GarfieldNgo
11-11-2012, 07:42 AM
Tamron SP 70-200mm f/2.8 Di VC USD $1,499.00
Focal length: 70-200mm
Maximum aperture: F/2.8
Angle of view (diagonal): 34°21′- 12°21′ (with full-size SLR cameras)
22°33′- 7°59′ (with APS-C sized sensor digital SLR cameras)
Lens construction: 23 elements in 17 groups
Minimum focus distance: 1.3m (51.2 in)
Maximum magnification ratio: 1: 8 (at f=200mm: MFD 1.3m)
Filter size: Ø 77mm
Length*1: 188.3mm (7.4 in)*
Entire length*2: 196.7mm (7.7 in)*
Diameter: Ø 85.8mm
Weight: 1470g (51.9 oz)*(including detachable tripod mount)
No. of diaphragm blades: 9 (rounded diaphragm)
Minimum aperture: F/32
Standard accessory: Flower-shaped lens hood
Compatible mounts: Canon, Nikon, Sony
http://www.photographyblog.com/images/sized/images/uploads/tamron_70_200mm_vc-550x286.jpg
Tamron 90mm f/2.8 SP Di MACRO 1:1 VC USD $849.00
Focal length: 90mm
Maximum aperture: F/2.8
Angle of view (diagonal): 27°02′ (with full-size SLR cameras)
17°37′ (with APS-C sized sensor digital SLR cameras)
Lens construction: 14 elements in 11 groups
Minimum focus distance: 0.3m (11.8 in)
Maximum magnification ratio: 1: 1
Working distance: 139mm (5.5 in)
Filter size: Ø 58mm
Length*1: 114.5mm (4.5 in)*
Entire length*2: 122.9mm (4.8 in)*
Diameter: Ø 76.4mm
Weight: 550g (19.4 oz)*
No. of diaphragm blades: 9 (rounded diaphragm)
Minimum aperture: F/32
Standard accessory: Lens hood
Compatible mounts: Canon, Nikon, Sony
http://www.photographyblog.com/images/sized/images/uploads/tamron_90mm_macro_vc_usd-550x326.jpg
=========================================
Chả biết Tamron đánh vào thị trường nào nữa.... Tamron 90 macro VC USD sao cạnh tranh nổi Canon 100L. Ngoại trừ những ai thích khẩu lớn thôi, chứ với già tiền $1.400 thì cầm Canon 70 200 f4 IS vẫn hay hơn
Focal length: 70-200mm
Maximum aperture: F/2.8
Angle of view (diagonal): 34°21′- 12°21′ (with full-size SLR cameras)
22°33′- 7°59′ (with APS-C sized sensor digital SLR cameras)
Lens construction: 23 elements in 17 groups
Minimum focus distance: 1.3m (51.2 in)
Maximum magnification ratio: 1: 8 (at f=200mm: MFD 1.3m)
Filter size: Ø 77mm
Length*1: 188.3mm (7.4 in)*
Entire length*2: 196.7mm (7.7 in)*
Diameter: Ø 85.8mm
Weight: 1470g (51.9 oz)*(including detachable tripod mount)
No. of diaphragm blades: 9 (rounded diaphragm)
Minimum aperture: F/32
Standard accessory: Flower-shaped lens hood
Compatible mounts: Canon, Nikon, Sony
http://www.photographyblog.com/images/sized/images/uploads/tamron_70_200mm_vc-550x286.jpg
Tamron 90mm f/2.8 SP Di MACRO 1:1 VC USD $849.00
Focal length: 90mm
Maximum aperture: F/2.8
Angle of view (diagonal): 27°02′ (with full-size SLR cameras)
17°37′ (with APS-C sized sensor digital SLR cameras)
Lens construction: 14 elements in 11 groups
Minimum focus distance: 0.3m (11.8 in)
Maximum magnification ratio: 1: 1
Working distance: 139mm (5.5 in)
Filter size: Ø 58mm
Length*1: 114.5mm (4.5 in)*
Entire length*2: 122.9mm (4.8 in)*
Diameter: Ø 76.4mm
Weight: 550g (19.4 oz)*
No. of diaphragm blades: 9 (rounded diaphragm)
Minimum aperture: F/32
Standard accessory: Lens hood
Compatible mounts: Canon, Nikon, Sony
http://www.photographyblog.com/images/sized/images/uploads/tamron_90mm_macro_vc_usd-550x326.jpg
=========================================
Chả biết Tamron đánh vào thị trường nào nữa.... Tamron 90 macro VC USD sao cạnh tranh nổi Canon 100L. Ngoại trừ những ai thích khẩu lớn thôi, chứ với già tiền $1.400 thì cầm Canon 70 200 f4 IS vẫn hay hơn