Bad optics in Sony CRX230E?

Is it true that Sony CRX 230E has worse optics than CRX225 (and original Liteon 52327s) ?

I’ve heard something about it, and my tests in KProbe showed something like that.

DVD-ROM Sony DDU1612 (Upflashed to Liteon 166s) is:

CD-RW Sony CRX230E (Upflashed to Liteon 52327s) is:

The same disk, Iced Earth “Something Wicked This Way Comes” was used. Unfortunately, I don’t have CRX225 to compare.

C2 was zero both times.