main webpage
W Topic
Large Format
Formation of Large Ordered Helium Solvation Shells Around Multiply Charged Species: He<sub><i>N</i></sub>Ho<sup>2+</sup> and He<sub><i>N</i></sub>Bi<sup>2+</sup>
2025
In this article, the results of a combined experimental and theoretical investigation which provides evidence of the existence of large well‐ordered structures of helium atoms in He N Ho 2+ and He N Bi 2+ clusters. In particular, we observe up to four shells …
Article

Large Format

Imaging format for film camera of 4×5 inches or larger

Large format refers to any imaging format of 9 cm × 12 cm (3.5 in × 4.7 in) or larger. Large format is larger than "medium format", the 6 cm × 6 cm (2.4 in × 2.4 in) or 6 cm × 9 cm (2.4 in × 3.5 in) size of Hasselblad, Mamiya, Rollei, Kowa, and Pentax cameras (using 120- and 220-roll film), and much larger than the 24 mm × 36 mm (0.94 in × 1.42 in) frame of 35 mm format.

The main advantage of a large format, film or digital, is a higher resolution at the same pixel pitch, or the same resolution with larger pixels or grains which allows each pixel to capture more light enabling exceptional low-light capture. A 4×5 inch image (12.903 mm²) has about 15 times the area, and thus 15 times the total resolution, of a 35 mm frame (864 mm²).

Exploring foci of:
Formation of Large Ordered Helium Solvation Shells Around Multiply Charged Species: He<sub><i>N</i></sub>Ho<sup>2+</sup> and He<sub><i>N</i></sub>Bi<sup>2+</sup>
2025
In this article, the results of a combined experimental and theoretical investigation which provides evidence of the existence of large well‐ordered structures of helium atoms in He N Ho 2+ and He N Bi 2+ clusters. In particular, we observe up to four shells of helium surrounding the metallic dication for He 74 Ho 2+ in a sequence from inside to outside of: an icosahedron; a dodecahedron; an icosahedron and finally an icosidodecahedron. While these results confirm our previous study for He N Ca 2+ , for He N Bi 2+…
Click Large Format Vs:
Large Panel System-Building
Banded Iron Formation
Extremely Large Telescope
Marcellus Formation