Cinema Lens Calc
v2 · 2026
2.32–2.92: 1 throw7,948 lmreq. · 14.0 fL · gain 1.80
3.5DCI fL35+
Masking
Aspect ratio · sets the width
Screen height
m
Resulting size · width × height
Flat · 1.85:1
10.00 × 5.41 m
54.10 m²
1998×1080 px
Scope · 2.39:1
12.92 × 5.41 m
69.90 m²
2048×857 px
Active pixels on the 2K chip (1080 rows). Wider ratios crop the height to a centre strip and zoom it up — fewer rows, so check fine detail on scope.
Throw
m
Throw · Scope
2.32
Throw · Flat
2.92
Match a lens to the 2.32–2.92 : 1 range. Lower throw = closer projector, wider image.
Room & projector
m
m
m
Flat · 54.10 m²
4,768 lm
Scope · 69.90 m²
7,948 lm
Projector & lens17 models
Your setup needs
2.32–2.92 : 1 throw · ≥ 7,948 lm
13 of 17 shown models fit