math guy

Lives in United States PA, United States
Works as a Teacher
Joined on Dec 24, 2009

math guy's current gear

Pentax K-3
Pentax K-50
Pentax smc DA 18-55mm F3.5-5.6 AL WR
Pentax smc DA 21mm F3.2 AL Limited
Pentax smc DA 35mm F2.4 AL
Pentax smc DA 50-200mm F4-5.6 ED WR
outstanding landscape lens; size makes it great for hiking
great people lens -- excellent bokeh
DA-L (kit) version
Pentax smc DA 70mm F2.4 AL Limited
Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO
amazing IQ!
Other gear:
  • Focal 135mm F2.8 manual focus, closer to F3.5
  • Pentax smc A 50mm F1.7 good lens for shallow DoF portraits
  • Sigma 17-70mm F2.8-4.5 Macro not bad for a walk-around zoom; a little on the heavy side

math guy's wish list

Sorted by most recently added.

Pentax smc DA* 50-135mm F2.8 ED (IF) SDM
Sigma 18-35mm F1.8 DC HSM Art
Samyang 8mm F3.5 Aspherical IF MC Fisheye
Pentax smc D-FA 100mm F2.8 Macro WR

math guy's previous gear

Pentax K-x
Pentax smc DA 15mm F4 ED AL Limited
Pentax smc DA 55-300mm F4.0-5.8 ED
great lens, just couldn't get a feel for the focal length