Boxlight · Under 3,000 lumens · XGA

Boxlight CD-850m

2,500lumens
1024×768native
1.86–2.61throw ratio
4.3 kgweight

The Boxlight CD-850m is a DLP x 1 projector rated at 2,500 lumens with a native resolution of 1024×768. It uses a 250w uhp bulb light source rated for 1,500 hours. Its lens has a throw ratio of 1.86–2.61:1. Released September 2002.

Throw distance table

Distance from lens to surface for each image width (4:3 (XGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.

Image widthHeightStandard lens
1.86–2.61:1
2 m (6.6 ft)1.5 m3.7–5.2 m
3 m (9.8 ft)2.25 m5.6–7.8 m
4 m (13.1 ft)3.0 m7.4–10.4 m
5 m (16.4 ft)3.75 m9.3–13.0 m
6 m (19.7 ft)4.5 m11.2–15.7 m
8 m (26.2 ft)6.0 m14.9–20.9 m
10 m (32.8 ft)7.5 m18.6–26.1 m
12 m (39.4 ft)9.0 m22.3–31.3 m
15 m (49.2 ft)11.25 m27.9–39.1 m
20 m (65.6 ft)15.0 m37.2–52.2 m
25 m (82.0 ft)18.75 m46.5–65.2 m
30 m (98.4 ft)22.5 m55.8–78.3 m

Open in the throw-distance calculator →

Maximum image size for projection mapping

Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.

Ambient lightMax areaMax width × height
Dark rural site (1 lux)222 m²17.2 × 12.9 m
Quiet street at night (5 lux)44 m²7.7 × 5.8 m
Lit city square (15 lux)15 m²4.4 × 3.3 m
Bright urban area (30 lux)7 m²3.1 × 2.4 m
Indoor, lights dimmed (50 lux)4 m²2.4 × 1.8 m

Full specifications

Aspect Ratio4:3 (XGA)
Audible Noise35 dB / 33 dB (Eco)
Brightness2,500 Lumens (ANSI) 1
Color Processing8-bit
Connection PanelNetwork: RJ-45
Contrast800:1 (full on/off)
Data ModesMAX 1280x1024
Digital KeystoneVertical only
Digital ZoomYes
Display TypeDLP x 1
FeaturesFCC A UL
Image Size40.00" - 200.00"
Included Lens1.4x manual zoom , manual focus
Internal Speakers2.0 Watts × 2
Lamp ModelSP-LAMP-006 Buy SP-LAMP-006 Lamp
Lens ShiftNo
Light Source250W UHP bulb
Light Source Life1,500 hours
MSRP$2,799 (USD)
Power350 Watts 100V - 240V
Projector PlacementFor a " diagonal screen, place the projector lens between 12'-5" and 17'-4" from the screen.
Projector Size4.30" x 13.80" x 12.80" (HxWxD)
ReleasedSeptember 2002
Resolution1024x768
StatusDiscontinued
Throw Distance6.9' - 24.9' Calculate Throw Distance
Throw Ratio1.86:1 - 2.61:1 (D:W)
Video ModesNo
Warranty2 Years
Weight9.4 lbs

Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.

Similar projectors

ModelLumensResolutionLight sourceThrow ratioStreet price
Boxlight BL X25NU2,5001024×768210W UHP bulb0.63:1$909
Boxlight CD-726c2,5001024×768250W VIP bulb2.08–2.45:1$1,999
Boxlight CP-775i2,5001024×768250W UHB bulb1.96–2.54:1$8,999
Boxlight MP-38t2,5001024×768200W UHP bulb1.76–2.29:1$5,199
Boxlight ProjectoWrite DX25N-U2,5001024×768230W Metal Halide bulb0.62:1$2,399
Boxlight ProjectoWrite3 X25NU2,5001024×768210W UHP bulb0.63:1$1,119
Boxlight TraveLight32,5001024×768200W SHP bulb1.9–2.2:1$999
Boxlight Boston X26N2,6001024×768240W SHP bulb1.41–1.7:1$799