var RD = new L.Proj.CRS.TMS(
'EPSG:28992',
'+proj=sterea +lat_0=52.15616055555555 +lon_0=5.38763888888889
+k=0.9999079 +x_0=155000 +y_0=463000 +ellps=bessel +units=m
+towgs84=565.2369,50.0087,465.658,-0.406857330322398,0.350732676542563,-
1.8703473836068,4.0812 +no_defs',
[-285401.92,22598.08,595401.9199999999,903401.9199999999], {
resolutions: [3440.640, 1720.320, 860.160, 430.080, 215.040,
107.520, 53.760, 26.880, 13.440, 6.720, 3.360, 1.680, 0.840, 0.420]
});
var map = L.map('map',{
continuousWorld: true,
crs: RD
}).setView([52.1551862, 5.3872315], 8);
L.tileLayer('http://geodata.nationaalgeoregister.nl/tms/1.0.0/
brtachtergrondkaart/{z}/{x}/{y}.png', {
continuousWorld: true,
tms: true
}).addTo(map);