DEPSTECH DS620 Triple Lens Endoscope Review: Three Cameras That Actually Make a Difference

Ever tried to figure out what’s going on inside a wall, behind a drain, or inside an engine without tearing everything apart? I’ve been there more times than I can count, and a good inspection camera changes everything.

The DEPSTECH DS620 is a triple lens endoscope with a 5-inch IPS screen, 1080p resolution, and a 16.5-foot semi-rigid cable. The standout feature is the three-camera system: one front-facing lens and two side-facing lenses that you switch between with a single button press. No phone pairing, no app, no fumbling with your device while your other hand feeds cable into a wall cavity.

I put this borescope through its paces on duct inspections, wall checks, and tight mechanical spaces. The triple lens setup turned out to be more than a spec sheet bullet point. Here’s what I found after hands-on testing.

What I Liked

Triple Lens Endoscope Camera Design

The DS620 carries three separate cameras on a single probe: one forward-facing lens and two side-facing lenses, each with its own LED lighting. Switching between them takes a single button hold. During a duct inspection, the front camera showed me what was ahead in the pipe, and the side cameras revealed buildup on the duct walls that the front lens would have missed entirely. Once you use all three, going back to a single-lens scope feels limiting.

5-Inch IPS Screen With Real-Time Feed

The built-in 5-inch IPS display delivers a crisp, lag-free image at 1080p with 2-megapixel clarity across all three lenses. Colors reproduce accurately, which matters when you’re trying to distinguish corrosion from dirt or identify wire insulation colors inside a wall. The screen is bright enough for outdoor use and large enough that you’re not squinting at details.

Self-Contained One-Hand Operation

This inspection camera doesn’t need a phone, an app, or a Bluetooth connection. Every control sits on the handle: camera switching, LED brightness, photo and video capture, and playback. Feed the cable with one hand, operate the unit with the other. For mechanics working under a hood or homeowners reaching into crawl spaces, this matters more than any spec sheet number.

IP67 Waterproof With Adjustable LEDs

The probe carries an IP67 waterproof rating, and I confirmed it works submerged in standing water during a drain pipe check. Ten LEDs arranged in an 8+1+1 layout (eight on the front, one per side camera) give independent brightness control for each lens. You can dim the front to avoid glare on reflective surfaces while keeping the side cameras at full brightness for darker areas.

16.5ft Semi-Rigid Cable

The semi-rigid cable extends to 16.5 feet (roughly 5 meters), which covered every residential inspection I attempted. The cable holds its shape when you pre-bend it for corners, unlike fully flexible cables that flop and lose direction. It threads through vent grate slats and navigates 90-degree bends in drain pipes with some patience and pre-shaping.

What Needs Improvement

Fixed Focus Requires Close Proximity

The DS620 uses a fixed-focus lens with an optimal range of about 1 to 3 inches from the subject. Outside that range, images get soft. For most inspection work this is fine since the probe is usually close to surfaces, but if you need to survey a larger open cavity from a distance, the image won’t be sharp.

Non-Replaceable Battery

The built-in lithium battery delivers 2 to 3 hours of continuous use depending on LED brightness. That’s adequate for most jobs, but the battery is sealed inside the unit. If it degrades after a couple of years of heavy use, you’re looking at replacing the entire unit rather than swapping in fresh cells.

Cable Length Is Fixed at 16.5 Feet

The 16.5-foot cable handles most residential work, but there’s no option for a shorter cable for quick jobs where the extra length just gets in the way. You end up wrapping excess cable around your arm or stuffing it back into the carrying case while working.

Controls Take Some Getting Used To

Switching cameras, adjusting LEDs, flipping the 180-degree image orientation, and capturing photos all use a few buttons with press-and-hold combinations. The learning curve is short, but first-time users should expect 10 to 15 minutes of practice before feeling fluid with the controls.

How This Borescope Compares

vs. Teslong NTS700

The Teslong NTS700 offers dual lenses and 1080p resolution but relies on smartphone WiFi connectivity instead of a built-in screen. If you already have your phone in hand and prefer a lighter tool, the NTS700 works. But the DS620’s self-contained design and third camera give it a practical edge when you need both hands free in tight automotive or HVAC work.

vs. NIDAGE Wireless Endoscope

NIDAGE’s wireless endoscope hits a lower price point with a single lens and phone-based viewing. It’s a decent entry-level option for occasional use. The DS620 justifies its higher price with three cameras, a dedicated screen, and the semi-rigid cable that holds its shape in pipes and ducts. For anyone doing regular inspections, the upgrade pays for itself in time saved.

vs. DEPSTECH DS590

The DS590 is DEPSTECH’s own larger sibling with a bigger screen and similar triple-lens capability, but at a higher price point. The DS620 delivers nearly identical imaging in a more compact, portable form factor. Unless you need the extra screen size for detailed review on-site, the DS620 is the better value.

Final Verdict

The DEPSTECH DS620 is a well-built inspection camera where the triple lens system delivers real practical value, not just a marketing feature.

I’m giving it a 4.3 out of 5. The three-camera design, sharp 5-inch display, and self-contained one-hand operation make it one of the more capable endoscopes in its price range. The fixed-focus limitations and sealed battery keep it from a perfect score, but neither is a dealbreaker for the target user.

Bottom line: the DS620 is a solid choice for homeowners, DIY mechanics, and tradespeople who need reliable multi-angle inspections without tearing things apart.