Unkelbach's calibration effect describes how early items in a sequence anchor rating scales, causing later items to be judged relative to them. When no objective scale exists, judges calibrate an internal system, initially avoiding extreme categories to preserve flexibility. This produces more moderate early ratings and increasingly extreme later judgments, with identical performances evaluated more positively or negatively depending on position. While previous research has primarily examined time-limited performance tasks, the present study investigated whether the effect also occurs with still photographs. An online experiment was conducted with 172 university students. Participants rated total of six photographs on a 0-100 scale. The set of six photographs consisted of one high-quality, one low-quality, and four medium-quality photographs. Photograph quality (high vs. low) was a within-participants variable, and serial position (1st, 2nd, 5th, or 6th) was manipulated between participants. ANOVA results showed a significant order effect: high-quality photographs received significantly lower ratings when judged first compared to when judged 5th or 6th. This suggests participants withheld high ratings early in the sequence to preserve judgmental flexibility. By contrast, low-quality photographs showed no calibration effect, indicating participants did not avoid the lowest end of the scale because the quality of the photograph was possibly the lowest possible. These findings demonstrate that calibration effects extend to still photographs, with their magnitude depending on the relative quality of evaluation targets.