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Reciprocity

Kodak Ektachrome E100 long exposures

What a metered time becomes on Ektachrome E100, and the stops it adds — worked out from Kodak’s own data, never past it.

Form T-2

Your metered time

Kodak: no correction from 1/10,000 to 10 s; at 120 s add CC10R filtration (Kodak gives no exposure change)

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 ›