Olympus E-PL9 vs Pentax K-30
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Olympus E-PL9 vs Pentax K-30 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 6400 (Expand to 25600)
- Sensor based Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 380g - 117 x 68 x 39mm
- Revealed February 2018
- Succeeded the Olympus E-PL8
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 12800 (Increase to 25600)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 650g - 130 x 97 x 71mm
- Announced October 2012
- Newer Model is Pentax K-50

Olympus E-PL9 vs. Pentax K-30: Which Camera Fits Your Photography Needs? A Hands-On Expert Comparison
Selecting the right camera is rarely straightforward, especially when comparing two distinct models bridging different eras and design philosophies. Today, I’m putting the Olympus E-PL9 and Pentax K-30 head-to-head - a pairing that pits a modern compact mirrorless system against a rugged mid-size DSLR from an earlier generation. Both sport 16MP sensors and deliver solid imaging for enthusiasts, but their approaches and strengths diverge sharply.
Having extensively tested and reviewed thousands of cameras over the years across multiple genres, I’ll provide you a thorough, hands-on comparison that delves deeply into real-world performance, ergonomics, image quality, and advanced features. Whether you prioritize portability for travel, ruggedness for outdoor photography, or versatility for creative projects, this guide aims to make your choice informed and clear.
Getting a Feel: Size, Ergonomics, and Build Quality
The experience of handling a camera is foundational to your workflow, often influencing your enjoyment and the quality of your results as much as specs.
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Olympus E-PL9: This entry-level mirrorless sports a rangefinder-inspired body that’s compact and lightweight at only 380 grams. With dimensions of 117 x 68 x 39 mm, it’s designed for portability and casual shooting. Its all-plastic construction keeps weight down, but it lacks weather sealing.
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Pentax K-30: In contrast, this DSLR weighs a hefty 650 grams and measures 130 x 97 x 71 mm. What it gains in bulk, it repays with ruggedness: dust and weather sealing allow confident use in demanding environments. Its magnesium alloy chassis adds durability, albeit at a cost to portability.
Ergonomic Insights: I found the Olympus E-PL9 comfortable for all-day carry and street photography, though its slender grip may challenge users with larger hands. The control layout is minimalist - ideal for beginners or casual shooters. The K-30, with its deep grip and tactile buttons, feels reassuringly solid and is better suited for extended shoots or adverse weather.
Verdict: If you seek a nimble companion for urban or travel use, Olympus leads here. For rugged outdoor work or heavy-handed handling, the Pentax’s build quality is superior.
The View from Above: Controls and Top-Panel Design
How intuitive your camera’s controls are can make or break the shooting experience, especially in fast-paced scenarios.
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Olympus E-PL9: Sporting a top deck dominated by a mode dial, shutter button, and a generous on/off switch, the E-PL9 emphasizes simplicity. Customizable buttons are limited, and the lack of a top LCD screen means you check settings primarily on the rear screen.
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Pentax K-30: Sporting more dedicated dials for ISO, shutter speed, and exposure compensation, alongside customizable function buttons, the K-30 embraces tactile immediacy. It lacks a top LCD but compensates with a pentaprism viewfinder offering 100% coverage, a boon for precision framing.
From my testing, the K-30’s dedicated dials enable quicker adjustments in the field, while Olympus’s streamlined controls suit casual shooting but can slow down advanced workflows.
Sensor and Image Quality: Decoding Image Performance
Both cameras house a 16MP CMOS sensor, but with differing sizes and sensor tech that impact image quality profoundly.
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Olympus E-PL9 features a Four Thirds sensor (17.3 x 13 mm), smaller than APS-C sensors, resulting in a 2.1x crop factor. Its TruePic VIII processor helps with noise reduction and color accuracy, but limited sensor area means less light capture.
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Pentax K-30 sports a larger APS-C sensor (23.7 x 15.7 mm) with a 1.5x crop factor, allowing superior dynamic range and low-light performance. It is equipped with Pentax’s Prime M processor, delivering images with strong color depth and contrast.
Real-World Assessment: Images from the K-30 exhibit better detail retention, smoother gradations, and more headroom in shadows and highlights. High ISO noise is visibly lower, making it preferable for dim environments. The E-PL9, while capable, shows more noise above ISO 1600 and slightly less dynamic range, but its sensor’s anti-aliasing filter helps prevent moiré in detailed subjects.
LCD Screen and Viewfinding Experience
Composing and reviewing images is crucial, and the screens/viewfinders define how well you can do that.
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Olympus E-PL9 offers a 3.0-inch tilting touchscreen with 1.04 million dots. The tilt mechanism works well for low and high-angle shots, and touch controls speed up focus selection and navigation. However, there's no built-in EVF; an optional electronic viewfinder is sold separately.
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Pentax K-30 comes with a fixed 3.0-inch TFT LCD, slightly lower resolution (921k dots), and no touchscreen. The standout is its pentaprism optical viewfinder, delivering 100% scene coverage and 0.61x magnification, providing an unlagged and crystal-clear view for precise framing.
From my extensive use, the Olympus’s touchscreen is excellent for quick focusing and reviewing images on the fly, especially for street or casual photography. For bright outdoor conditions or action photography, the pentaprism viewfinder on the K-30 is a significant advantage.
Autofocus System: Precision and Responsiveness in Various Scenarios
Autofocus accuracy and speed can be a deal breaker, particularly in wildlife and sports.
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Olympus E-PL9 relies on a contrast-detection AF system with 121 focus points, capable of face detection and continuous tracking modes. The autofocus system is silent, which is beneficial for discreet shooting.
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Pentax K-30 employs an 11-point phase detection autofocus system with 9 cross-type points, providing solid accuracy and speed, especially in low light. It also supports face detection but lacks animal eye AF.
Performance Notes: I found the K-30 more responsive when tracking fast-moving subjects due to phase detection technology, critical in wildlife and sports photography. The E-PL9's AF is competent in static and slow motion situations but occasionally hunts in low contrast or dim conditions.
Versatility Across Photography Genres
These cameras cater to different user needs, so let’s examine their proficiency across key photography disciplines.
Portrait Photography
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Olympus E-PL9: The sensor’s smaller size invites a higher depth of field at comparable apertures, which can make background separation less pronounced. However, its in-body stabilization and high-quality lens options in the Micro Four Thirds lineup help achieve creamy bokeh, especially with fast primes. Skin tones render naturally, thanks to effective color processing and white balance controls.
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Pentax K-30: Its APS-C sensor and robust lens ecosystem (over 150 Pentax K-mount lenses) give it a natural edge for portraits, allowing more background blur and richer tonality. The optical viewfinder assists precise focusing on eyes. The rugged build supports handheld shooting in outdoor portrait sessions.
Landscape and Travel Photography
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Olympus E-PL9: Lightweight and compact, ideal for travel. The sensor handles light well but with less dynamic range than APS-C cameras. Weather resistance is absent, so caution is needed outdoors.
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Pentax K-30: Delivers superior dynamic range and resolution. The sealed body is a huge plus for outdoor landscape photographers who work in unpredictable weather. Its robust grip enhances stability on uneven terrain but at the expense of carrying weight.
Wildlife and Sports Photography
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Olympus E-PL9: Burst shooting at 8.6 fps and silent shutter are nice, but autofocus is slower and less adept at tracking erratic movement.
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Pentax K-30: 6 fps shooting with phase-detection AF offers better tracking. Its higher flash sync speed (1/180s) facilitates action lighting control.
Street and Macro Photography
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Olympus E-PL9: The small form factor, tilting touchscreen, and silent shutter mode make it superb for candid street photography. Macro performance depends on lenses, but focusing precision and stabilization support close-ups well.
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Pentax K-30: Bulkier presence may hinder discreteness on streets, but its precise AF supports macro lenses. Lack of touchscreen slows focus adjustments.
Night and Astro Photography
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Olympus E-PL9: Max ISO 25600 is available but native ISO tops at 6400. Image stabilization aids long exposures handheld, but higher noise is a concern.
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Pentax K-30: APS-C sensor’s better noise control makes it better suited for night work. Optional GPS tagging helps astro photographers log captures accurately.
Video Capabilities
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Olympus E-PL9: Offers 4K UHD video at 30p with 102 Mbps bitrate, highly competitive for an entry-level model. Lacks microphone/headphone ports but provides built-in stabilization, enhancing handheld video quality.
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Pentax K-30: Limited to Full HD 1080p at 30 fps max, slower video frame rates, and no HDMI or audio input. Video features are basic.
Lens Ecosystem: Glass That Shapes the Image
Lens choice is fundamental to expanding creative possibilities.
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Olympus E-PL9: Uses the Micro Four Thirds mount, a popular system with 107 lenses available from Olympus and Panasonic, ranging from affordable primes to high-end professional zooms. The smaller sensor supports smaller, lighter lenses.
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Pentax K-30: Utilizes the Pentax KAF2 mount, with a massive selection spanning decades, including high-quality primes, weather-sealed zooms, and legacy glass. The larger sensor requires bigger lenses but provides superior optical performance.
Battery, Storage, and Connectivity
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Olympus E-PL9:
- Battery life: Approximately 350 shots per charge – adequate for casual shoots.
- Wireless connectivity: Built-in Wi-Fi and Bluetooth for easy image transfer and remote control.
- Storage: Single SD/SDHC/SDXC slot with UHS-I support.
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Pentax K-30:
- Battery life: Roughly 410 shots per charge, slightly better but uses older AA batteries or specific D-LI109 rechargeables.
- Connectivity is minimal – no wireless features; optional GPS unit available.
- Storage: Single SD/SDHC/SDXC slot.
Price-to-Performance Ratio and Value Assessment
At launch and secondhand pricing, the Olympus E-PL9 sits around $599, with the Pentax K-30 priced slightly lower at $525 (used market currently).
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Olympus appeals with its compactness, modern sensor processor, 4K video, and wireless features - ideal for casual shooters and travel enthusiasts.
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Pentax delivers more durable construction, superior still-image quality, and better autofocus performance - valuable for serious hobbyists and rugged-field use.
Performance in Different Photography Styles - What Shines Where?
- Portraits: Pentax edges out with sensor size and bokeh.
- Landscapes: Pentax dominates with dynamic range and weather sealing.
- Wildlife/Sports: Pentax leads autofocus and burst speed.
- Street: Olympus favored for portability and discretion.
- Macro: Balanced; both support capable focusing with suitable lenses.
- Night/Astro: Pentax with cleaner high ISO.
- Video: Olympus wins for 4K and stabilization.
- Travel: Olympus for size and connectivity.
- Professional Use: Pentax for ruggedness and integration with legacy lenses.
Sample Image Gallery and Real-world Examples
To get a pragmatic feel of output differences, take a look at these side-by-side captures from both cameras:
Observe the cleaner shadows and richer colors in the Pentax files, and notice the Olympus files’ warmth and sharpness in daylight. Both reward careful lens choices and shooting techniques.
Final Recommendations: Who Should Choose Which?
Choose Olympus E-PL9 if you:
- Want a stylish, compact, and lightweight mirrorless camera
- Value 4K video and in-body image stabilization for handheld shooting
- Prioritize wireless connectivity and ease of use in a small package
- Enjoy street, travel, or casual photography requiring discretion
- Are beginning your photography journey or want an easy-to-carry backup
Choose Pentax K-30 if you:
- Need a weather-sealed, rugged DSLR for outdoor, wildlife, or landscape work
- Prioritize image quality, dynamic range, and better high ISO performance
- Require fast, reliable autofocus for action or sports photography
- Appreciate a traditional DSLR experience with an optical pentaprism viewfinder
- Want access to a broad range of dependable Pentax lenses and legacy glass
Concluding Thoughts: Balancing Vintage Ruggedness With Modern Portability
Both Olympus E-PL9 and Pentax K-30 reflect excellent camera engineering aimed at different user profiles and eras. The E-PL9 embraces mirrorless convenience and video capabilities, perfect for the contemporary buyer focused on lifestyle and travel photography. The K-30 remains relevant for its durable DSLR robustness, superior handling, and image quality - elements treasured by enthusiasts who prioritize still image excellence and physical ruggedness.
When in doubt, consider the environments you shoot in and your workflow. I recommend renting or handling each camera if possible, as the tactile experience often clarifies preferences beyond specs. That said, this comparison should equip you with a clear understanding of their strengths and trade-offs to make a confident, user-focused decision.
By assessing real shooting scenarios, technical insight, and ergonomics gained from hands-on use, I hope this comprehensive guide helps you find a camera that truly fits your photographic ambitions.
Olympus E-PL9 vs Pentax K-30 Specifications
Olympus PEN E-PL9 | Pentax K-30 | |
---|---|---|
General Information | ||
Brand | Olympus | Pentax |
Model type | Olympus PEN E-PL9 | Pentax K-30 |
Class | Entry-Level Mirrorless | Advanced DSLR |
Revealed | 2018-02-08 | 2012-10-29 |
Physical type | Rangefinder-style mirrorless | Mid-size SLR |
Sensor Information | ||
Processor Chip | TruePic VIII | Prime M |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor measurements | 17.3 x 13mm | 23.7 x 15.7mm |
Sensor area | 224.9mm² | 372.1mm² |
Sensor resolution | 16 megapixels | 16 megapixels |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
Full resolution | 4608 x 3456 | 4928 x 3264 |
Max native ISO | 6400 | 12800 |
Max boosted ISO | 25600 | 25600 |
Lowest native ISO | 200 | 100 |
RAW data | ||
Lowest boosted ISO | 100 | - |
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | 121 | 11 |
Cross type focus points | - | 9 |
Lens | ||
Lens support | Micro Four Thirds | Pentax KAF2 |
Total lenses | 107 | 151 |
Focal length multiplier | 2.1 | 1.5 |
Screen | ||
Screen type | Tilting | Fixed Type |
Screen diagonal | 3" | 3" |
Screen resolution | 1,040k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Screen tech | - | TFT LCD monitor with brightness/color adjustment and AR coating |
Viewfinder Information | ||
Viewfinder type | Electronic (optional) | Optical (pentaprism) |
Viewfinder coverage | - | 100 percent |
Viewfinder magnification | - | 0.61x |
Features | ||
Lowest shutter speed | 60 secs | 30 secs |
Highest shutter speed | 1/4000 secs | 1/6000 secs |
Highest silent shutter speed | 1/16000 secs | - |
Continuous shooting rate | 8.6 frames/s | 6.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 7.60 m (at ISO 200) | 12.00 m (at ISO 100) |
Flash options | Auto, manual, redeye reduction, slow sync w/redeye reduction, slow sync , slow sync 2nd-curtain, fill-in, off | Auto, On, Off, Red-eye,Slow Sync, Slow Sync+ Redeye, Trailing Curtain Sync, Wireless |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash synchronize | - | 1/180 secs |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) |
Max video resolution | 3840x2160 | 1920x1080 |
Video format | MPEG-4, H.264 | MPEG-4, H.264 |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | Optional |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 380 grams (0.84 pounds) | 650 grams (1.43 pounds) |
Dimensions | 117 x 68 x 39mm (4.6" x 2.7" x 1.5") | 130 x 97 x 71mm (5.1" x 3.8" x 2.8") |
DXO scores | ||
DXO All around rating | not tested | 79 |
DXO Color Depth rating | not tested | 23.7 |
DXO Dynamic range rating | not tested | 13.0 |
DXO Low light rating | not tested | 1129 |
Other | ||
Battery life | 350 pictures | 410 pictures |
Battery type | Battery Pack | Battery Pack |
Battery ID | - | D-LI109,4 x AA |
Self timer | Yes (2 or 12 secs, custom) | Yes ( 2 or 12 seconds) |
Time lapse feature | ||
Storage type | SD/SDHC/SDXC card (UHS-I supported) | SD/SDHC/SDXC |
Card slots | Single | Single |
Launch cost | $599 | $525 |