Rating Portra Film

A question we get at the lab a lot is, “What should I rate my film at?” and more specifically, “How should I rate my Portra400 and Portra800?” The answer? It depends. Rating techniques vary depending on your style. To help safeguard your shadows we suggest rating film on the side of overexposure. To show Portra’s latitude, we created exposure ramps so you can determine which rating technique is best for your aesthetic! ⁠ ⁠

**Keep in mind, these results are for this particular day in this particular lighting. We encourage everyone to run exposure ramp tests in the environments they shoot in most often with their film stock of choice to see what works best for them! ⁠

Portra400

Portra400 - 60

Portra400+-+60+ers

Portra400 - 100

Portra400+-+100+er

Portra400 - 200

Portra400+-+200+ers

Portra400 - 320

Portra400+-+320+ers

Portra400 - 400

Portra400+-+400+ers

Portra400 - 600

Portra400+-+600+ers

Portra400 - 800

Portra400+-+800+ers

Portra400 - 1200

Portra400+-+1200+ers

Portra 400 ERS

Portra800

Portra800 - 100

Portra800+-+100+ers

Portra800 - 200

Portra800+-+200+ers

Portra800 - 320

Portra800+-+320+ers

Portra800 - 400

Portra800+-+400+ers

Portra800 - 600

Portra800+-+600+ers

Portra800 - 800

Portra800+-+800+ers

Portra800 - 1200

Portra800+-+1200+ers

Portra800 - 1600

Portra800+-+1600+ers

Portra800 - ers

📷: of @ihumwiththecascades by @ashley.faiman.

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