Skip to content

Reciprocity

Fujifilm Superia X-TRA 400 long exposures

What a metered time becomes on Superia X-TRA 400, and the stops it adds — worked out from Fujifilm’s own data, never past it.

Form T-2

Your metered time

Fujifilm: no correction from 1/4000 to 2 s; open the lens +1/3 stop at 4 s, +2/3 at 16 s, +1 at 64 s

The maker’s reciprocity data ↗

Table 1

At a glance

Metered Expose for Added
1 s 1 s —

Longer times are beyond the maker’s table and are not published.

Other films with reciprocity data

Other films with reciprocity data

The reciprocity calculator ›