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  1. koshkin

    NEW- Limited Razor 1-6

    That's a very cool version. The illumination in this is diffractive, like in the Gen3, except it is in the second focal plane. They originally developed this version at a specific request of a military customer. Very few ever went out to civilians if any. With diffractive illumination...
  2. koshkin

    Rifle Scopes Which Crossover Scope would you choose?

    Maarten told me you were there, but I never ran into you. Unfortunately, I had to run off a bit earlier on Sunday, so I did not stay for the awards. That was my first match and shooting as an amateur, I decided to just do what the pro I was paired with was doing. I ended up just doing what he...
  3. koshkin

    Rifle Scopes Which Crossover Scope would you choose?

    Good choice. 4.5-22x50 is an excellent scope for a gas gun. I have to admit I seldom dial beyond 15x and usually shoot on 12x or so, but larger exit pupil makes it notable more comfortable. If you are going to be on high mag a lot, bumping up the objective diameter is often a good idea. Oh...
  4. koshkin

    62gr ELD-VT in a 22-250

    Anyone do this experiment yet? I have a 1-8" twist 22-250, so I am considering it. ILya
  5. koshkin

    Rifle Scopes Which Crossover Scope would you choose?

    That's a pretty personal question. If the idea is to give yourself the means to extend the range, than any decent FFP scope will do that even if it is not as good optically as the Meopta R2 (Stryker is fairly close, with Tract being slightly behind). If you are just looking to have a little...
  6. koshkin

    ❓ How Can I Determine the FoV at Magnifications other than Min. and Max. Given in the Specs?

    FOV at Max Mag * Max magnification / Magnification X = FOV at Magnification X Something to keep in mind: -Min magnification is usually non-linear due to low power tunneling. -Magnification ring engravings at intermediate settings are often slightly off.
  7. koshkin

    Optic choices for $3500 and less?

    I just built a boltgun for my 13 year old daughter, but I went with a 6ARC. There is barely any recoil and she enjoys shooting it. I ended up putting a Telson 3-18x50 on it. I was not looking for a lot of magnification the scope was here for testing anyway. It turned out to be a nice and easy...
  8. koshkin

    Night Vision The Official: Steiner C35 Thermal Clip-on Review and User Thread!

    That's a silver lining indeed. ILya
  9. koshkin

    Night Vision The Official: Steiner C35 Thermal Clip-on Review and User Thread!

    Machine shop screwed up the geometry of the clamp. They are trying to figure out if it can be re-worked or if a new run of the clamps has to be made. ILya
  10. koshkin

    SAI 10 1-10

    I suppose that qualifies as consistency too. I do not remember that design having any particular issues. On the inside, it is just a normal LOW 1-6x24 except packaged to look tough. Maybe there was a particularly eggregious batch. ILya
  11. koshkin

    SOLD Revic Acura 5-25x50 and Meopta Optika LR 10x42

    BTTT
  12. koshkin

    SAI 10 1-10

    There is a lot of sample variation with diopter shift.
  13. koshkin

    Area419 - The ULTIMATE TEST - 2025 Big Boy Precision Optic Shootout

    Couldn't agree more. I think I can do Wednesday or Thursday next week. I'll send you an email. ILya
  14. koshkin

    SAI 10 1-10

    Diopter shift is a real thing with all FFP scopes. Riflescope testers we make measure it and there is a good amount of sample variation with all LPVOs I have looked at, even the very expensive ones. With higher power scopes people notice it less because the demands on the reticle are much less...
  15. koshkin

    SAI 10 1-10

    I am good to go ahead and call BS on this one. Everyone does during the development process
  16. koshkin

    Area419 - The ULTIMATE TEST - 2025 Big Boy Precision Optic Shootout

    I did several comparisons over the years that I called "High End Tactical". First few were written only. More recent ones were a mix of written word, videos and livestreams. Generally, I like to do the wrap up on these as a livestream to be able to address questions in real time. The first...
  17. koshkin

    SAI 10 1-10

    I looked at it at SHOT. Both elevation and windage are covered turrets. You can dial in a pinch, but it is really designed for holdign with the reticle. ILya
  18. koshkin

    SAI 10 1-10

    "Test beyond what others do"? What is it that they do that others do not? When you say that you want SAI to to "up their stringency", what is that you think they do not do? ILya
  19. koshkin

    SAI 10 1-10

    Armament guys generally know how to design and make a robust optic. However, until a good number of these make it out there we have no real idea. Chances are these will be as robust as anything else out there. SAI6 definitely holds up very nicely and I see no reason to expect SAI10 to be any...
  20. koshkin

    SAI 10 1-10

    More light implies a larger objective lens diameter. While a few LPVOs out there do use 28mm objectives, most, whether 30mm or 34mm tube, stick with a 24mm objective. The rest is just successful marketing. ILya
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