Recent Top 5 lens in Japan

Read an article about top 5 interchangeable lens in Japan a few days ago with brief detail.  Hence, I did some research about these lens and post it here:

1. Canon EF 50 F1.8 II 

Focal Length & Maximum Aperture	50mm 1:1.8
Lens Construction	6 elements in 5 groups
Diagonal Angle of View	46°
Focus Adjustment	Overall linear extension system with Micromotor
Closest Focusing Distance	0.45m / 1.5 ft.
Filter Size	52mm
Max. Diameter x Length, Weight	2.7" x 1.6", 4.6 oz. / 68.2 x 41.0mm, 130g

Canon EF 50mm F1.8 II Lens

2. Olympus M.ZD 45/1.8

Mount Standard  Micro Four Thirds System Standard Focal Length  45mm      35mm Equivalent Focal Length  90mm Lens Construction  9 Elements in 8 Groups        2 E-HR lenses Angle of View  27 Degree AF System  High-speed Imager AF(MSC) Closest Focusing Distance  0.5m Maximum Image Magnification  0.11x      35mm Equivalent Max. Image Magnification       0.22x Minimum Field Size   118 x 157 mm Number of Blades  7 (Circular Aperture Diaphragm) Maximum Aperture  f1.8 Minimum Aperture  f22 Filter Size  Diameter 37mm Dimensions  Diameter 56 x 46mm Weight  116g
Olympus M.ZD 45/1.8 Lens

3. Nikon AF-S DX 35/1.8G

• Mount Type  Nikon F-Bayonet
• Focal Length 35mm
• Maximum Aperture f/1.8
• Minimum Aperture f/22
• Autofocus
  Yes
• AF-S (Silent Wave Motor)
  Yes
• Minimum Focus Distance
  0.98 ft. (0.3m)
• Focus Mode
  Auto
  Manual
  Auto/Manual
• Filter Size
  52mm
• Accepts Filter Type
  Screw-on

Nikon AF-S DX 35/1.8G

4. Canon EF 40/F2.8 STM

• Focal Length & Maximum Aperture: 40mm, 1:2.8
• Lens Construction: 6 elements in 4 groups
• Diagonal Angle of View: 57 degrees 30'
• Focus Adjustment: Inner Focusing System
• Closest Focusing Distance: 0.98 ft./0.3m
• Filter Diameter: 52mm
• Max. Diameter x Length: 2.7 x 0.9 inch, 4.6 oz. / 68.2 x 22.8mm
• Weight: 130g

Canon EF 40/F2.8 STM Lens

5. Panasonic 45-175/F4.5-5.6  ASPH/Power OIS

• Lens Construction: 14 elements in 10 groups (2 aspherical lenses , 2 ED lens)
• Nano Surface Coating: Yes
• Mount Micro Four Thirds mount
• Optical Image Stabilizer: POWER OIS
• Focal Length: f=45-175mm (35mm camera equivalent 90-350mm)
• Aperture Type: 7 diaphragm blades / Circular aperture diaphragm
• Aperture Range: F4.0(Wide) - F5.6(TELE)
• Minimum Aperture: F22
• Closest Focusing Distance: 0.9m / 3.0ft
• Maximum Magnification: Approx. 0.2x / 0.4x (35mm camera equivalent)
• Diagonal Angle of View: 27°(Wide) to 7.1°(TELE)
• Filter Size: 46mm / 1.8in
• Max. Diameter: 61.6mm / 2.4in
• Overall Length: Approx. 90.0mm (from the tip of the lens to the base side of the lens mount) / 3.5in
• Weight: Approx. 210g / 7.4oz (excluding lens cap and lens rear cap)
• Standard Accessories: Lens cap, Lens rear cap, Lens storage bag, Lens hood
• Others: Electric zoom lever, Manual focus ring, Manual zoom ring

Panasonic 45-175/F4.5-5.6  ASPH/Power OIS Lens

6. Canon EF 100/2.8L IS USM

Image Circle	35mm
Type	Telephoto Prime Macro
Focal Length	100mm
APS Equivalent	160mm
Max Aperture	ƒ/2.8
Min Aperture	ƒ/32
Diaphragm Blades	9 (rounded)
Lens Construction	15 elements in 12 groups, including 1 UD lens element
Diagonal Angle of View (Based on image circle)	23.4 degrees
Focus Details	Full-time manual focus with USM; 3 position focus limiter
Front Element Rotation	No
Zoom System	n/a
Closest Focus	0.3m / 11.8 in.
Magnification Ratio	1.0x / 1:1
Filter Size	67mm
Dimensions (Length x Diameter)	123mm x 78mm / 4.8 in. x 3.1 in.
Weight	625g / 22 oz
Notes	Image Stabilization: 4-stops; 3-stops at 0.5x magnification; 2-stops at 1.0x magnification

Canon EF 100/2.8L IS USM Lens

7. Tamron AF 18-200/3.5-6.3 XR DI II

      Elements: 15 elements in 13 groups

     Filter Size: 62 mm

     Diaphragm: Seven blades, well rounded at large apertures.

     Marked Focal Lengths: 18, 35, 50, 70, 100, 135 and 200 mm.

     Close Focus: 18" (0.45m) at all focal lengths.

     Size: 3.3" (84 mm) long by 2.9" (74 mm) diameter.

    Weight: 14 oz. (400 g).

     Available Mounts: Nikon, Canon, Konica Minolta and Pentax.

Tamron AF 18-200/3.5-6.3 XR DI II Lens

8. Panasonic Lumix G 20/1.7 ASPH

• F1.7 brightness fixed focal length lens produces bright photos with dramatic soft focus
• Two aspherical lenses for superb optical performance
• Contrast AF system support
• Circular aperture diaphragm
• Multiple lens coating minimizes ghosts and flare
• Durable metal mount
• Included accessories: Lens cap, Lens rear cap, Lens storage bag

Panasonic Lumix G 20/1.7 ASPH Lens

9. Panasonic 12-35/2.8 ASPH Power O.I.S

• F 2.8 brightness over the entire zoom range
• Splash and Dustproof design
• Nano Surface Coating technology for dramatic reduction of ghost and flare
• UED (Ultra Extra-Low Dispersion) lens minimizes chromatic aberration
• UHR (Ultra High Refractive) lens realizes highly detailed corner-to-corner performance
• POWER O.I.S (Optical image stabilizer) suppresses large, slow movement 2x more effectively*¹
• Very compact and lightweight
• Circular aperture diaphragm
• Durable metal mount
• Included accessories: Lens cap, Lens hood, Lens rear cap, Lens storage bag

Panasonic 12-35/2.8 ASPH Power O.I.S Lens

10. Canon EF 70-200/2.8 L IS II USM

Focal Length & Maximum Aperture	70-200mm 1:2.8
Lens Construction	23 elements in 19 groups (1 Fluorite and 5 UD elements)
Diagonal Angle of View	34° - 12°
Focus Adjustment	Inner focusing system with USM. Full-time manual focus available
Closest Focusing Distance	1.2m/3.94 ft. (maximum close-up magnification: 0.21x)
Filter Size	77mm
Max. Diameter x Length, Weight	3.5 x 7.8 in./88.8 x 199mm; 52.6 oz./1490g
Lens Cap, Lens Hood and Pouch	Lens Hood ET-87

Canon EF 70-200/2.8 L IS II USM Lens

 (Source:http://dc.it168.com/)