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Yukon Photon rangefinding

Discussion in 'Night Vision Optics and Illumination' started by Nexus180, Aug 30, 2014.

  1. Nexus180

    Nexus180 Engaging Member

    Messages:
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    Location:
    Hampshire
    Hi all - just thought I'd share with anyone struggling (like I have been!) with accurate range finding at night with a Yukon Photon how I am currently doing it with some success. I shoot with a .177 HW100 at night with the Photon without doubler. Over the past 8months or so I have trawled the forums and tried most of the suggested methods of rangefinding, but the method I've had most success with is to simply leave the day filter that comes with the Photon on at night - if I use an attached T20 IR torch with a 960nM (or is that 980?) pill in it, with the torch on the highest setting (mine has a pressure pad switch attached with 3 adjustable power settings) I have found that I can see through the Photon where the range of the IR torch "stops" as I look out over a field. With this set up the IR torchlight suddenly fades noticeably at around 25m - so if the rabbit is just on the edge of the torchlight I know it is around 25m (and I aim dead-on as my scope is zeroed at 25m). If rabbit is not clear through Photon and appears just beyond the torchlight I know he is over 25m (and I usually try to move closer). If he is well within the torchlight and very well lit up I know he's closer than 25m. Not rocket science but this approach is working for me - since using it I have seen 6 rabbits in the field and have had 6 head shots.

    Hope this might help anyone else struggling with Photon rangefinding - and if anyone has any better idea I am all ears.

    Cheers
     
  2. ratman60

    ratman60 Pro Poster

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    hello, it will be okay for those with good eye sight but i find having as you zeroed to 25mtrs and put on a front cap with 25mm hole giving better clarity, and only using the units IR i then use the hold over/under way of shooting. so you either kill or miss, the latter quite often:rolleyes:
     
  3. dave goodall

    dave goodall Donator

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    Location:
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    The 850 ir pill suits the photon alot better than 940 u will get lot further range as fr range finding most struggle with this at first only experiance can cure this and lads can still struggle or i do when shooting over 30 yards only rel way is with practise and experiance

    Your point is a good example but your photon is only giving a fraction of its perfomance up to what it could be giving u one method i tried was with a laser red dot as over diff ranges the red dot moves around your ret but again only practise will help given we only get 3 good months fornv use ts very time consumin i have read threads where lads convet there laser rangefinders to work at night by adding it to there spotter builds wont be long till nightvision units are availible with range finding abilitys i rekon lie the bushnel scope with range finder built in atvb dave
     
    Last edited: Aug 30, 2014
  4. keithy

    keithy Very Active

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    Location:
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    Hi thanks for the info the only thing I can add is on my perm the rabbits are out in the same areas every night so if you go in daylight with a laser range finder and note distances to (that tree) (that clump of nettles) etc then it helps to give a distance map of the immediate area. I am currently using a very high power Nightmaster 400 ir which floods the field with ir and lights up more of the surrounding area in effect daylight:rolleyes: which is currently helping me plus you can see other rabbits currently out of range to stalk up to.:)
     
  5. Nexus180

    Nexus180 Engaging Member

    Messages:
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    Location:
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    Thanks for replies. I have tried using my laser range finder at night - and it does show up on the Photon (as a flash), but my RF is not illuminated and it is really hard to get a light behind it to read the range before the display goes off - and also at least 50% of the time at night, for some reason it gives me no reading (works every time in daylight). I started out using the 850 pill and yes, it gives much better range than the 940, but it spooked my rabbits - so I changed to the 940 and they will sit there all day long; without the day filter on I could easily scan fields out to 100m with the 940 and would get clear eye shine back; with the day filter on I'd say I can still scan fields for eye shine out to 60m odd - and then stalk in. I also found the clarity of the image much better with either the day filter or a home made "iris" of about 20mm. I have also done the old rangefinding during the day to the warrens, then sitting in my camo pop-up tent; works v well indeed as u obviously then don't need to range find at all and bunnies are oblivious
     
  6. rabbitraider1

    rabbitraider1 Engaging Member

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    Location:
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    Has anyone tried using a laser range finder with a very small light source infront of the objective lens to light up the display or alongside a weak torch?
    I'm tempted to try it next time I go out I was just wondering if any one has any experience?
    The main problems I can see is using a weak torch to spot removes a lot of the point of using NV and lighting up the objective lens could ruin your eyes night vision (but I find the photon does that anyway)
     
  7. keithy

    keithy Very Active

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    Yukon range finder

    The MTC range finder has an illuminated display which can be dimmed just like an IR scope although the instructions dont tell you how to do it:rolleyes: have tried it with only moderate success as you can range bushes etc but unfortunately you cant see the rabbit your after. Its a lot of messing and the rabbits dont always sit there while you are sorting it out.:D
     
  8. dave goodall

    dave goodall Donator

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    Location:
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    As i say u can add a camera to the range finder with ir and make a night use range finder but bulky and pricey best checking the nv forum
     
  9. rabbitraider1

    rabbitraider1 Engaging Member

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    Location:
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    Ahh brilliant I will check that out thanks Dave,
    Hopefully one will come out soon ready made.
    ATB
    Tom
     

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