Ricoh GR vs Nikon coolpix A Specification comparison review, both features almost same core specification take a look at the major difference below.
Ricoh GR and Nikon Coolpix A features same type of APS-C sensor and ISO range + both camera doesn’t have OPLF (Optical low-pass filter), So you will get approx same image quality from both the camera.
Nikon Coolpix A features Image stabilization, on the other hand Ricoh GR offers you better display, more shutter range and light-weight body with affordable price tag.
Verdict: We recommend you Ricoh GR, Both camera features approx same specification, Nikon coolpix offers you Image stabilization but you have to pay approx $300 extra.
Its almost confirmed that Panasonic LF1 (Pro-Compact Camera) and G6 coming next week, Panasonic may also re-new 14-140mm Lumix G Vario lens. The Panasonic LF1 will feature fixed zoom lens and built-in viewfinder. more info coming soon…
Sigma officially announced the rumored 18-35mm f/1.8 DC HSM lens, world’s first wide-aperture lens to offer an aperture of F1.8 throughout the zoom range, the lens captures sharp images even at wide end with F1.8 aperture,the lens is designed for APS-C format DSLRs and SLT,
Sigma 18-35mm f/1.8 Key Features
18-35mm, 27.5-52.5mm equivalent
Constant f/1.8 aperture – f/16 minimum
9 rounded diaphragm blades
17 elements in 12 groups
Special Low Dispersion (SLD) glass
A – Art series lens
72mm filter thread
Internal focusing and zooming
Super Multi-Layer Coating
AF/MF switch on side
28cm closest focus distance
1:4.3 maximum magnification ratio
Hyper Sonic Motor (HSM)
78x121mm (diameter x length)
810g
“To develop a large aperture zoom lens with a maximum aperture of F1.8, it was necessary to solve a variety of technical challenges.” – Sigma
To develop a large aperture zoom lens with a maximum aperture of F1.8, it was necessary to solve a variety of technical challenges. As the f-number decreases, so does the depth of focus, making it extremely difficult to minimize spherical aberration, axial chromatic aberration, astigmatism and field curvature. To minimize astigmatism across the zoom range, Sigma leveraged its extensive experience in reducing optical aberrations and designing advanced structural elements. Sigma gained this know-how when it developed such super wide angle zoom lenses as the SIGMA12-24mm F4.5-5.6 II DG HSM and SIGMA 8-16mm F4.5-5.6 DC HSM. Ongoing technological innovation at Sigma’s Aizu Factory has also contributed to further enhancements in lens production. Advanced production technologies have made possible a large-diameter molded glass aspheric lens, which teams up with SLD (Special Low Dispersion) glass elements to optimize power distribution and minimize axial chromatic and spherical aberration and field curvature. Thanks to its hard-earned knowledge of lens design and advanced lens manufacturing techniques, Sigma has succeeded in creating a lens that offers F1.8 throughout the zoom range, as well as exceptional image quality at wide open aperture.
Sigam F1.8 Zoom Lens MTF Chart
Based on MTF chart, the lens look really very sharp at wide and tele-end.
Sigma 18-35mm F1.8 Lens Major Specification
Lens Construction
17 elements in 12 groups
Minimum aperture
F16
Filter size
φ72㎜
Angle of view (35mm equivalent)
76.5° – 44.2°
Minimum focusing distance
28cm/11.0in.
Dimensions (Diameter x Length)
φ78㎜x 121mm/3.1in. x 4.8in.
Number of diaphragm blades
9 (Rounded diaphragm)
Maximum magnification ratio
1：4.3
Weight
810g / 28.6oz.
No information about the pricing is available yet, but we will update you soon with latest price and Sigma 18-35mm f/1.8 DC HSM lens sample images, stay with us on G+, twitter and Facebook.
Ricoh finally announced the rumored Compact APS-C Sensor based compact camera, the Ricoh GR features 16.2MP APS-C size sensor, JPEG & RAW formats and the new GR Engine V Image Processor, 4 fps continuous shooting speed at full resolution, the camera also features No optical low-pass filter, so you get sharp, high resolution imaging and fast response time. The GR expansive ISO range from 100-25600, Full HD 1080p video @ 30fps and 60 fps in 720 HD.
The 28mm fixed lens features maximum aperture of f/2.8, comes with two aspherical elements to minimize aberrations. On the back side we have 3.0″ 1,230k-dot LCD. Nine image effects are also available to add creative expression to both your stills and videos. Image Effects include Retro, Cross-Process and High Key.
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Ricoh GR vs Nikon coolpix A Specification comparison review, both features almost same core specification take a look at the major difference below.
