Pentax Optio 550 Review
Pentax Optio 550 Specifications
|Street Price|| US: $ 599 [check
UK: £ 549 [check / order]
|Body Material||Aluminium alloy|
|CCD effective pixels||5.0 megapixels|
|CCD size||1/1.8" (7.2 x 5.3 mm - more info)|
|CCD Colour Filter Array||G - R - G - B|
|Max resolution||2592 x 1944 (5.0 megapixels)|
|Lower resolutions|| 2048 x 1536
1600 x 1200
1024 x 768
640 x 480
|Image ratio w:h||4:3|
|Image formats|| TIFF
JPEG (EXIF 2.2)
|Sensitivity equiv.|| Auto
|Zoom wide (W)||37.5 mm|
|Zoom tele (T)||187.5 mm (5 x)|
|Zoom steps||11 steps|
|Lens Aperture||F2.8 - F4.6|
|Digital zoom||Yes, up to 4x|
|Auto Focus|| 5 point AF
Hybrid AF (contrast detect / external sensor)
|AF Illumination lamp||No|
|Manual Focus||Yes, manual / infinity focus|
|Normal focus range||0.6 m (1.97 ft) - Infinity|
|Macro focus range|| Macro: 15 - 65 cm (5.9 -
Super-macro: 2 - 65 cm (0.80 - 25.6 in)
|Exposure modes|| Program AE
|Scene modes|| Landscape
Surf & Snow
|Min shutter||4 sec|
|Max shutter|| 1/4000 sec *
* 1/1000 sec max in Manual or Shutter-priority AE
Wide: F2.8, F3.0, F3.2, F3.5, F4.0, F4.3, F4.5, F5.0, F5.6,
F6.0, F6.5, F7.0, F7.9
|Shutter priority||4, 3, 2.5, 2, 1.6, 1.3, 1, 0.8, 0.6, 0.5, 0.4, 0.3, 1/4, 1/5, 1/6, 1/8, 1/10, 1/13, 1/15, 1/20, 1/25, 1/30, 1/40, 1/50, 1/60, 1/80, 1/100, 1/125, 1/160, 1/200, 1/250, 1/320, 1/400, 1/500, 1/640, 1/800, 1/1000|
|Exposure compensation||-2 EV to +2 EV in 1/3EV steps|
|Bracketing|| 3 images
Exposure, White balance, Sharpness, Saturation, Contrast
Exposure bracketing: +/-0.3, +/-0.7, +/-1.0, +/-1.3, +/-1.7, +/-2.0
|White Balance|| Auto
Fluorescent (W / N / D)
|Digital filters|| Black & White
|Image parameters|| Sharpness (3 levels)
Saturation (3 levels)
Contrast (3 levels)
|Drive modes|| Single
|Time-lapse mode|| Interval: 10 sec - 99 mins
Shots: up to 99
Start: Immediate / delay
|Flash||Yes, fixed internal|
Wide: 0.4 m - 5.2 m (1.31 ft - 17.1 ft)
|Flash compensation||+/-2 EV in 0.3 EV steps|
|Tripod mount||Yes, metal|
|Remote control||Yes, supplied Infrared|
|Video out||Yes, selectable NTSC / PAL|
|Movie clips|| 320 x 240, 15 fps, up to
Motion JPEG & Wave audio
|Storage||Secure Digital / Muti Media Card (SD/MMC)|
|Storage included||16 MB Secure Digital (SD) card|
|Viewfinder|| Optical with dioptre adjustment
Approx. 84% frame coverage
|Histogram display|| Live histogram (LCD monitor
|Playback zoom||Yes, 8x (27 steps)|
|Printing compliance|| DPOF
Print Image Matching II
EXIF Print (EXIF 2.2)
USB 1.1 & A/V out (combined connector)
|Battery||Pentax D-LI7 Lithuim-Ion battery (3.7 V, 1800 mAh)|
|Battery charger||Yes, supplied|
|Weight (inc. battery)||247 g (8.7 oz)|
|Dimensions (inc. grip)||100 x 59 x 40 mm (3.9 x 2.3 x 1.6 in)|
|Click for glossary entry / help|
|The Engineer by EXX|
from Steam Trains
|Madrid subway by MAGMATCICO62|
from Your City - Public Transport
|Incandescent Bulb by Kukla|
from Illuminate- Macro only
|Curiousity by PERCY2|
from Macro - Your Best Macro Ever
|Hoar Frosted Trees by sabishiT3T|
It's been twenty years since Jeff Keller founded the Digital Camera Resource Page, one of the first websites dedicated to digital photography. Jeff, who has been at DPReview for nearly five years, looks back at the rise and fall of consumer digital cameras and his website.
We're counting down our top 10 most popular sample galleries of 2017. At #2 we have another staff favorite – the Sony Alpha a9.
Rotolight has released the Anova Pro 2 circular LED for stills and video, boasting a 70% increase in brightness and what the company describes as "unrivaled battery performance."
Designer Vinicius Araújo has imagined what he believes the perfect Adobe software keyboard might look like. From customizable touch pads, to a scroll wheel, to a little display that shows the tool in use, his design is pretty compelling.
Peak Design has teamed up with Leica to release a limited-edition backpack made special for fans of the Red Dot.
A portrait of an android woman has beaten over 5,700 pictures of humans to take third place in this year’s prestigious Taylor Wessing Portrait Prize. The judges were not told the subject was an 'android' until after the winning images were chosen.
Hauling around C-Stands just got a whole lot less annoying thanks to these new Matthews shoulder and roller bags, which can hold two or three C-stand (respectively) plus accessories.
Neal Preston has shot timeless photos of everyone from Led Zeppelin, to Whitney Houston, to Michael Jackson. In this interview, he offers insights into his craft to up-and-comer Elijah Dominique.
Future prosumer Canon DSLRs might feature light-up buttons, if this newly published patent is any indication of the camera company's plans.
Sony's a7R Mark III shoots 42.4MP files at 10fps and incorporates a robust video feature set, large battery, refined ergonomics and more. It certainly looks impressive, but what is it like to use, and how does it stack up against the rest of the market? Find out in our full review.
We're counting down our top 10 most popular sample galleries of 2017 – the Fujifilm X100F takes the bronze and the #3 spot.
There's never been a better time to shop for a new camera, but the number of options available can be overwhelming. In this series of buying guides we've provided customized recommendations for several use cases, from shooting landscapes to buying a first camera for a student photographer.
Shopping for a camera with a set budget? No problem! We've rounded up our favorite cameras, broken them into price brackets and picked the best of the bunch.
Looking for a lightweight compact camera that's easy to bring with you anywhere? Or maybe you're smartphone-shopping and want the one that takes the best picture. And what if you want to shoot from above? In these buyers guides we have recommendations for the best compact cameras, smartphones and drones.
Despite reports to the contrary, analysis of DPReview images by our friend Jim Kasson confirms a disappointing fact: Sony a7R III is still a Star Eater. But there may be some improvements.
As the saying goes: A photo is worth a thousand words. And if you're sending that photo through Facebook Messenger, your thousand words now look twice as nice after today's update to 4K resolution.
Get to know the new Leica CL in short order by giving our 90 second 'First look' video a watch.
Leica has just released the CL, the forth in its series of APS-C L-mount cameras. Despite sharing a name with a camera released in the mid-70s, the new CL is a thoroughly modern ILC, with a 24MP sensor and built-in electronic viewfinder.
The Leica CL is a 24MP rangefinder-style mirrorless camera, which sits alongside the TL2 in the company's APS-C lineup. We've been using one for a few days – check out our gallery of images.
While it shares a name with one of Leica's most popular and affordable cameras of the 1970s, the new CL is separated from its namesake by more than just years. We've been using one for a few days - click through for a detailed first-impressions report.
We're counting down our top 10 most popular sample galleries of 2017, and the #4 ranking goes to the Leica M10.
Sigma is discounting 13 different high-performance 'Art' series lenses from today until November 30th. The company is calling it an 'unprecedented' sale.
See DJI's 'AeroScope' drone-tracking technology in action. This is the system that DJI says can help law enforcement and airport (among others) track and identify rogue drones.
iPhone X owners can already accessorize their new phone with high-quality smartphone photography lenses courtesy of Moment's new lineup.
Considering buying Sigma's exciting new 16mm F1.4 DC DN Contemporary lens for crop-sensor E-Mount and M43? Check out these official full-res samples first!
Vimeo has just added support for 8K HDR 10-bit content, making it possible to show up to 75% of the colors the human eye can perceive vs the usual 35%. Take THAT YouTube.
The holidays are coming, but your gear isn't cutting it? It's time to treat yourself!
We're counting down our top 10 most popular sample galleries of 2017, and sitting pretty at #5 is the Fujifilm X-T20.
See some of the most iconic black-and-white photographs throughout history brought to life by a community of colorization enthusiasts and professional retouchers in the new book Retrographic.
Shopping for a photographer? Whether you are one yourself or not, chances are you could use some ideas. From stocking stuffers on up, we've got some photography gift suggestions for every budget.