We have received your SF order with many thanks. Unfortunately some basecurves are not available as per your order, kindly find detail as follows :-
**TVX 28SF**
- Basecurve 2.00 is not available, all basecurves are in diameter 72mm with seg 28mm.
**TVX SF SV** We have 2 series as per the attached TVX technical data. They are differed in diameter, radius and available curve.
- 1st item in TVX technical data is in dia 70mm and price is a bit cheaper than 2nd item which is blanks for Freeform surfacing.
- 2nd item in technical data is the blanks that well design for Freeform surfacing, mostly available in diameter 75mm but no Basecurve 3 as per your given order.
Kindly feel free to let us have your selection of SV blanks that fit to your lab and your revised order. If you'd like to test sample before your order confirmation, please do not hesitate to bring to our attention.
** Conventional PAL**
Kindly find our additional quote on Discovery, Discovery Xtra in 1.50 & 1.60 as attached.