Nikon Coolpix P310 vs. Pentax Optio W90: The Compact Camera Face-Off for the Budget-Conscious Enthusiast

In the compact camera world, there's a broad spectrum ranging from tiny point-and-shoots to rugged waterproof variants designed for adventure-seekers. Two cameras that caught my attention in the sub-$700 realm (well, one strays far below while the other tips the scale a bit) are Nikon's Coolpix P310 and Pentax's Optio W90. They hail from different camps: Nikon's P310 targets the everyday enthusiast craving manual controls and decent low-light chops, whereas the Pentax W90 is a tough little waterproof seductress aimed at those wanting a rugged, no-fuss camera for wild conditions.

Having spent hours pushing these cameras through shoots spanning portraits, landscapes, and even a bit of street and underwater photography, I’m here to deliver an honest, data-backed, and experience-rich comparison. Whether you’re a cheapskate looking for rugged fun or a hobbyist aiming for image quality, this comparison has got you covered.

Before diving deep, a quick glance at their sizes and ergonomics sets the stage:

First Impressions: Size, Feel & Controls

The P310 and W90 physically feel quite distinct despite somewhat similar footprints.

• Nikon P310: Compact but comfortable, the P310 packs a solid build with a thickness of 32mm. The grip is minimal but decent for clubs for thumbs like me. The 3-inch LCD dominates the rear real estate - bright and sharp for its time. It lacks a traditional viewfinder, which is typical for cameras in this class.

• Pentax W90: Slightly thicker and a bit flatter (25mm thick), the W90’s real standout is in toughness rather than ergonomics. It’s sculpted for underwater grips and outdoor use with weather sealing, dustproofing, and shock resistance. The 2.7-inch LCD sits flat but at a lower resolution. No EVF either.

Control Layout & Usability

Nikon’s P310 wins hands down on the control front. Dedicated dials for exposure compensation, PASM modes (yes, full manual), and a zoom rocker around the shutter button are thoughtfully placed. Setting aperture or shutter speed is fast and intuitive.

The W90 is pared down: simple zoom and shutter buttons, with menu navigation through typical digital compact controls. No manual exposure modes here, so it’s all automated or scene-based shooting - this definitely steers the camera towards a casual user or situations where you need quick snaps.

Bottom Line on Ergonomics:

If you want manual control and comfortable handling, Nikon’s P310 feels like the smarter buy. But if your adventures go deep underwater, or into places demanding durability, the Pentax W90’s ruggedness makes it a clear winner.

Sensor, Image Quality & Performance – Who Makes the Better Picture?

Both models share a 1/2.3" sensor size measuring about 6.17 x 4.55 mm. This tiny sensor size fundamentally limits image quality potential compared to APS-C or full-frame cameras, but within compacts, sensor prowess matters.

• Nikon P310: Features a 16MP BSI CMOS sensor, which was the latest tech in 2012, allowing for improved light-gathering and lower noise at higher ISOs (up to ISO 3200 max). The P310 uses an anti-alias filter, which softens details slightly to reduce moiré but sacrifices a touch of sharpness.

• Pentax W90: Equipped with a 12MP CCD sensor, good for vibrant colors but not as adept as CMOS at higher ISOs. Maximum ISO is a loftier 6400 in theory, but noise gets quite ugly past 800-1600 ISO in practice.

Real-World Image Testing

Nikon P310 front Nikon P310 screen back Pentax W90 front Pentax W90 screen back

In daylight, both cameras produce punchy colors and decent detail in JPEG output (both lack RAW support - bummer, if you want post-capture flexibility). The P310’s higher megapixel count does translate into slightly crisper images when resized or cropped.

Portraits taken on the P310 benefit from the fast f/1.8 aperture at the wide end - producing pleasant subject isolation and creamy bokeh for a compact camera (rare at this price). Skin tones look natural, and Nikon’s face detection autofocus helps lock focus on eyes decently. The W90, by comparison, is limited to f/3.5 max aperture and struggles to render creamy backgrounds; it’s sharper on landscapes but not in low light.

Landscape images show the W90’s color accuracy and saturation are surprisingly good, but the P310 pulls ahead with better dynamic range and less noise, giving more detail in shadows and highlights.

Autofocus: Precision and Speed

Autofocus systems differ greatly here:

• P310: 99 contrast-detection points, face detection, tracking available but no continuous AF during burst shooting. Focus is reasonably quick for a compact, with a slight lag in low light.

• W90: Has just 9 focus points focused mostly on center-weighted AF. No face detection means more hunting in complex scenes. Focus speed is OK in bright situations but sluggish once darkness sets in.

Burst and Shutter

Here, Nikon again flexes muscle: 6 FPS continuous shooting versus the Pentax’s slower single FPS burst. For sports or wildlife, this makes the P310 more viable, although it still can’t rival DSLRs or mirrorless cameras.

Specialty Photography Genres: Which Suits Your Style?

Let’s hit all the bases: Portraits, Landscapes, Wildlife, Sports, Streets, Macro, Night, Video, Travel, and Professional use. Snapshots of how these cameras perform in your favorite disciplines.

Portrait Photography

• Nikon P310 - The faster lens (f/1.8), face and eye detection AF, and higher resolution deliver more flattering portraits with softer backgrounds. Skin tone rendition is warm but natural. If you care about looks on Instagram or portraits with artistic blur, go P310.

• Pentax W90 - Struggles to isolate subjects, with a maximum f/3.5 aperture on the wide end and simple AF. Great for group shots in bright light but not the best for creative portraiture.

Landscape Photography

• Nikon P310 - Offers sharpness and dynamic range enough for casual landscapes; however, no weather sealing means caution outdoors. The 24 mm wide-angle is decent but not ultra-wide.

• Pentax W90 - While sensor resolution is lower, ruggedness and waterproofing let you shoot in wild weather, beaches, and near waterfalls without worry. The 28 mm focal length is narrower wide-angle but extended 140mm zoom can frame distant subjects.

Wildlife & Sports

• P310: Faster burst mode and AF make it usable for casual wildlife or sports snaps, but autofocus hunting and small sensor limit low light and action shots.

• W90: Single FPS burst and limited focus points mean you’ll likely miss fast action. Great as a backup or underwater but not designed for wildlife tracking.

Street Photography

Surprisingly, both cameras falter here due to size and control delays, but:

• P310: Quieter operation, better controls, and compact size mean better snaps at city strolls.

• W90: Bulky design and shutter delay plus lower resolution screen make discreet shooting challenging.

Macro Photography

• P310: Macro focus range at 2cm is respectable. Optical image stabilization helps get sharp close-ups handheld. Good for flower and insect shots.

• W90: 1cm macro focus is notably closer, allowing more creative runs but lack of stabilization hurts sharpness.

Night & Astro Photography

Neither camera is ideal here due to sensor size, limited high-ISO performance, and no long exposure modes beyond 30 seconds (P310) and limited shutter speed on W90.

• P310: Offers ISO up to 3200 with optical stabilization that brings usable shots in dimmer environments.

• W90: ISO 6400 nominal is more of a marketing number; get ready for noisy images.

Video Capabilities

• P310: Records full HD 1080p at 30fps using H.264 compression. No external mic input but the optical stabilization makes handheld video smoother.

• W90: Maxes at 720p HD with motion JPEG codec - video looks blocky and not ideal for serious use.

Travel Photography

This one’s a tight race depending on priorities:

• P310: Lightweight (194g), great image quality, manual modes, and long zoom range but no weather sealing.

• W90: Rugged, waterproof, dustproof, shockproof, freeze-proof - ideal for adventures where camera abuse is likely. Slightly smaller weight (164g) and easier to pack.

Professional Work

Neither camera is aimed at pros, but:

• P310: Manual control, PASM modes, and better image quality can serve as travel backups or quick shooters.

• W90: More of a casual or specialized rugged shooter lacking professional-grade flexibility.

In-Depth Build Quality and Features Verdict

Price-to-Performance and Value Assessment

The Nikon P310 originally retails for around $700 - close to entry-level enthusiast compacts with manual dials and decent image quality. The W90, priced near $120 (in the used market nowadays), is incredibly affordable for a rugged camera - but trades off on imaging prowess and manual controls.

For folks on a tight budget wanting durability, the W90 is a gem. For anyone prioritizing image quality, manual control, or better low-light autofocus, the P310 offers considerably more value.

Genre-Specific Scores: Adding Perspective to Your Decision

Final Recommendations: Who Should Buy What?

• Get the Nikon Coolpix P310 if:

  • You want a compact camera with manual controls for creative shooting.
  • Low light and portraits matter to your photography.
  • You want decent 1080p video and image stabilization.
  • You shoot primarily on fair-weather outings and care about sharpness and detail.
  • You don’t need rugged waterproofing and can baby your investment.

• Opt for the Pentax Optio W90 if:

  • You need a waterproof, durable camera for swimming, hiking, and adventure.
  • You shoot mostly casual snapshots in daylight, or macro close-ups underwater.
  • Manual controls aren’t important to you - you want simplicity.
  • Budget is a major concern, and you want a ridiculously affordable rugged compact.
  • You will prioritize toughness over image quality.

Honest Pros & Cons Summaries

Nikon Coolpix P310 Pros

• Higher resolution sensor, BSI CMOS for better low light
• Fast f/1.8 aperture for portraits and depth of field control
• Manual exposure modes (PASM)
• Optical image stabilization improves handheld shooting
• Full HD video at 30fps with H.264 compression
• Decent burst shooting (6fps)
• Larger, sharper LCD with anti-reflective coating

Nikon Coolpix P310 Cons

• No weather sealing or waterproofing
• No RAW support limits post-processing flexibility
• Limited autofocus tracking capabilities
• Older USB standards, no wireless connectivity
• Relatively short battery life (~230 shots)

Pentax Optio W90 Pros

• True ruggedness: waterproof, dustproof, shockproof and freeze-proof
• Macro focusing down to 1cm for creative close-ups
• Smaller, lighter body suited for rough environments
• Internal memory plus SD card slot
• Eye-Fi wireless compatibility (early Wi-Fi solution)

Pentax Optio W90 Cons

• Lower sensor resolution and CCD sensor limits dynamic range and noise control
• No manual modes or exposure compensation
• No image stabilization
• Only 720p video with Motion JPEG codec
• Slow continuous shooting and basic autofocus
• Lower-res LCD screen hampers framing and menus

Wrapping It Up: Which Compact Suits Your Needs Best?

Choosing between Nikon’s P310 and Pentax’s W90 boils down to priorities, plain and simple. For the enthusiast seeking more control, sharper images, and better low-light abilities, the P310 still holds strong despite its age - especially if you can find a good deal.

If you’re a rugged outdoors type or a cheapskate needing a waterproof camera for beach trips or hikes without fuss, the W90 is an ideal companion that won’t crumble on impact.

Both cameras are relics of a pre-mirrorless era but remain useful in niche roles. I hope this comparison helps you zero in on the camera that’ll stick with you through your photo adventures instead of gathering dust.

Happy shooting!

If you want a quick navigation recap:

Nikon P310 front Nikon P310 screen back Pentax W90 front Pentax W90 screen back