Vignetting Around the M1A2 Abrams Gunner's Sight

Before submitting a suggestion to change this in the game, I’d like to ask the community first: is the vignetting around the M1A2 Abrams’ panoramic sight an intentional feature, or is it a leftover bug from older tank sight models?
After all, the Abrams is well known for its excellent panoramic sight and outstanding visibility, so the current vignette seems rather odd.

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Below is a frame from a real M1A2 Abrams. As you can see, there is no vignetting around the edges of the sight.

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Screenshot 2026-07-29 091806

Original video with a timestamp.

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https://youtu.be/Qu6EZOtwN5Y?t=65

I would assume it’s just a left over from when the game was just WW2/ early cold war and tank sights where basically just telescopes. They have just never bothered to update it for modern tanks that use cameras and digital displays.

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The vignette is something that all sight systems has, in case you haven’t noticed by this point of obtaining a modern vehicle—I.e. top tier vehicle, there are no differences in between sight systems except their zoom values.

Nope
T-90M


T-80BVM

Oh my God, Russian bias uncovered again. Or not. That’s because T-80BVM’s and T-90M’s gunner sight is set at minimum 4.0x (more zoomed in), compared to the M1A2 Abrams in 3.0x (more zoomed out), so in the Abrams the vignette will feel larger, or more visible or taking too much space.

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That’s just from the zoom, Abrams has 2x to 10x T-90M has 4x to 12x.
It’s the same with the Type 10 with its 4x optics, it’s just how Gaijin tries to represent magnification:


TBF russian sights irl are pretty trash so the moment realistic sights come nato will have a huge advantage.


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even old M1A1 sights were better.

the gunners eyeballs have a vignette /s

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That’s because War Thunder is not a simulator, a lot of things are guessed or not worked because it won’t make any change in the game other than visual stuff. Being a realistic (“realistic”) game ≠ simulator game, games like Steel Beasts and Gunner, HEAT, PC! will provide a more accurate experience.

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Im aware, im just saying the whole idea of artificially buffing Russian tanks is very real, im not saying “russian bias” but they are pretty hand held in relation to other nations. For example, the leopards losing rear turret depression, was it necessary, most likely not yet they did it anyway.

And I’m hoping on patience for a game like War Thunder except if you remove all the issues introduced by Gaijin, which I doubt that will happen. But regardless, fair enough, things like these shouldn’t been implemented and if I’m not wrong, though I don’t have the documentation for, T-90M’s thermal should either be reduced in resolution or contrast, though the only footage were from combat environment so that won’t fit in the game either.

Even US M60A3 TTS doesn’t have this

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Something in this video tells me that reload is not exactly 5 seconds but still great optics and accurate fire.

Yeah, it’s fixed to the base zoom because gaijin is lazy… shocking I know.

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What? Reloading? I’m talking about the sight and the vignette on the sides, not reloading.

Those aren’t the gunner sight. It is the commder optics, on the thermal/nvd channel (screen).

So the Gunner and commander optics from the T-90M were both based on French componement fo the thermal imagery (Catherine FC, from Thales) since 2007. But with the Ukraine War, they had to switch to more local systems.
So every Sosna-U (gunner optic) have been changed to PNM-T, that uses a 640x512 matrix in the MWIR band, and was meant to fully replace the Sosna-U that had been mounted on most T-90M, T-90MS, T-72B3, T-80BVM and some T-90A tanks, as well as similar sights (ESSA, Plisa) that also relied on French Catherine-FC components from Thales. In photos of the T-90M from 2022, the Sosna-U is no longer present. it’s been replaced by the PNM-T, using a homemade Irbis-K thermal module from NPO Orion.
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As for the commander optic, the it is not very clear yet: Jane’s (2017 reporting) noted the laser rangefinder used by both the Sosna-U gunner’s sight and the Falcon Eye/Hawk’s Eye commander’s sight incorporated a “foreign matrix” of unknown origin , confirming the commander’s sight also had non-Russian internals, not just the gunner’s. but it sounds like they kept the same, but replaced the actual thermal imagery system by the Irbis-K.

T-90M commander optic

Proof of the change :
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from this video (link to Reddih)

Sosna-U

With thermal on :
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Day channel :

They are shown on different screens.

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Inside a T-90M turret
Little screen for the Thermal, and optical system for the day channel.

T-72B3 and other Soviet tanks older sight, the TPD K1

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So, the new T-90M Arena’s thermal imaging sight should be worse than the old T-90M’s?


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Some of the NVD sights i sent are from legacy M1A1s so just remember the thermal quality might be bad.

Leftover, all tanks have it I’m pretty sure