![Three Nikon and Two Sigma Lenses Tested with Kenko Pro 1.4x and 2.0x Telextenders](https://a4.pbase.com/g1/39/763839/3/126639183.MqTYdviu.jpg) Three Nikon and Two Sigma Lenses Tested with Kenko Pro 1.4x and 2.0x Telextenders
by Harry Lavo
| ![Critter Lake, Extreme Optics: Sep. 4 08](https://a4.pbase.com/g3/11/771411/3/102704973.k7YoNbvL.jpg) Critter Lake, Extreme Optics: Sep. 4 08
by Tony Long
| ![4 Ways to 300mm](https://a4.pbase.com/g4/39/763839/3/133590652.6rPVgy6M.jpg) 4 Ways to 300mm
by Harry Lavo
| ![ReefBird Preening 300 F4](https://a4.pbase.com/u11/nowhereatoll/medium/35142615.DSC_0045BirdFxSh_Sm.jpg) ReefBird Preening 300 F4
by no body
| ![Nikon D1X, D7000 vs D300 Resolution with Tele Lens](https://a4.pbase.com/g3/39/763839/3/122769252.3ADfU2ra.jpg) Nikon D1X, D7000 vs D300 Resolution with Tele Lens
by Harry Lavo
|
![Miscellaneous D1H Telephoto Shots](https://a4.pbase.com/g3/39/763839/3/96473873.KDnZJAd3.jpg) Miscellaneous D1H Telephoto Shots
by Harry Lavo
| ![Tests](https://a4.pbase.com/g3/13/3613/3/122565758.DBhbBsoJ.jpg) Tests
by Tom
| ![Eagles In Maryland](https://a4.pbase.com/g6/73/92273/3/71024114.GoDnFeZ8.jpg) Eagles In Maryland
by Dan C. .
| ![SIGMA 150-500MM F5-6.3 APO DG OS](https://a4.pbase.com/g1/29/499529/3/146193081.40IHIxfX.jpg) SIGMA 150-500MM F5-6.3 APO DG OS
by Lloyd Prudhomme
| ![Nikon 80-200 2.8D ED IF & Sigma 70-300 APO Lens Tests w,w/o Extenders (Work in Progress) (](https://a4.pbase.com/g6/39/763839/3/82091968.VUG8H3qD.jpg) Nikon 80-200 2.8D ED IF & Sigma 70-300 APO Lens Tests w,w/o Extenders (Work in Progress) (
by Harry Lavo
|