Orion Optics 250mm f4.8 Newtonian

Atik 460EX

4.54 micron pixels
2750 x 2200 pixels
FOV 0.6 x 0.48 degrees / 36′ x 28.8′

1×1 0.79″/pixel
2×2 1.58″/pixel
3×3 2.37″/pixel
4×4 3.16″/pixel

Canon EOS 600D

5184 x 3456 pixels
4.3 micron pixels
FOV: 1.06 x 0.71 degrees / 63.6′ x 42.6′

Altair Astro/GSO RC8 203/1624mm f/8

Atik 460EX

4.54 micron pixels
2750 x 2200 pixels
FOV 26.41′ x 21.13′

1×1 0.58″/pixel
2×2 1.15″/pixel
3×3 1.73″/pixel
4×4 2.31″/pixel

Canon EOS 600D

5184 x 3456 pixels
4.3 micron pixels
FOV: 47.3′ x 31.53′

Skywatcher 200P 200mm/1000mm f/5

Atik 460EX

4.54 micron pixels
2750 x 2200 pixels
FOV 42.92′ x 34.34′

1×1 0.94″/pixel
2×2 1.87″/pixel
3×3 2.81″/pixel
4×4 3.75″/pixel

Canon EOS 600D

5184 x 3456 pixels
4.3 micron pixels
FOV: 1.28° x 0.85°