Tell me the lens zoom for aperture of model s2600
CREATE TABLE "style_series" (
  "model" text,
  "sensor_res_size" text,
  "lens_35mmequiv_zoom_aperture" text,
  "screen_size_pixels" text,
  "dimensions_w_h_d_mm" text,
  "weight" text
);
SELECT "lens_35mmequiv_zoom_aperture" FROM "style_series" WHERE "model"='s2600';