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Short-throw

Panasonic PT-TW351R

Fixed lens, no zoom

Throw Distance

0.46 : 1

Throw Ratio (fixed)

Aspect Ratio 16 : 10 — WXGA

Throw Ratio 0.46 : 1

80^"

172 cm

108 cm

Screen Brightness

—

OPTIMAL DISTANCE

Comfortable viewing in dim lighting

Short-throw Optics

Fixed lens 0.46:1, no optical zoom or lens shift. Delivers 80″ from just ~0.8 m away — the projector sits almost right under the screen, so a presenter's shadow never falls on the image. Image size is adjusted only by distance.

Distance from projector to screen

0.80m

0.5 m

0.75 m

1.0 m

1.25 m

1.5 m

Panasonic PT-TW351R projector — used, 355 hours of operation

$450

In stock

Select projector lamp hours:

355

Panasonic PT-TW351R — EXCELLENT 9/10 ▪ HOUSING AND OPTICS: minor signs of use visible only up close, no chips or cracks; optics in working condition ▪ LAMP OPERATION: 355/5,000 h at full brightness · 7% used · ~4,600 h remaining · ~9,600 h remaining in Eco mode ▪ CALCULATION: watching a film daily (1.5 h × 365 days), the current lamp resource will last another ~8 years at full brightness or ~17 years in Eco mode ▪ REPLACEMENT: once the resource is used up, the lamp is replaced by the user in a few minutes — a compatible lamp costs ~$30-35, an original ~$120. Replace it and the projector keeps working ▪ ENGINEER REPORT: the unit passed a technical inspection by a KINOSTUDIA TUT engineer — no dead pixels found, image even across the whole field, colours stable, fans run without unusual noise, cooling temperature normal, all ports tested and working, no operational defects detected ▪ PACKAGE: projector, remote control, power cable.

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Features

Original Retail Price, USD $ Launch priceUSD What the projector cost new when it first shipped Classa high launch price meant serious materials and optics (Japanese makers didn't build cheap models) Todaythe same model — 85–90% cheaper You pay for professional optics and reliability, not for a new box.	1189.00
Brand Brandmaker Why the name on the chassis matters Opticsa known brand means serious glass optics and quality control Repairlamps, parts and drivers are actually findable — it lasts for years No-namea nameless LED: no spare parts, no support, no documentation	Panasonic
Key Specifications	3300 lm, WXGA, 3LCD, 37 dB, 3.9 kg
Connectivity & Ports	HDMI, VGA, USB, LAN, RS-232, Audio, RCA, S-Video
Key Features	Built-in speakers, Remote control, Keystone correction, Interactive control (pen)
Recommended Use	For schools and universities, Installation, For presentations, Interactive
Features & Capabilities	Interactive control (pen); Blackboard mode; Daylight View Lite; Network control (LAN)
Tags	with USB, interactive, short throw, with LAN, with built-in speakers
Dimensions & Form Factor Dimensionsweight How portable or stationary the projector is Portable up to 2 kgfits in a backpack, take it anywhere Small 2–4 kgeasy to move between rooms Medium 4–7 kgstationary at home, moved occasionally Large 7–14 kgpermanent home cinema Installation 14 kg+ceiling mount, large halls	Small (2-4 kg)
Dimensions (WxHxD)	335x134x329 mm
Release Year Release yearmodel's launch year When the model reached the market Slow cycleprojectors update more slowly than phones, PCs and TVs — it's a niche category, generations change less often Age ≠ wearoptics and the panel don't age with time the way electronics do So the year isn't critical here: a model a few years old stays relevant and gives the same image it did at launch.	2017
Brand Country Brand countryengineering school Who develops the projector's technology, and where Japan› Home of key imaging tech — 3LCD and liquid-crystal micro-panels. World-class precision glass optics. For decades, the benchmark for reliable optics and mechanics. USA› Birthplace of DLP — micro-mirror chips (millions of mirrors steer the light). A school of systems for digital cinema and large installations. Belgium› A narrow but powerful school of professional systems: digital cinema, simulators, the brightest projectors for large venues. Taiwan› A strong electronics industry. Efficient, consistent production of consumer- and business-class DLP projectors at an affordable price. Brand country is the engineering school. A given unit may be assembled elsewhere — see the "Made in" field.	Japan
Made in Made inassembly country Where this unit was physically assembled Not the branda Japanese brand is often assembled at its own plants in Japan, the Philippines, Malaysia or Taiwan — this is standard practice Same qualitythe plant doesn't affect the image: optics, panel and QC follow the brand's standard The assembly country of a specific unit is printed on its rating label.	Japan
Brightness (ANSI Lumens) BrightnessANSI lumens How much light the projector outputs 1000–2000 dark room only 3000–4000 daytime with curtains drawn 5000+ visible even in daylight	3300
Color Brightness (CLO), lm Color brightnessCLO, lumens How bright the colors themselves are, not just white Color = ANSIequal figures signal 3LCD: colors don't fade, red stays red even in daylight Gapcolor below ANSI — white is bright, colors are dimmer (seen on single-chip DLP) Look at color brightness, not just the "lumens" figure on the box — it shows the real image more honestly.	3300
Native Resolution Resolutionpixels How many dots make up the image XGA 1024×768for presentations WXGA 1280×800basic home cinema Full HD 1920×1080games and Blu-ray WUXGA 1920×1200for computer work 4K 3840×2160barely visible <150″	1280x800 \| WXGA
Contrast Ratio Contrast ratioX:1 How black the black on screen really is In plain words it's about dark scenes in films. High contrast — the night sky is black and deep. Low — it looks grey The big number is marketing "1,000,000:1" on the box sounds great, but it's just a trick: in dark frames the projector dims its own lamp. It doesn't give a better picture What matters is a dark room dim the room with curtains and black will be black on any projector. Light in the room ruins the picture — no high contrast will save it In short: don't chase the number on the box. In a dark room the difference between "20,000:1" and "a million:1" is barely visible to the eye.	16 000:1
Supported Input Resolution Input signalwhat video the projector accepts What video quality you can send to the projector Acceptsunderstands modern video (Full HD, 4K). Plug in a laptop, PlayStation or TV stick — and the image just appears Showsfits the picture to its own sharpness. On-screen sharpness is whatever the projector's panel delivers You can send 4K, but the picture won't get sharper than the panel — sharpness is set by "Resolution".	1920x1200
Aspect Ratio Aspect ratioframe shape The shape of the projector's image 16:9for video and gaming: PlayStation, Xbox, TV sticks, films and series 16:10movies and games too, plus professional work: the MacBook and laptop shape, handy for documents and presentations 4:3nearly square — the most vertical room: documents and spreadsheets, a chessboard, artists' compositions, simulators This is the projector's native shape. Video in another format will show with black bars at the edges.	16:10
Keystone Correction Keystone correctionkeystone Squares up the image when the projector sits at an angle Verticalfixes an up/down tilt when the projector sits below or above the screen. Comes manual and auto (senses the angle itself) Horizontalfixes a sideways offset when the projector sits off to the side, not centered 4 cornerseach corner moves on its own — the most precise fit to the screen at an awkward angle This is a digital fix — it eats into sharpness a little. If the projector is merely offset (sideways or in height) rather than tilted, use Lens Shift instead (an optical lens shift, no loss of sharpness) where available. Keep keystone for a genuine tilt.	Вертикальна, Horizontal
Projection Type	Ultra-short throw, Short throw
Focus Type Throw ratiothrow ratio Distance to screen ÷ image width. Lower number — closer to the wall Short throwup to 0.8 — a big image from a short distance, handy in a tight room Versatile0.8–1.3 — the sweet spot, fits most rooms Standard1.3–2.0 — placed in the middle of the room, the most common class Long throw2.0 and up — for large halls, placed far away at the back Work out the exact distance for your screen with the Projection Calculator on the site.	Ultra Short Throw (up to 0.8)
Zoom Type	Fixed
Display Technology Panel typetechnology How the projector draws the image DLPdeep blacks, sometimes a "rainbow" flash 3LCDbright natural colors, no "rainbow" LCOS SXRD · D-ILAdeep blacks and natural colors SXRD is Sony's LCOS, D-ILA is JVC's	3LCD
Light Source Light sourcelamp type What produces the light inside the projector Lamp (UHP · NSH · P-VIP) bright and inexpensive, easy to replace yourself. Life mostly ~5,000 h, up to 10,000–15,000 on some models. More natural color. Makers: Philips, Osram, Ushio Laser (LASER) a solid-state module, nothing to replace. 20,000 h is the warranty figure; real life reaches up to 40,000. Turns on at full power right away LED (LED) brightness is several times lower than lamp or laser. That's why LED is often used in portable, battery models — enough light only for a dark room Any source is fine for a dark room. For a bright one, brightness (ANSI lumens) matters more than the type itself.	Xenon
Lamp Type Light source typelight source Which light-source architecture the projector uses UHP — Philips ultra-high-pressure lamp, the most common UHE — Epson lamp, a close analog of UHP P-VIP — Philips lamp (Video Projection) NSH — Ushio lamp of the same class OSRAM — lamp made by Osram (a brand) HCX — high-contrast xenon lamp LASER — solid-state laser LED — dimmer but energy-efficient; for small screens or dark rooms	UHM \| Ultra High-pressure Mercury
Lamp Part Number Lamp codeorder number The exact lamp name for this specific projector Find itwhen the lamp eventually dims, type this number into a search and buy the exact same one Swap iton most projectors the lamp swaps out easily — open the cover, pull the old one, slot the new one in. No technician needed Laser and LED projectors have no lamp code — there's nothing to replace.	ET-LAL500
Color Depth Color depthbits How smooth the color transitions are 6-bit 262Kbanding on gradients (sky in "steps") 8-bit 16.7Mnatural, smooth transitions 10-bit 1.07Bsmoothest gradients, HDR cinema	8-bit (16.7 million colors)
Lamp Life (Normal) Lamp life (Normal)hours How long the lamp runs at full brightness Guide5000 h ≈ 5 years (≈2.7 h/day) Replacethe lamp is easy to swap yourself — the projector lives on	5000
Lamp Life (Eco) Lamp life (Eco)hours Lower brightness — longer lamp life Guide10,000 h ≈ 10 years (≈2.7 h/day) Wearat lower power the lamp degrades more slowly Quietercooling fans run quieter	10000
Throw Distance (m)	0.5
Distance Range (m)	0.5 - 1.0
Screen Size (m)	1.3 - 2.5
Connectivity Interfacesinputs / outputs What to connect to the projector and how Digital› HDMI — the main port: laptop, PS/Xbox, TV stick, video+audio over one cable. HDMI ×2 — two sources; MHL powers a connected stick. DisplayPort — same, from the PC side. Analog› VGA / D-Sub — older PCs, video only. DVI — digital on older PCs. Composite (RCA) and S-Video — DVD, VHS, retro consoles. For compatibility with legacy gear. Audio› Audio in (3.5 mm / RCA) — sound to the projector's speakers. Audio out — to external speakers or a receiver (the built-in speaker is always weak). Mic — presentations, karaoke. Control & network› USB — powers a stick / reads a flash drive (role per spec sheet). RS-232, LAN — control and automation. 12V trigger — auto-drops the screen. HDBaseT, SDI, BNC — installations. Wi-Fi/BT — wireless casting. For home, HDMI (ideally ×2) + an audio out to speakers is enough.	USB ×2, VGA ×2 + VGA out, Composite, RS-232C, Audio In ×3 + Out, HDMI, LAN/RJ-45, S-Video
HDMI Ports HDMI portsinputs What several HDMI inputs give you over just one Several devices at once laptop, PlayStation, TV stick and PC plugged in together — switch with the remote, no re-plugging Picture-in-picture some models show two sources on screen at once — a film and a camera, say. Not on every model Port flexibility ports differ: one is newer, with 4K and protected video (Netflix, Blu-ray), another has ARC for sound to a soundbar Spare input if one port wears out over time, a working one remains — useful on gear that's already seen use	1
USB Ports USB portscount What USB ports are for on a projector Power the port runs a TV stick, Chromecast or dongle — no separate outlet, powered straight from the projector Straight from a flash drive some models show photos, video or PDFs straight off a flash drive — no computer. Not on every model Service and updates USB connects the projector to a computer for setup or firmware updates USB on a projector varies: one port is power only, another reads a flash drive. What a port can do depends on the model.	2
Wireless Connectivity Wireless featuresBluetooth · Wi-Fi What you can connect without a cable Bluetooth it's about sound: connect a wireless speaker or headphones. Bluetooth doesn't carry the picture — audio only Built-in Wi-Fi mirrors a phone or laptop screen without a cable, and on Smart models — streams directly (YouTube, Netflix) with no box Wi-Fi via a stick no built-in Wi-Fi? A stick in the HDMI port (Chromecast, Fire Stick) adds wireless to any projector The cheapest fix is a receiver dongle in HDMI: plug it in, add USB power, and a phone casts to any projector without a cable.	None
Key Features	SoundMax \| Integrated audio drivers, PC-Free \| Standalone playback, TouchBoard \| Interactive surface control, EcoSave \| Energy efficiency control
Speaker Power, W Speaker outputW total How loud the projector's built-in speaker is Up to 5 Wspeech and background video are audible in a quiet room — fine for watching solo 10–16 Wloud enough for a whole room, comfortable for company and movie nights Stereotwo speakers give wider, fuller sound than one — better separation of voice and music Even stereo in a projector means compact speakers. For true cinematic immersion with deep bass, it's still worth adding external audio: a speaker, soundbar or receiver.	10
Additional Features Extra featurescapabilities What the projector can do, grouped by purpose Optics & lens› Motorized zoom and focus (from the remote), interchangeable lenses for different rooms, glass optics, a sealed dust-protected path, and a dynamic iris for deeper blacks. Geometry & mounting› Aligning the image to the mounting angle: corner and shape correction, portrait and rear projection. For installs — edge blending of several projectors and mapping onto uneven surfaces. Color› Accurate color and calibration to a reference — so on-screen colors match the intent, not the projector's guesswork. Matters for cinema and graphics work. Image & entertainment› Picture-in-picture and split screen, game mode (lower lag), a built-in media player, audio output, and wireless casting from a phone. Control & integration› Network control, HDBaseT (signal up to 100 m), screen daisy-chaining, smart-room integration (Crestron), password lock. DICOM Sim. — a mode for viewing medical images (simulation, not diagnostics). Operation› Fast cooling (switch off and carry it right away), quick lamp swap without disassembly, dust protection for a longer optics life. The feature set depends on the model — check the specs of the specific unit.	GeoCorrect \| Geometric correction, Blackboard \| Color correction mode, DaylightView \| Ambient light adjustment
3D Glasses Compatible 3D glasses3D technology Which glasses work with this projector DLP Link the glasses pick up the signal straight from the projector's image — no separate emitter needed. Includes 60 / 120 / 144 Hz RF / Bluetooth synced by radio through a separate emitter — steadier. Includes Sony BT, Epson RF, Optoma RF, Nvidia 3D Vision The key thing: the glasses must match the projector's technology — DLP Link won't work with RF and vice versa. Specific models (ELPGS03, TDG-BT500, DGD5, etc.) are just branded glasses for one of these two technologies.	3D not supported
Dust Resistance Dust protectionprotecting the optics from dust How well the projector is sealed against dust inside IP5X dust-protected a little dust gets in, but not enough to affect operation IP6X dust-tight no dust gets in at all — the top level on the international scale Filter-free build the optics are sealed — no filter to clean or replace at all. Typical of laser models Removable filter pull it out, shake it out or rinse under the tap, dry and put it back. Replacement inserts are easy to find on AliExpress	Removable dust filter
Filter Part Number Filter codeorder number The exact dust filter name for this projector Find itif the filter clogs for good, type this number into a search and buy a new one — often on AliExpress, Temu and local shops Clean itusually a vacuum or a rinse under water, then dry and put it back. A new one is only needed if it's clogged beyond cleaning Cleaning the filter yourself takes a few minutes — far cheaper than sending the projector out for a service clean.	Removable dust filter (side-accessed, up to 10,000 h)
Noise Level, dB (Normal) Noise level (Normal)dB How audible the projector is at full brightness 28–31 dBa soft whisper, won't disturb the film 32–36 dBa steady hum, heard in quiet moments 37–42 dBa noticeable hum, better for daytime viewing For reference: a fridge ≈40 dB, a laptop under load ≈45 dB	37
Noise Level, dB (Eco) Noise level (Eco)dB How audible the projector is in quiet mode 22–26 dBrustling leaves, barely audible 27–30 dBa soft whisper in the room 31–35 dBnoticeable only in complete silence For reference: a fridge ≈40 dB, a laptop under load ≈45 dB	28
Power Consumption, W Power drawW How much electricity the projector uses 30–100 Wportable LED: efficient, cordless — but dim in daylight 200–350 Wlamp-based for home: bright light for everyday use 400+ Wlaser/xenon: maximum light, visible even in daylight	300
Mounting Type	Wall Mount, Ceiling Mount, Desktop
Mount Part Number Mount codeorder number The part number of a mount compatible with this projector Find ituse this number to buy a ready mount for your projector — on AliExpress, Temu and local shops Install itscrews into the threaded holes on the projector's underside; the arms adjust for height and tilt A mount is a separate accessory, usually universal: any one rated for the projector's weight and hole pattern will fit. The code is simply a proven compatible option.	Universal ceiling/wall mount
Width, mm Widthcm Horizontal size of the body — how much shelf space it takes up to 30 cmcompact, easy to move or tuck away 40–50+ cma larger body — room for better cooling and optics	335
Depth, mm Depthcm Front-to-back size, including the lens up to 25 cmfits easily on a shelf or cabinet 35–45 cmpowerful models — a deeper body for better cooling	329
Height, mm Heightcm From the table to the top cover 10–15 cmlow profile, tucks under a shelf 20 cm and morea larger lens and stronger cooling	134
Weight, kg Weightkg What a heavier, more serious body gives you Coolinga bigger body — better heat dissipation, less overheating Opticsroom for quality glass optics, not a plastic lens Bodymetal and sturdy materials, not thin plastic Longevitystable temperature protects the lamp or laser	3.9
Package Contents In the boxwhat's included What you get together with the projector Projector tested, in working order — the main thing you're here for Remote + batteries a copy of the original, but works fine; batteries included Power cable + adapter the plug is foreign (British or American, depending on the country), so a plug adapter for a European socket is included Box and papers the original box, bag and papers are usually absent. If they're present, it's noted in the description	Projector, remote control, power cable, VGA cable
Warranty Warranty90 days How we stand behind the projector after purchase 90-day warranty if anything goes wrong with how the projector runs in that time, we'll sort it out — repair or replace Online payment — same terms card, installments or acquiring, payment to the sole proprietor — the 90-day warranty applies the same for any method Swap within 14 days if the projector doesn't suit you, you can swap it for another within 14 days — condition and appearance kept intact Pickup with no deposit pickup in Lviv or Nova Poshta delivery with no prepayment — you inspect it before paying Every projector is tested before sale. We sell professional gear, not throwaway kit — so we stand behind what we sell.	3 months
Service & Spare Parts Service & partsrepairability Why a Japanese projector stays in service for years Standard modules built from known modules — the panel, optical block, boards, fans. Not one sealed chip, but parts you can source and replace Replaceable light source a lamp swaps out by code yourself, a laser lasts tens of thousands of hours. Either way, not a "disposable" soldered LED Repaired anywhere any technician will take it on, even in a small town — wherever computers and consumer electronics get fixed. The case opens up, donors are plentiful A cheap Chinese projector can't be fixed like this: the LED and the "brain" are soldered to the board, with no parts or schematics — official Xiaomi, XGIMI and Hisense service centers turn it away. And even if the unit still runs, within a couple of years its Android goes stale: YouTube, MEGOGO or Netflix drop support for the old firmware. A Japanese unit gets repaired where a Chinese one is refused everywhere.	Lamp — an original ET-LAL500 module (230 W UHM), life up to 5000 h (Normal) / 10,000 h (Eco), top-accessed — a minutes-long swap even on the ceiling. Originals are on the market, and cheaper compatibles too. The imager is three 3LCD panels, an industry standard; the optical block and cooling fans are ordinary off-the-shelf parts. The filter is removable from the side, rated up to 10,000 h, and cleaned in a minute. Serviceable housing, plenty of donors. In short, a machine built to be serviced for years. You cannot fix a no-name disposable Chinese projector this way: the LED is soldered into the board, no schematics or spare parts exist, and there is simply no service shop in the country that would take it on.

Price when new€1,050

Price of this projector now€260

Panasonic PT-TW351R

3LCD·WXGA 1280×800·3,300 lm·16,000:1 contrast

Short throw — an 80″ screen from 75 cm

A throw distance right up close to the wall: an 80″ screen from just 75–80 cm away. You do not block the beam, no glare in the eyes, no shadows on the screen.

Interactive pens — 2 people at once

You can optionally add styluses for two users at the same time: write, draw and control the image right on the screen — handy for a family idea board, home lessons or shared creativity.

Whiteboard software — record and save your notes

Panasonic’s own software turns the screen into an interactive whiteboard that can save what you write — jot notes or sketches and save them to a file, no manual copying needed.

3LCD technology — 3 chips, no rainbow

Three separate R/G/B panels give rich, stable colour and none of the rainbow flicker single-chip DLP can show. Easier on the eyes through a long film.

Contrast 16,000:1

High 16,000:1 contrast — deep black and a dimensional picture, rare for a projector in this class. That is already past what the human eye can tell apart: higher contrast no longer changes how the picture looks — here the projector delivers the point of diminishing returns.

3,300 lumens — bright even with lights on

A rated 3,300 lumens gives a clear picture even in a room with the lights on — no need to black out the room every time.

Daylight View Lite — a light sensor

A built-in sensor adjusts colour and brightness to the room light by itself — the picture stays sharp day and evening, with no manual tweaking.

Lamp up to 10,000 hours in Eco2

In economical Eco2 mode the lamp lasts up to 10,000 hours — years of viewing with no worries, and a spare lamp is inexpensive.

Filter — also 10,000 hours

The air filter lasts as long as the lamp — up to 10,000 hours. Maintenance is rare and simple: no monthly cleaning to think about.

Speaker 10 W

A built-in 10 W speaker gives sound with no separate audio system — connect and watch, nothing extra to buy.

HDMI — connect everything

HDMI, VGA, composite and audio — connect a laptop, Blu-ray or media box and watch with no extra adapters.

Wi-Fi optional — present without cables

With the optional Wi-Fi module, send a laptop or phone screen with no cables — handy when the source is not right next to the projector.

Student course project

Vocational Film College

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