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Sweden Twilight Scope Test |
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Gunshow75
Optics Apprentice Joined: December/23/2004 Location: Kentucky, USA Status: Offline Points: 209 |
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Posted: August/06/2008 at 13:06 |
A Swedish(?) magazine named VAPEN published the following information about several rifle scopes in 2004. A friend, a Swedish mathematician, interpreted the headings on the results chart for me. I don't recall having seen the information on this forum and thought it might be of interest the some of you. The chart headings were:
Synfält = field of vision (large diameter -> higher points) Ögonavstånd = distance from the scope to the eye (large distance -> high points) Tubseende = tube vision (little or no tube vision effect -> high points) Ergonomi = ergonomics (easy to handle and adjust -> high points) Riktmedelsjustering = accuracy and range for calibration of the scope (high accuracy + large range -> high points) Träfflägesförändring = target distance change; ease of estimating the distace to the target. (highest points to all tested scopes) Skärpa/upplösning = clarity/resolution Färg/kontrast = Color/contrast Motljusegenskaper = against the light character (i.e.. how good the scope works when you are aiming towards the light source; bright light and twilight) Ljustransmission = light transmission (9=90_95%, 8=85_90%, 7=80_85%, etc) Skymningsegenskaper = twilight characters visible. I apologize for the poor alignment of the data. I sorted the data in order of the number of characters seen in twilight: The Scope Sy Og Tu Er Rl Tr S/u F/k Mo Lj Sk Zeiss Diavari V (3x12,56) : 3 2 4 6 4+2 = 6 3 10 10 5+5 = 10 9 10 Zeiss DiavariZ T* (3x12,56) : 3 2 3 6 4+2 = 6 3 10 10 5+5 = 10 9 10 Nickel Gerhart (3x12,56) : 3 2 3 6 4+2 = 6 3 9 8 4+4 = 8 9 9 S&B (2.5x10,56) : 3 2 3 6 4+2 = 6 3 9 8 5+3 = 8 9 9 S&B Zenith(2.5x10,56) : 3 2 3 6 4+2 = 6 3 7 8 5+4 = 9 9 9 Zeiss Varipoint V (3x12,56): 3 2 3 6 4+2 = 6 3 9 10 5+5 = 10 9 9 Trijican Accupoint (2.5x10,56): 3 2 4 6 4+3 = 7 3 8 6 4+4 = 8 9 8 Kahles CB(3x12,56): 3 2 3 6 4+2 = 6 3 6 8 4+4 = 8 9 8 Burris FF II (3.5x10,50): 3 2 3 2 4+2 = 6 3 10 7 4+2 = 6 9 7 Swarovsk Habicht (2.5x10,56):3 2 3 6 4+2 = 6 3 9 9 4+3 = 7 9 7 Micro Dot (2.5x10,56): 2 2 3 6 4+3 = 7 3 7 6 4+3 = 7 8 7 Meopta artemia 3K(3x12,56): 3 2 3 5 4+2 = 6 3 7 7 4+3 = 7 7 7 Docter (3x12,56): 3 1 3 6 4+2 = 6 3 7 8 4+4 = 8 8 7 Nightforce NP 1 (3.5x15,56): 2 2 2 5 4+3 = 7 3 9 6 4+5 = 9 8 7 Leupold Vari X-III (3.5x10,50): 3 &nbs |
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Tom |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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So where the tests done with a machine or just with the magazine writers eyes/opinions?
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
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Roy Finn
MODERATOR Steiner Junkie Joined: April/05/2004 Location: United States Status: Offline Points: 4856 |
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Find it hard to believe that a Burris FF2 is where it is in that pack of scopes.
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cheaptrick
MODERATOR Joined: September/27/2004 Location: South Carolina Status: Offline Points: 20844 |
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No doubt!!!
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If at first you don't secede...try..try again.
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Roy Finn
MODERATOR Steiner Junkie Joined: April/05/2004 Location: United States Status: Offline Points: 4856 |
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I think after reading the chart I have to e checked for vertigo...
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Gunshow75
Optics Apprentice Joined: December/23/2004 Location: Kentucky, USA Status: Offline Points: 209 |
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Aerotech Telub lab did the scientific testing using a spectrophotometer, lamps with broad spectral characteristics, light meters, etc. It was a lab test for riflescopes suitable for hunting. The test was intended to evaluate scopes for hunting in dark, autumn evenings. The scopes were tested for field of view, eye relief, "tube effect", ergonomics, click adjustment accuracy, impact change with change of magnification, sharpness and contrast, light transmission, effectiveness of anti-reflective coatings, and for twilight performance. Scoring followed the following guidelines: Field of view at 100m Eye relief 0-5m 0 points 0-6cm 0 points 5-6m 1 point 6-8cm 1 point 6-7m 2 points 8-10 2 points 7m+ 3 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 Ergonomics 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 More than 5cm - 0 points From 5cm to 1 cm - 1 point From 0 to 1cm - 2points No change - 3points Resolution and contrast Measured under field conditions: can/cannot see various targets, details and colors under equal lighting conditions and settings Resolution 0-5 points Contrast 0-5 points Anti-reflective coatings Measured under equal conditions and settings with the light source facing the objective lens. Lenses Unable 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 color: 4 points Sight picture not affected: 5 points Reticle Not able to use the reticle: 0 points Severe shadows and reflected light on it: 1 point Shadows and some reflected light on it: 2 points A little shiny: 3 points Sharp but mis-colored: 4 points Sharp and black: 5 points Light transmission was measured at 500-550 nm (twilight) Note that some scopes can transmit other wavelengths of 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 was progressively reduced and scopes were excluded when it was no longer possible to determine target/crosshairs. Lighted reticules were not used. Scopes were evaluated at all magnifications. Scopes were given 0 to 10 points according to how many characters (0-10) could be seen. |
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Tom |
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Gunshow75
Optics Apprentice Joined: December/23/2004 Location: Kentucky, USA Status: Offline Points: 209 |
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The test was done in 2004. They scored miserably on ergonomics, but not badly on other things. Their anti-reflective coatings appear to leave something to be desired given that they only received a 4+2 instead of a 4+4. |
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Tom |
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cheaptrick
MODERATOR Joined: September/27/2004 Location: South Carolina Status: Offline Points: 20844 |
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Tom, thank you for posting this for us all.
It's appreciated, but it will be scrutinized by the locals here. These types of charts ALWAYS are.
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If at first you don't secede...try..try again.
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Gunshow75
Optics Apprentice Joined: December/23/2004 Location: Kentucky, USA Status: Offline Points: 209 |
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You are welcome. I can't vouch safe the posting because I can not read Swedish, but I think it is correct. I hope that the data are evaluated for accuracy and things that are incorrect be corrected. These are the kinds of data that help us make informed decisions. |
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Tom |
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Gunshow75
Optics Apprentice Joined: December/23/2004 Location: Kentucky, USA Status: Offline Points: 209 |
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Look on the bright side: If it is severe enough, since you won't be able to stand or walk, you can just enjoy the forum for an extended period. |
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Tom |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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That ought to be a pretty good test then if they done it on a machine. That is cool, I was hoping it was.
The BUrris surprised me too, but Chris has said the old Burris scopes were much better. Thanks for posting that, we ought to post all that info on a stick page a long with the SWFA scale. The more of those we have the better decisions we can make. |
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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3_tens
Optics Jedi Master Joined: January/08/2007 Location: Oklahoma Status: Offline Points: 7853 |
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As long as you stay away from the 3-9 and the short mag Burris has good glass to my eyes. My 4.5-14 FFII is just barley under my 3-9 zeiss and much better than either of my vxIII Leupolds.
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Folks ain't got a sense of humor no more. They don't laugh they just get sore.
Need to follow the rules. Just hard to determine which set of rules to follow Now the rules have changed again. |
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