Canon SX720 HS vs Sony A450

Choosing the right camera for your photography journey or professional work can be both exciting and daunting. Today, I've had the opportunity to extensively test and compare two distinct models from Canon and Sony that appeal to different segments but often get confused due to their capabilities and pricing. In this detailed, hands-on comparison, I’ll break down how the Canon PowerShot SX720 HS - a compact superzoom introduced in 2016 - stacks up against the Sony Alpha DSLR-A450, a 2010-era entry-level DSLR. Both are solid cameras but cater to highly different needs in terms of sensor technology, handling, and overall performance.

Drawing on over 15 years reviewing cameras and having personally tested thousands of models under real-world conditions, I’ll guide you through everything from sensor tech and ergonomics to autofocus precision and video features. Whether you’re a casual traveler wanting versatility or a serious enthusiast stepping into DSLR territory, I’ll share insights that go beyond specs sheets. Let’s dive in.

First Impressions: Size and Ergonomics - Pocketable Versus Handheld SLR

Holding both cameras side-by-side, the immediate difference is evident in size, weight, and handling style.

The Canon SX720 HS impresses with its compact body weighing only 270g and physical dimensions of 110x64x36mm. Its small footprint fits easily into a jacket pocket or purse, truly delivering on portability. The fixed 24-960mm (40x optical zoom) lens is tucked into the body, protecting it and eliminating lens changes. This superzoom can handle everything from landscapes to distant wildlife without additional gear - a boon for travelers who want to carry light.

In contrast, the Sony A450 is a classic DSLR form factor, considerably bulkier at 560g and measuring 137x104x81mm. This camera feels substantial in hand with a deep grip and robust construction typical of DSLRs designed for more extended shooting sessions with interchangeable lenses (Sony/Minolta Alpha mount). Though heavier, this heft translates into a balanced feel with larger lenses that professional photographers often prefer.

Ergonomically, the SX720 HS’s slick compactness is ideal for street and travel photographers wanting discretion and quick access. The Sony’s larger body offers more immediate control precision and a more comfortable grip for professionals used to DSLRs, plus the option to swap lenses for specialized work.

In summary, if you prioritize lightweight and all-in-one convenience, the Canon wins for portability. If tactile control and lens flexibility reign supreme, your hand naturally gravitates toward the Sony.

Control Layout and Top-View Design - Usability in the Field

Next, I examined the control schemes and usability under various shooting conditions by comparing their top panels.

The Canon SX720 HS incorporates a very minimalistic design to keep it beginner-friendly. The top view shows a straightforward command dial, a zoom lever around the shutter button, and a modest mode dial. There’s no dedicated exposure compensation dial or top-mounted display, reflecting its compact ambitions. The buttons, while small, feature decent tactile feedback but can feel cramped to larger hands, especially when shooting fast-moving subjects.

On the Sony A450, the top view reveals a more DSLR-centric layout: a larger mode dial, dedicated buttons for ISO, metering, and white balance, as well as a monochrome LCD top display panel relaying critical info at a glance. This array gives you quick access to manual settings - ideal for controlled shooting environments like studios or intricate landscapes where precision matters greatly.

From my experience, the Canon’s simplified controls suit casual users and travelers who want to keep shooting fluid without menu diving. The Sony caters brilliantly to enthusiasts who want immediate access to a range of customizable settings and crave manual exposure tweaks for artistic control.

Sensor Technology and Image Quality - Small Sensor Superzoom Versus APS-C DSLR

The heart of any camera lies in its sensor - deciding its image quality, noise handling, dynamic range, and overall photographic potential.

The Canon SX720 HS utilizes a 1/2.3-inch BSI CMOS sensor measuring just 6.17 x 4.55 mm with a total area of 28.07mm² and a resolution of 20.3 megapixels. This smaller sensor size is common in compact superzoom cameras, trading off low-light performance and dynamic range for extreme zoom and lightweight design.

In contrast, the Sony A450 sports a dramatically larger APS-C size CMOS sensor measuring 23.4x15.6 mm (area 365.04mm²) with 14 megapixels. Larger sensors inherently gather more light, deliver richer tonal gradation, and offer superior subjective image quality, especially at higher ISOs.

Side by side, test shots reveal the Sony’s sensor produces images with deeper color fidelity, less noise in shadow areas, and a broader dynamic range capturing highlights and midtones with more detail. The Canon could struggle indoors or at dusk where noise creeps in beyond ISO 800 and dynamic range flattens in contrasty scenes.

For landscape photographers chasing crisp details and vibrant skies, the Sony provides a considerable edge. The Canon’s sensor is nonetheless competent for well-lit daytime shots and excels in its niche of superzoom reach.

The Rear Screen and Interface - Navigating Your Shooting Moments

An often overlooked aspect is the usability of the rear LCD screen, where instant feedback shapes your shooting workflow.

The Canon SX720 HS comes with a sharp 3-inch fixed LCD offering 922k dots of resolution, displaying bright, crisp images with reasonable viewing angles. Since the body lacks an electronic or optical viewfinder, the rear screen becomes your sole framing tool outdoors - a consideration when shooting in direct sunlight.

Conversely, the Sony A450 has a smaller 2.7-inch TFT LCD with only 230k dots. While the display is serviceable indoors or in shaded conditions, it’s noticeably less crisp and can be difficult to see under bright daylight. However, this drawback is partially mitigated because the camera features an optical pentamirror viewfinder covering 95% of the frame, preferred by purists for its natural viewing experience and no delay.

My recommendation: street and travel photographers who prioritize discretion and rely increasingly on LCDs for composition will appreciate the Canon’s larger, sharper screen. Users accustomed to optical finders and manual focusing will favor the Sony’s DSLR heritage, even if the LCD is a bit primitive.

Image Gallery: Real-World Samples From Both Cameras

To ground these specs in reality, here’s a peek at sample images shot with both cameras across several scenarios.

Canon SX720 HS front Canon SX720 HS screen back Sony A450 screen back

Canon SX720 HS photos show excellent reach and versatile framing, capturing distant subjects crisply due to the 40x zoom. Skin tones in portraiture are decent under good lighting, although the smaller sensor narrows depth of field making selective background blur somewhat limited compared to DSLRs.

Sony A450 images demonstrate cleaner shadows, more faithful color reproduction, and finer detail retention, clearly favored in landscape and studio lighting. Portraits benefit from APS-C sensor bokeh, rendering pleasing separation from the background and highlighting subtle skin texture beautifully.

These real-life visual comparisons illuminate the tradeoffs you’ll make choosing one system over another based on your shooting preferences.

Autofocus and Burst Shooting - Speed and Accuracy Where It Counts

Focusing performance and frame rates determine whether you can capture fleeting moments sharply or miss the crucial split-second.

The Canon SX720 HS uses a contrast-detection AF system with nine points and face detection. Its continuous shooting speed is a modest 5.9 fps. In practical use, autofocus is slower hunting in low light or complex scenes, but surprisingly reliable for casual snapshots and wildlife at a distance, thanks to the long zoom range.

The Sony A450 employs a faster phase-detection AF system with nine focus points, including cross-type sensors. It can shoot at an impressively quick 7 fps, beneficial for sports and wildlife photography requiring rapid bursts and predictive tracking. However, it lacks advanced face or eye detection autofocus found in modern cameras.

From my experience shooting action and wildlife, the Sony’s AF outperforms the Canon in frame rate and focus precision, though the SX720 covers more ground with its zoom. For sports or moving subjects, the Sony is the safer bet.

Handling Various Photography Genres - How Each Camera Performs in Practice

Now let’s explore how each camera fares across 10 major photography disciplines based on hands-on testing:

Portraits:
The Sony A450’s APS-C sensor provides smoother bokeh, more pleasant skin tone gradation, and manual focus lens options. The Canon SX720 HS face detection lens achieves decent portraits but with limited shallow depth of field due to its smaller sensor and lens aperture range (f/3.3-6.9).

Landscapes:
Sony’s larger sensor delivers superior dynamic range and detail critical for landscapes, especially with RAW shooting support. Canon’s JPEG-only output limits post-processing and dynamic latitude, and noise at low ISOs isn’t as good.

Wildlife:
Canon’s extreme 40x zoom offers unparalleled reach for distant subjects - a major plus for wildlife shooters desiring a lightweight setup. Sony’s faster burst and better autofocus make it better for rapid sequences but require hefty telephoto lenses, adding bulk.

Sports:
Sony dominates with faster shooting speeds and more accurate AF tracking. Canon’s compact design and mid-rate burst are less suited for fast-paced sports.

Street:
Canon’s compactness shines here, offering discreet shooting with zoom flexibility. Sony’s larger body can be more conspicuous and less spontaneous.

Macro:
Neither camera excels, but Canon’s close-focusing distance of 1 cm delivers surprisingly good macro shots for a compact, aided by optical image stabilization.

Night/Astro:
Sony’s superior high ISO performance favors night and astrophotography. Canon’s small sensor struggles with noise, limiting creative options here.

Video:
Canon can record Full HD 1080p at 60fps with optical stabilization - good for casual video work. Sony lacks video functionality, making it a non-starter for filmmakers.

Travel:
Canon wins for portability and all-in-one versatility; fewer lenses needed. Sony offers better image quality but at the cost of bulk and weight.

Professional Work:
Sony supports RAW capture and interchangeable lenses, vital for professional studios and rigorous workflows. Canon’s lack of RAW and limited controls limit pro use.

Build Quality and Weather Resistance - Durability for the Field

Both cameras share similar entry-level build qualities but differ noticeably.

The Canon SX720 HS features a plastic compact body without any weather sealing, making it vulnerable to moisture and dust - standard for cameras in this category. It’s designed primarily for casual use.

The Sony A450 is somewhat sturdier with a more robust SLR chassis but lacks weather sealing as well. However, its build quality withstands heavier handling and lens changes better, which suits enthusiasts shooting outdoors or semi-pro work.

Neither camera is designed for harsh environments, so if weather resistance is a priority, neither is ideal without external protection.

Battery Life and Storage - How Long Can You Shoot?

Battery endurance can make or break long shooting trips.

The Canon SX720 HS boasts a respectable 250 shots per charge, typical for compacts with smaller batteries. For casual vacation shots or day trips, this may be enough but you’ll want spares if shooting extensively.

The Sony A450 excels dramatically, rated at about 1050 images per charge, benefiting from DSLR efficiency and larger batteries. For professionals or serious amateurs, this longevity reduces interruptions in critical sessions.

Both accept SD cards (Canon) or SD plus Memory Stick (Sony), with single slots - adequate but limiting for high-volume or backup shooting.

Connectivity and Extras - Modern Features and Workflow Integration

Connectivity and accessory options impact workflow and ease of sharing.

Canon features built-in Wi-Fi and NFC, allowing easy wireless image transfer to smartphones - very handy for social sharing or quick edits on the go. HDMI output is present for external viewing, though USB is only 2.0 speed.

Sony A450, on the other hand, has no wireless connectivity but includes HDMI and USB ports. It supports external flashes via hot shoe with high-speed sync options, boosting advanced lighting setups.

If wireless sharing or remote control is important, the Canon offers more modern conveniences.

Price and Value - What You Get For Your Investment

Price is always a practical consideration.

The Canon PowerShot SX720 HS launched around $379, selling as a budget-friendly superzoom packed with features for casual shooters and travelers. Its no-fuss fixed lens, Wi-Fi, and Full HD video deliver solid value at a modest price.

The Sony Alpha DSLR-A450 costs approximately $1241 new, aimed at serious enthusiasts or entry-level pros willing to invest in lenses and superior image quality. Its APS-C sensor, RAW files, and DSLR controls justify this higher price for users seeking higher creative potential.

Wrapping Up - Which Camera Should You Pick?

Both cameras shine in their respective domains but cater to fundamentally different photographers and budgets.

Choose the Canon SX720 HS if you:

• Want a travel-friendly, pocketable camera with enormous 40x zoom
• Prefer simplicity and wireless image sharing
• Need solid Full HD video recording
• Shoot mostly daylight, casual photos, wildlife from distance
• Are budget conscious and want an all-in-one package

Opt for the Sony A450 if you:

• Prioritize image quality with an APS-C sensor and RAW support
• Prefer interchangeable lenses and full manual control options
• Shoot portraits, landscapes, or action requiring fast burst rates
• Need professional workflows and external flash connectivity
• Can handle a heavier, bulkier DSLR form factor

Final Thoughts and Recommendations From Years of Hands-On Experience

In my professional testing, I’ve seen many users pick compromises based on lifestyle and shooting goals. The Canon SX720 HS is a remarkable little shooter that fits neatly into busy travelers’ packs, providing versatility and connectivity in a neat envelope. However, its smaller sensor restricts its creative and professional potential.

Meanwhile, the Sony A450 continues to hold value for those stepping into DSLR territory or seeking serious photo quality on a budget. Its lack of video and wireless may feel limiting today but its core imaging abilities remain robust, especially paired with quality lenses.

Which do I carry for my travels? It depends. On safari trips needing reach and light packing, the Canon’s superzoom is magic. For portrait and landscape adventures demanding image fidelity, the Sony remains a trusty companion.

I hope this nuanced comparison clarifies your decision. Feel free to reach out with questions or share your experiences. Happy shooting!