http://www.huntchat.com/showthread.php?s=&threadid=37531Swedish magazine Vapentidningen no 6/2004 has printed a consumer lab test for riflescopes suitable for hunting at dusk/dawn.
Their conclusion is that the German/Austrian scopes are by far the best, but the leap from the cheaper US scopes are smaller today than it was at the last test 7 years ago.
Aerotech Telub lab did the scientific testing using spektrofotometers, broad spectral lamps and kolliminators.
The scopes were tested for field of sight, eye relief, "tube effect", ergonomy, click adjustment accuracy, impact change with change of magnification, sharpness and contrast, light transmission, reflexes, twilight performance.
Here's a bit more on the test. unfortunately the scope selection was somewhat limited. And please not that the test was geared towards scopes for post hunting in dark autumn evenings.
The test and description of the test criterias runs over 10 typed pages, so theres a bit too much work to translate all of that and post them on this forum However, I will post the scoring scales.
Field of view at 100m
0-5m 0 points
5-6m 1 point
6-7m 2 points
7m+ 3 points
Eye relief
0-6cm 0 points
6-8cm 1 point
8-10 2 points
10+ 3 points
Tube effect
Sight picture severly disturbed by tube effect at all magnifications: 0 points
Sight picture severly disturbed at lowest magnification, disturbed at highest: 1 point
Sight picture distusturbed at all magnifications: 2 points
Sight picture disturbed only at lowest magnification: 3 points
Sight picture not disturbed: 4 points
Ergonomy
Magnification ring turns smooth and even: 1 point
Possible to read magnification marking in the dark: 1 point
Quick and smooth focusing: 1 point
Possible to click scope without tools: 1 point
Click adjustment easy to feel: 1 point
Good markings on all adjustments: 1 point
Indication of scope center: 1 point
Sight adjustment
Click adjustment deviation in percent
100-50% 0 points
50-20% 1 point
20-5% 2 points
5-1% 3 points
0% 4 points
Adjustment range at 100m
0-50cm 0 points
50-100cm 1 point
100-200cm 2 points
200-300cm 3 points
300cm+ 4 points
Change of impact with magnification at 100m
5cm+ 0 points
5-1cm 1 point
1cm- 2points
Nil 3points
Resolution and contrast
Field testing, can/cannot see various targets, details and colours under equal conditions and settings
Resolution 0-10 points
Contrast 0-10 points
Anti reflex
Under equal conditions and settings with light source facing the objective
Lenses
Not able to see through scope: 0 points
Sight picture is white, difficult to aim: 1 point
Sight picture is white, but aiming possible: 2 points
Sight picture a little white: 3 points
Sight picture good, but without contrast or colour: 4 points
Sight picture not affected: 5 points
Reticule
Not able to use the reticule: 0 points
Severe shadows and reflexes on it: 1 point
Shadows and reflexes on it: 2 points
A little shiny: 3 points
Sharp but mis-coloured: 4 points
Sharp and black: 5 points
Light transmission at 500-550 nm (twilight light)
Please note that scopes can transmit other wavelengt light better
0-10% 0 points
10-30% 1 point
30-40% 2 points
40-50% 3 points
50-60% 4 points
60-70% 5 points
70-80% 6 points
80-85% 7 points
85-90% 8 points
90-95% 9 points
95-100% 10 points
Twilight performance
Light were progressively reduced and scopes where excluded when it was no longer possible to determine target/crosshairs. Lighted reticules were not used. Scopes where used at all magnifications. Scopes where scored 0 to 10 points according to how little light it was possible to use it in.
Scopes tested:
BSA big cat 3,5-10x42
Burris fullfield II 3,5-10x50
Bushnell elite 4200 2,5-10x40
Docter 3-12x56
Kahles cb 3-12x56
Leupold XIII 3.5-10x50
Meopta artemis 2000 3-12x50
Meopta artemis 3000 3-12x56
Micro Dot 2.5-10x56
Nickel gerhardt 3-12x56
Nightforce np1 3.5-15x56
OXO ontario 3-9x56
Pecar 4-10x56
S&B Zenith 2.5-10x56
S&B 2.5-10x56
Shirstone Gold 4-12x58
Shirstone Gold 3-10x56
Swarovski Habict 2.5-10x56
Tasco Titan 3-12x52
Trijicon accupoint 2.5-10x56
Zeiss diavari z 3-12x56
Zeiss varipoint v 3-12x56
Zeiss diavari v 3-12x56
A short summary of the results below.
Scope name
B resolution (max 10)
C colour & contrast (max 10)
D anti-reflex (max 5+5)
E light transmission (max 10)
F twilight performance (max 10)
G overall test result (including all test results, not just the ones I've printed. Max possible 78)
Remember, this is a lab test, not some testers subjective opinion.
BSA Big cat 3,5-10x: B3 C3 D5 E6 F3 G44
BURRIS FULLFIELD II 3,5-10X: B10 C7 D6 E9 F7 G58
DOCTER 3-12X: B7 C8 D8 E8 F7 G60
KAHLES CB 3-12: B6 C8 D8 E9 F8 G62
LEUPOLD VXIII 3,5-10X:B7 C7 D8 E8 F6 G60
MEOPTA ARTEMIS 3000 3-12X: B7 C7 D7 E7 F7 G57
MEOPTA ARTEMIS 2000 3-12X: B6 C7 D7 E7 F6 G55
MICRO DOT 2,3-10X: B7 C6 D7 E8 F7 G58
NICKEL GERHARDT 3-12X: B9 C8 D8 E9 F9 G66
NIGHTFORCE NP1 3,5-15X: B9 C6 D9 E8 F7 G60
OXO ONTARIO 3-9X: B3 C3 D4 E6 F2 G39
PECAR 4-10X: B5 C6 D6 E8 F5 G46
SCHMIDT UND BENDER ZENITH 2,5-10X: B7 C8 D9 E9 F9 G65
SCHMIDT UND BENDER 2,5-10X: B9 C8 D8 E9 F9 G66
SHIRSTONE GOLD 4-12X: B5 C5 D5 E7 F5 G47
SWAROVSKI HABICT 3-12X: B9 C9 D8 E9 F10 G68
TASCO TITAN 3-12X: B5 C6 D6 E7 F4 G49
TRIJICON ACCUPOINT 2,5-10X: B8 C6 D8 E9 F8 G64
ZEISS DIAVARI Z T 3-12X: B10 C10 D10 E9 F10 G72
ZEISS VARIPOINT V 3-12X: B9 C10 D10 E9 F9 G70
ZEISS DIAVARI V 3-12X: B10 C10 D10 E9 F10 G73