5 for vertical (referred to V from here on). [/SIZE][/FONT] [FONT=Calibri][SIZE=3]The NF was able to resolve all but the smallest H (#6) on the left side and all V sets on the left side were discerned.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Sunset +15;[/SIZE][/FONT] [FONT=Calibri][SIZE=3]The SS had lost all H (left and right sides) and I could just make out the largest set of V on the left side and the larger V on the bottom right. [/SIZE][/FONT] [FONT=Calibri][SIZE=3]The Leupold was holding its own, resolving #2 H and #2, 3, 4 V on the left.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]The NF resolved #2 and 3 H and 2, 3, and 4 V.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Sunset +20;[/SIZE][/FONT] [FONT=Calibri][SIZE=3]The SS was unable to resolve anything but the large white square at this point[/SIZE][/FONT] [FONT=Calibri][SIZE=3]With the Leupold I could discern no H lines but could make out #2 V on the left and #1 V on the right.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]NF was able to detect only the #1 H on the right and down to # 3 on the left for V[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Sunset +25[/SIZE][/FONT] [FONT=Calibri][SIZE=3]SS- if I didn’t know the White box was a square it could have easily been mistaken for a circle. [/SIZE][/FONT] [FONT=Calibri][SIZE=3]Leupold- I could only resolve the box and the V on the right.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]NF- I was able to pick up the box and largest V sets on the left and right sides.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Sunset +30 [/SIZE][/FONT] [FONT=Calibri][SIZE=3]SS-just a white blob for the box.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]Leupold- just the white square[/SIZE][/FONT] [FONT=Calibri][SIZE=3]NF- White Square and largest V on the right.[/SIZE][/FONT] [FONT=Calibri][SIZE=3]At this point I stopped viewing. [/SIZE][/FONT] [FONT=Calibri][SIZE=3]I had turned the Illumination on a few times throughout the testing on both the SS and NF. I found the ability to set my desired power level on the SS a great benefit and the NF was almost blindingly bright as the light level faded. The NF is still at the factory set level as I have not opened the unit up to adjust it. This NF had the np-r1 reticle and I need it bright at times for use during daylight against dark backgrounds. [/SIZE][/FONT] [SIZE=3][FONT=Calibri]Also, when I was out in the field, I turned my two optics toward the western horizon as the sun was setting and both the Leupold and SS handled internal flair well. While it was present in both, it was not as bad as I have experienced in other optics. [/FONT][/SIZE] [FONT=Calibri]So that concludes my lowlight testing… Questions???[/FONT] [/QUOTE]
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SWFA 5-20x50mm SS, a Super Sniper Evaluation
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