Supporting Epson Pro G7000 And Pro L1000 Series Projectors The Epson Elplm15 Middle-Throw #2 Zoom Lens Gives Users Remarkable Positioning Flexibility. With A Zoom Ratio From 1.0 To 1.6X An F-Number From 1.8 To 2.35 And A Focal Length From 36.0 Mm To 57.4 Mm This Lens Easily Adapts To Many Applications.NN- Interchangeable Works With Pro G7000 Series And Pro L1000 Series ProjectorsN- Powered Zoom 1.0 To 1.6X Zoom RatioN- 4:3 Throw Ratio 1.62 2.65 For Pro L1500 And 1700 Series Projectors 2.59 4.18 For Pro G7000 Series Projectors And The Pro L1100u L1200u L1300u And L1405uN- 16:10 And 16:9 Throw Ratio 1.57 2.56 For Pro L1500 And 1700 Series Projectors 2.16 3.48 For Pro G7000 Series Projectors And The Pro L1100u L1200u L1300u And L1405uN- F-Number 1.8 2.35N- Focal Length 36.0Mm 57.4Mm