photo:canonef8-15mml
Table of Contents
Canon EF 8-15mm f/4L fisheye zoom lens
see also:
introduction
- a unique lens introduced in 2011
- world 1st fisheye zoom lens going from a circular fisheye at 8mm to a 180deg diagonal view covering the full frame at 15mm
specs
- 8mm circular fisheye zooming to 15mm rectilinear fisheye
- LIMIT switch prevents the lens from zooming any wider than 10mm
- gives full frame fisheye at 10mm on APS-C cameras, at 12mm on APS-H cameras and at 15mm on full frame cameras
- 14 elements in 11 groups, 1x aspherical and 1x UD element, floating system
- flourine coating to reduce fingermarks, etc
- rear gelatin drop-in filter slot
- IR marker
- 7 rounded blades
- USM AF with full time MF
- close focus 0.15m giving 0.34x magnification
- 78.5mm x 83mm long
- 540g
- plastic bayonet hood and lens cap attaches to hood - both must be removed at 8mm
- weather sealing at mount
- $US1400
reviews
-
- image gets smaller as focused more closely
- minimal flare but some lat. CA towards edges
- sunstars are muted, and only visible at the smallest apertures
-
- centre sharpness is best at f/4 but overall sharpness best at f/5.6 at 15mm and at f/8 at 8mm
- 2.3px lat CA at edges at 15mm
photo/canonef8-15mml.txt · Last modified: 2015/07/04 14:20 by gary1