f-number.com » Focal Length http://f-number.com f/1.2 - f/32 and beyond... Tue, 09 Feb 2010 14:52:55 +0000 en hourly 1 http://wordpress.org/?v=3.0 AF-S NIKKOR 24mm f/1.4G ED http://f-number.com/2010/02/10/af-s-nikkor-24mm-f1-4g-ed/ http://f-number.com/2010/02/10/af-s-nikkor-24mm-f1-4g-ed/#comments Tue, 09 Feb 2010 14:50:09 +0000 f-number http://f-number.com/?p=298 Nikon has just announced the ultra fast 24mm f/1.4 FX prime lens.  Suitable for all Nikon FX range of DSLR, as well as the DX range of DSLR.

AF-S NIKKOR 24mm f/1.4G ED

Features at a glance:

  • 24mm fixed focal length
  • f/1.4 maximum aperture
  • Two ED lens elements
  • Two aspherical lens elements
  • Nano Crystal Coat
  • Silent Wave Motor for fast autofocus
  • M/A autofocus manual override
  • Filter size: 77mm
  • Dimension: 83 x 88.5 mm
  • Weight: 620g

More information on the Nikon web site:
http://nikon.com.my/productitem.php?pid=1370-5835c04823

mynikon.asia for the best possible price in Malaysian Ringgit (RM)

]]> http://f-number.com/2010/02/10/af-s-nikkor-24mm-f1-4g-ed/feed/ 0 AF-S NIKKOR 16-35mm f/4G ED VR Ultra Wide-Angle Zoom http://f-number.com/2010/02/10/af-s-nikkor-16-35mm-f4g-ed-vr/ http://f-number.com/2010/02/10/af-s-nikkor-16-35mm-f4g-ed-vr/#comments Tue, 09 Feb 2010 14:12:18 +0000 f-number http://f-number.com/?p=292 Nikon has just announced the new FX ultra wide-angle 16-35mm f/4 zoom lens, featuring the latest generation of VR II vibration reduction technology, and with a constant maximum aperture of f/4 for the entire zoom range.  The lens is suitable for the Nikon range of full frame FX DSLR, as well as the DX range of DSLR.

AF-S NIKKOR 16-35mm f/4G ED VR

Features at a glance:

  • Maximum f/4 aperture for the entire zoom range
  • Silent Wave Motor for fast autofocus
  • M/A manual focus override
  • VR II vibration redution
  • Nano Crystal Coat
  • Two ED lens elements
  • Three aspherical lens elements
  • Filter size: 77mm
  • Dimension: 82.5 x 125 mm
  • Weight: 680g

More information on the Nikon web site:
http://nikon.com.my/productitem.php?pid=1372-f611f88dc8

mynikon.asia for the best possible price in Malaysian Ringgit (RM)

]]> http://f-number.com/2010/02/10/af-s-nikkor-16-35mm-f4g-ed-vr/feed/ 0 Nikon AF-S NIKKOR 300mm f2.8G ED VR II http://f-number.com/2010/01/08/nikon-af-s-nikkor-300mm-f2-8g-ed-vr-ii/ http://f-number.com/2010/01/08/nikon-af-s-nikkor-300mm-f2-8g-ed-vr-ii/#comments Fri, 08 Jan 2010 12:28:48 +0000 f-number http://f-number.com/?p=285 Nikon has just announced an updated version of the AF-S Nikkor 300mm f/2.8 lens, incorporating the latest VR II vibration reduction system, Nano Crystal Coating, and a new A/M focus mode which prevents accidental switching from autofocus to manual focus.

AF-S NIKKOR 300mm f2.8G ED VR II

Specifications at a glance:

  • Lens construction: 11 Elements / 8 Groups (3 ED glass elements, Nano Crystal Coat)
  • Maximum aperture: f/2.8
  • Closest focusing distance: 2.3 m in AF mode (2.2 in MF mode).
  • Maximum reproduction ratio: 0.16x
  • Dimension:124 x 267.5 mm
  • Weight: 2,900g

More information on the Nikon web site:
http://www.nikon.com.au/productitem.php?pid=1355-546c3e90d6

]]> http://f-number.com/2010/01/08/nikon-af-s-nikkor-300mm-f2-8g-ed-vr-ii/feed/ 0 Nikon AF-S DX Micro NIKKOR 85mm f/3.5G ED VR http://f-number.com/2009/10/17/nikon-af-s-dx-micro-nikkor-85mm-f3-5g-ed-vr/ http://f-number.com/2009/10/17/nikon-af-s-dx-micro-nikkor-85mm-f3-5g-ed-vr/#comments Sat, 17 Oct 2009 08:39:56 +0000 f-number http://f-number.com/?p=268 Nikon has just announced their first DX macro lens, suitable for all DX format Nikon DSLR.

AF-S DX Micro NIKKOR 85mm f/3.5G ED VR

The lens incorporates the latest VR II vibration reduction system, Silent Wave Motor for quiet and efficient auto focus, ED lens elements for high contrast, and has a reproduction ration of 1:1 and closest focusing distance of 28.6cm.  The 35mm equivalent focal length is 127.5mm when used on DX format DSLR.

Specifications at a glance:

  • Focal length: 85mm (127.5mm equivalent)
  • Maximum aperture: f/3.5
  • Closest focusing distance: 0.286m/0.9 ft.
  • Reproduction ratio: 1:1
  • Filter size: 52mm
  • Weight: 355g

More information on the Nikon web site:
http://www.nikon.com.au/productitem.php?pid=1352-155ca6f546

]]> http://f-number.com/2009/10/17/nikon-af-s-dx-micro-nikkor-85mm-f3-5g-ed-vr/feed/ 0 Carl Zeiss Distagon T* 2/28 for Canon EF http://f-number.com/2009/10/17/carl-zeiss-distagon-t-228-for-canon-ef-bayonet/ http://f-number.com/2009/10/17/carl-zeiss-distagon-t-228-for-canon-ef-bayonet/#comments Sat, 17 Oct 2009 08:13:51 +0000 f-number http://f-number.com/?p=262 Carl Zeiss has just introduced the wide-angle Distagon T* 2/28 ZE which is compatible with the Canon EF bayonet lens mount.

Carl Zeiss Distagon T* 2/28

Specification at a glance:

  • Focal length: 28mm
  • Aperture range: f/2 – f/22
  • Closest focusing distance: 0.24m
  • Filter size: 58mm
  • Weight: 580g
  • Magnification: 1:4.7

More information on the Carl Zeiss web site:
http://www.zeiss.com/C1256A770030BCE0/WebViewAllE/F5152BEC68B0B8C0C125764A00245BC5

]]> http://f-number.com/2009/10/17/carl-zeiss-distagon-t-228-for-canon-ef-bayonet/feed/ 0 Carl Zeiss Distagon T* 18mm f/3.5 for Canon EF http://f-number.com/2009/09/14/carl-zeiss-distagon-t-18mm-f3-5-canon-ef/ http://f-number.com/2009/09/14/carl-zeiss-distagon-t-18mm-f3-5-canon-ef/#comments Mon, 14 Sep 2009 12:01:46 +0000 f-number http://f-number.com/?p=238 Carl Zeiss has just announced the Distagon T* 18mm f/3.5 lens, compatible with the Canon EF mount.  This is in addition to the existing Nikon F mount and Pentax K mount.

Carl Zeiss Distagon T* 18mm f/3.5 Canon EF

Specification at a glance:

  • Focal length: 18mm
  • Aperture range: f/3.5 – f/22
  • Closest focusing distance: 0.3m
  • Filter size: 82mm
  • Weight: 510g

More information at the Carl Zeiss web site:
http://www.zeiss.com/C12567A8003B58B9/ContentsWWWIntern/E0943E181906E994C125746C0053918C#1

]]> http://f-number.com/2009/09/14/carl-zeiss-distagon-t-18mm-f3-5-canon-ef/feed/ 0 Canon EF-S 18-135mm f/3.5-5.6 IS http://f-number.com/2009/09/07/canon-ef-s-18-135mm-f3-5-5-6-is/ http://f-number.com/2009/09/07/canon-ef-s-18-135mm-f3-5-5-6-is/#comments Mon, 07 Sep 2009 12:53:48 +0000 f-number http://f-number.com/?p=220 A second lens introduced at the same time as the Canon EOS 7D DSLR is the EF-S 18-135mm f/3.5-5.6 IS.

Canon EF-S 18-135mm f/3.5-5.6 IS

This is an APS-C crop factor lens, with a 35mm equivalent focal range is 29-216mm.  Filter diameter is 67mm, overall weight is 455g.

More information at the Canon web site:
http://canon.com.au/products/cameras_lenses_accessories/standard_zoom_lenses/efs18-135mmf35-56IS.aspx

]]> http://f-number.com/2009/09/07/canon-ef-s-18-135mm-f3-5-5-6-is/feed/ 0 Canon EF-S 15-85mm f/3.5-5.6 IS USM http://f-number.com/2009/09/07/canon-ef-s-15-85mm-f3-5-5-6-is-usm/ http://f-number.com/2009/09/07/canon-ef-s-15-85mm-f3-5-5-6-is-usm/#comments Mon, 07 Sep 2009 12:43:46 +0000 f-number http://f-number.com/?p=215 In conjunction with the EOS 7D DSLR announcement, Canon has also introduced the new EF-S 15-85mm f/3.5-5.6 IS USM, an APS-C format zoom lens.

Canon EF-S 15-85mm f/3.5-5.6 IS USM

The lens has an effective 35mm equivalent focal range of 24-136mm.  Closest focusing distance is maintained at 0.35m throughout the entire zoom range.  Filter diameter is 72mm.

More information at the Canon web site:
http://canon.com.au/products/cameras_lenses_accessories/standard_zoom_lenses/efs15-85mmf35-56ISUSM.aspx

]]> http://f-number.com/2009/09/07/canon-ef-s-15-85mm-f3-5-5-6-is-usm/feed/ 0 Canon EF 100mm f/2.8L Macro IS USM http://f-number.com/2009/09/07/canon-ef-100mm-f2-8l-macro-is-usm/ http://f-number.com/2009/09/07/canon-ef-100mm-f2-8l-macro-is-usm/#comments Mon, 07 Sep 2009 12:22:29 +0000 f-number http://f-number.com/?p=209 Canon has just announced the first lens with the new Hybrid IS technology, the full frame EF 100 mm f/2.8L Macro IS USM.  This is also the first Canon macro lens to carry the “L” designation reserved for the flagship and professional range.

Canon EF 100mm f/2.8L Macro IS USM

Features at a glance:

  • Hybrid IS – shift direction Image Stabilizer function in addition to conventional Image Stabilizer
  • Circular aperture with 9 blades
  • Inner focusing with USM
  • Full time manual focus override
  • Closest focusing distance of 0.3 m
  • Filter diameter 67mm
  • Length 123mm
  • Weight 625g

More information at the Canon web site:
http://canon.com.au/products/cameras_lenses_accessories/macro_lenses/ef100mmf28LmacroISUSM.aspx

]]> http://f-number.com/2009/09/07/canon-ef-100mm-f2-8l-macro-is-usm/feed/ 0 Sony 28-75mm f/2.8 SAM Lens http://f-number.com/2009/08/29/sony-28-75mm-f2-8-sam-lens/ http://f-number.com/2009/08/29/sony-28-75mm-f2-8-sam-lens/#comments Fri, 28 Aug 2009 14:19:55 +0000 f-number http://f-number.com/?p=202 Sony has just announced the full frame 28-75mm f/2.8 SAM lens, a fast standard zoom for the Sony Alpha series of full frame DSLR, and in particular the Sony Alpha A850 which was announced at the same time.

Sony 28-75mm f/2.8 SAM

More information at the Sony web site:
http://news.sel.sony.com/en/press_room/consumer/digital_imaging/digital_cameras/dslr/release/41559.html

]]> http://f-number.com/2009/08/29/sony-28-75mm-f2-8-sam-lens/feed/ 0