Sigma 85mm F1.4 EX DG HSM Technical Specs

DESIGNED FOR USE WITH FULL FRAME DIGITAL CAMERAS. MAY ALSO BE USED WITH SMALLER APS-C SIZE SENSORS WITH A CORRESPONDING EFFECTIVE INCREASE IN FOCAL LENGTH TO ABOUT 127.5MM WITH MOST CAMERAS
HSM (HYPER-SONIC MOTOR) ENSURE A QUIET, HIGH SPEED AUTOFOCUS AND FULL-TIME MANUAL FOCUSING CAPABILITY
SLD (SPECIAL LOW DISPERSION) GLASS ELEMENT AND GLASS MOLD ELEMENTS FOR SUPERIOR OPTICAL PERFORMANCE
MINIMUM FOCUSING DISTANCE OF 33.5”
A LENS HOOD, HOOD ADAPTER, FRONT & REAR LENS CAPS AND CARRYING CASE ARE INCLUDED WITH THE LENS.

Estimated Retail Price
$1,400.00
Lens Construction
11 Elements in 8 Groups
Angle of View
28.6
Number of Diaphragm Blades
9
Mininum Aperture
f16
Minimum Focusing Distance
85 cm / 33.5 in
Filter Size
77mm
Maximum Magnifications
1:8.6
Dimensions (Diameter x Length)
86.4x87.6 mm/3.4x3.4 in
Weight
725g / 25.6oz.


Sigma 85mm f/1.4 EX DG HSM Large Aperture Medium Telephoto Prime Lens for Nikon Digital SLR Cameras

Comments

Post a Comment

Popular posts from this blog

Canon EF 800mm f/5.6L IS USM Super Telephoto Prime Lens Features & Technical Specs

Image
THIS IS THE LONGEST TELEPHOTO LENS AMONG CANON'S LINEUP, AND A TERRIFIC CHOICE FOR ANY LONG-DISTANCE APPLICATION-OUTDOOR SPORTS, WILDLIFE, NEWS PHOTOJOURNALISM, AND SO ON. IT'S ACTUALLY LIGHTER THAN CANON'S EF 600MM F/4L IS LENS, WEIGHING JUST UNDER 10 LBS. IT USES A REFINED OPTICAL DESIGN, WITH TWO FLUORITE LENS ELEMENTS, ONE UD ELEMENT, AND ONE SUPER-UD-GLASS ELEMENT, FOR OUTSTANDING CORRECTION OF COLOR FRINGING AND SUPERB CONTRAST AND SHARPNESS. THIS SUPER-TELEPHOTO LENS USES MAGNESIUM-ALLOY BARREL CONSTRUCTION TO ENHANCE ITS LIGHT WEIGHT, AND HAS WEATHER-RESISTANT GASKETS THROUGHOUT FOR USE IN HARSH CONDITIONS. IT'S COMPATIBLE WITH BOTH THE EF 1.4X II AND 2X II TELE EXTENDERS FOR EVEN MORE REACH: EOS CAMERAS WITH 45 AF POINTS WILL CONTINUE TO PROVIDE AUTOFOCUS AT THE CENTER AF POINT WHEN THE LENS IS USED WITH THE 1.4X EXTENDER. FINALLY, IT'S IMAGE STABILIZED, PROVIDING UP TO 4 STOPS OF CORRECTION FOR CAMERA SHAKE. THIS MAKES IT EVEN MORE PRACTICAL IN MANY
Read more

Creating Orthomosaic Using Drone Images

Image
In this article we will create an orthomosaic using drone images which can be used as an aerial view map of an area you intend to capture. First of all, we need a drone that uses GNSS (Global Navigation Satellite System) for the aerial survey.  You can use most DJI drones depending on the mapping apps that you're going to use. Here are the mobile apps which can be used for mapping:      - DJI GS Pro     - Pix4D     - Map Pilot Pro     - Drone Deploy     - UGCS     - DJI Pilot 2 These are the common settings which we can find in mapping apps: GSD : also known as Ground Sample Distance is usually measured in cm/pixel. Lower numbered GSD means better resolution and quality of images. Numbers less than 3cm/px are a good starting point. Also, flying height dictates the gsd resolution, higher altitude = high gsd.  Flight Height or Altitude: This will determine the gsd of your project. 60-120m (200-400ft) should be good altitude depending on how large the area you are going to survey. Fo
Read more