Optical camera lens assembly

An optical camera lens assembly, comprising:

• an imaging lens group, along an optical axis from an object side to an image side sequentially comprising:
• a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, wherein at least one of the first lens to the fourth lens has a negative refractive power;
• a plurality of spacing elements, comprising a first spacing element disposed on an image-side surface of the first lens and a second spacing element disposed on an image-side surface of the second lens;
• and
• a lens barrel, for accommodating the imaging lens group and the plurality of spacing elements;
• wherein, a radius of curvature R1 of an object-side surface of the first lens, a radius of curvature R2 of the image-side surface of the first lens, and a radius of curvature R3 of an object-side surface of the second lens satisfy:
• R2/R3>R1/R2>0;
• and
• an inner diameter d1s of an object-side surface of the first spacing element, a center thickness CT1 of the first lens on the optical axis, an outer diameter D2m of an image-side surface of the second spacing element, and an air spacing T23 on the optical axis between the second lens and the third lens satisfy:
• 9<d1s/CT1+D2m/T23<26,
• wherein the plurality of spacing elements further comprise a third spacing element disposed on an image-side surface of the third lens, a fourth spacing element disposed on an image-side surface of the fourth lens, and a fifth spacing element disposed on an image-side surface of the fifth lens, wherein,
• a spacing distance EP34 between the third spacing element and the fourth spacing element along the optical axis, an air spacing T34 on the optical axis between the third lens and the fourth lens, a maximal thickness CP5 of the fifth spacing element along the optical axis, and an air spacing T56 between the fifth lens and the sixth lens on the optical axis satisfy:
• 7<EP34/T34+CP5/T56<10.5.