Camera and Lens News and Reviews for the Week of April 6

Cameras

Sony Alpha 7S primed for summer debut
Full-frame Sony A7S bucks trend with fewer, larger pixels for great low-light shooting, native 4K video
Sony announces Alpha 7S full-frame mirrorless with 4:2:2 4k video output 
A first look at the Sony Alpha 7S 12MP full frame with 4K output 
Sony Alpha A7S 4K Mirrorless Camera Announced
New Gear: Sony A7S Camera Adds 4K video, ISO 409,600
Atomos Announces First 4K Recorder for Sony A7s 

JVC Kenwood to launch micro-four-thirds cameras
JVC Kenwood joins Micro Four Thirds with 4K Super 35 prototypes

Blackmagic Design announces Blackmagic URSA with 10-inch screen
New Gear: Blackmagic URSA 4K Camera Has Upgradeable Mount, Sensor  
Blackmagic Design launches Blackmagic Studio Camera 
Blackmagic URSA 4K Camera: $6k Professional Cinema Camera Announced
 
AJA enters cinema camera market with 4K Cion

Nikon Coolpix AW120 Review
Nikon D4s review
Nikon Df: New Nikon Shooter Blends Retro Charm and Modern Superpowers
Nikon 1 J4 added to lineup
Nikon primes Nikon 1 J4 for June debut
Nikon J4 announced in Europe, Asia; couples V3 features with J-series styling
Nikon Coolpix S810c with Android continues connectivity trend 
Nikon 1 J4 sports new sensor, improved AF system, and Wi-Fi 
Nikon Coolpix S810c Android Compact Camera
Nikon 1 J4 Mirrorless Interchangeable Lens Camera

Olympus OM-D E-M10 Review


Lenses

Panasonic Lumix G Leica DG Summilux 15mm f/1.7 ASPH  

Zeiss 55mm f/1.4 Otus lens review: Does this $4,000 monster beat the Sigma 50/1.4 Art?

New Nikon 18-300mm DX-format zoom launched
Nikon rolls out ‘compact’ 18-300mm DX lens
Nikon debuts lighter 18-300mm F3.5-6.3 to DX lens lineup 
Nikon AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR 
New Gear: Nikon AF-S DX NIKKOR 18-300mm F/3.5-6.3G ED VR Zoom Lens

Lomography Russar+ 20mm Art Lens Announced
Lomography launches Russar+ for L39 and M mount cameras 
Lomo Brings Back the Iconic, 50-Year-Old Russar MR-2 Wide Angle Lens

Sigma announces 50mm F1.4 DG HSM Art pricing and availability 
Lens Test: Sigma 50mm f/1.4 DG HSM Art Lens
Sigma 50mm F/1.4 DG HSM Art Lens Pricing Revealed!
Pentax, Sony variants of Sigma USB dock on the way; full-time MF coming for 50mm f/1.4 lens

Voigtlander Lens 25mm f/0.95 Version II 

Tamron prices impressively-compact 16-300mm superzoom lens
New Gear: Tamron 16-300mm F/3.5-6.3 DI II VC PZD Macro Zoom Lens


Other

Reflecta VisiLux Studio Flash Kit

Elinchrom D-Lite RX ONE To Go Kit: Compact And Versatile Monolights

Datacolor SpyderHD Calibration Suite

DxO Optics Pro 9 Software Review

Booq Python Mirrorless keeps camera at-hand

Atomos launches Shogun 4K external recorder 

Marumi Highest Grade UV Camera Filter