That is, 31.7 mas and 64.8 mas, respectively. I get that. Due to atmospheric distortion, 1 arcsec resolution from terrestrial observatories is considered about the best optical telescopes can achieve in the visual part of the spectrum.

The full moon appears about 1800 arcsec in diameter as seen from earth

Imaging: 0.0317 arcsec/pixel, λ 2.5µm R=100: 0.0648 arcsec/pixel

What are the capabilities of NIRCam?
The Near-Infrared Camera (NIRCam) provides filter imaging in the 0.6 to 5.0 micron range. With a dichroic splitting the light at 2.4 microns, NIRCam provides simultaneous imaging of a 2.2 by 4.4 arcmin2 field of view in two filters. The short wavelength channel contains eight 2048 by 2048 pixel detectors with 32 milliarcsec pixels, and the long wavelength channel contains two 2048 by 2048 pixel HgCdTe detectors with 65 milliarcsec pixels. NIRCam contains 7 broad-band filters, 12 medium-band filters, several narrow-band filters and long wavelength slitless grisms. It contains the weak lenses and other hardware that will be used for wavefront sensing for the telescope. NIRCam contains a coronagraphic capability. NIRCam broad-band imaging will reach 11.4 nJy (AB=28.8) point-source detection at 2.0 microns, 10 sigma in 10,000 seconds.

Edit: the adjustment is made with the secondary mirror on a Schmidt-Cassegrain.

If you own a telescope, look at any bright star at high power and you will see the diffraction spikes (in a reflector) or the diffraction rings (in a refractor).

As far as reposting goes, that’s ER’s call.

https://www.habitablezone.com/2022/02/27/diffraction-spikes/