Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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Application Monitoring That Won't Slow Your App Down
AppSignal's Rust-based agent is lightweight and stable. Already running in thousands of production apps.
Full APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
A one-page calculator to tell each DoF in differect apertures.
This program is designed for phtographer who need to know different DoF in each apertures under fixed environment factors.
It is a one-page calculator. Just input the film/sensor size and focal length of lens, DoF of each different aperture will be calculated and presentated.