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Reviews, guides, comparisons, news, and troubleshooting from Tech Carvalho.
TroubleshootingCanon EOS 60D: Is It Still Worth Buying?
What the EOS 60D's age actually costs you in autofocus and video, and who it still makes sense for as a cheap, capable stills camera today.
GuideMeteor Shower Photography: Camera Settings and Realistic Expectations
How to set up a wide-field meteor shoot, why most exposures come back empty, and what actually improves your odds of capturing a meteor.
GuideTripod vs Star Tracker: Which Do You Actually Need First?
Why a star tracker isn't usually the right first astrophotography purchase, and the real signal that tells you when you've outgrown a static tripod.
ComparisonCanon EOS R5 vs R6: Which Full-Frame R Body Do You Need
Resolution, video ceiling, and the ISO advantage that actually favors the cheaper R6 — a spec-by-spec look at Canon's two July 2020 full-frame flagships.
GuideBest Used Canon DSLRs for Beginners
Why a used Canon DSLR is still a smart first camera, what actually matters for learning photography, and how to buy used gear safely.
ComparisonCanon R10 vs R7: Canon's APS-C Mirrorless Lineup Explained
Why the R10 and R7 aren't a generational succession, and the one spec — in-body stabilization — that matters more than everything else on this comparison.
NewsWhy There Are Almost No New Nvidia GPUs in 2026
Nvidia's confirmed decision to skip new desktop GPU launches in 2026, and what industry reporting says about the delayed RTX 50 Super and RTX 60 series.
AINewsGTA 6: What's Actually Confirmed About the Release Date
Rockstar's confirmed November 2026 release date, pricing, and platforms for GTA VI, separated clearly from what's still unconfirmed about a PC version.
GuideSensor Size Explained: Crop vs Full-Frame, What It Actually Changes
What sensor size actually controls — field of view, depth of field, high-ISO tendencies, lens size — and why neither format is objectively the correct choice.
AINewsPS6 and Next-Gen Xbox: Rumour Tracker
Microsoft's confirmed 2027 dev-kit milestone versus the much shakier, conflicting reports around PlayStation 6's timeline and both consoles' pricing.
NewsCanon Announces the EOS R6 V: What's Confirmed So Far
Canon's official specs for the video-focused EOS R6 V, its 7K sensor and Open Gate recording, and what's still unconfirmed about pricing and availability.
GuideCanon EF Lenses Still Worth Buying Used
Which used Canon EF lenses hold up today, from nifty-fifty primes to L-series glass, and what to check before buying secondhand.
ComparisonEthernet vs Wi-Fi for Gaming and Video Calls: It's About Jitter, Not Speed
GuideMemory Card Speed Classes Explained: V30, V60, V90, U3 and A2
ComparisonThread vs Zigbee vs Wi-Fi: What Each Smart Home Protocol Actually Does
GuidePlanning an Astrophotography Night: Moon Phase, Twilight and Timing
GuideThe Bortle Scale: What Your Sky Class Actually Means for Astrophotography
GuideDo You Need a Powerful PC for Photo and Video Editing?
GuideHow Long Do Phone Batteries Actually Last (and When Should You Worry)?
GuideDrone Laws and Registration Explained: What You Need Before You Fly (US, UK, EU)
GuideMatter Explained: The Smart Home Standard That's Supposed to Fix Compatibility
TroubleshootingPS5 Storage Expansion Explained: What Drives Actually Work
ComparisonXbox Game Pass vs PlayStation Plus: What You Actually Get
GuidePC Building Basics: What You Actually Need Before Your First Build
