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 smc PENTAX DA 70mm f 24 Limited Exc+ $468.00 Time Remaining: 29d 20h 21m Buy It Now for only: $468.00 |
 Pentax SMC P DA 70 mm F 24 Limited Lens w 49mm B+W F Pro filterbox accessor $420.00 Time Remaining: 2d 9h 51m Buy It Now for only: $475.00 |
 smc PENTAX DA 21mm f 32 AL Limited Exc+ $458.00 Time Remaining: 29d 20h 21m Buy It Now for only: $458.00 |
 Multi Listing 70 210mm Auto Focus Lens Canon EF camera 45 day Limited Warranty $65.00 Time Remaining: 28d 13h 43m Buy It Now for only: $65.00 |
 Pentax 77mm f 18 SMC FA Limited Lens 0023205 Free Shipping $699.00 Time Remaining: 9d 11h 24m Buy It Now for only: $699.00 |
 NEW MARUMI 49MM MC UV JAPAN Filter For Pentax FA43mmF19 Limited FA77mm LENS $18.50 Time Remaining: 29d 3h 24m Buy It Now for only: $18.50 |
 FishEye Limited Edition for CANON EOS T3i 60Da T3 T2i 7D 60D XTi XSi XT XS $39.99 Time Remaining: 27d 3h 44m Buy It Now for only: $39.99 |
 Multi Listing 200mm Lens M42 Pentax Spotmatic camera 45 day Limited Warranty $35.00 Time Remaining: 29d 13h 8m Buy It Now for only: $35.00 |
 Pentax SMC DA 40 mm F 28 Limited Lens $300.00 Time Remaining: 2d 10h Buy It Now for only: $339.00 |
 smc PENTAX FA 43mm f 19 Limited Exc+ $628.00 Time Remaining: 25d 20h 21m Buy It Now for only: $628.00 |
 135mm F28 F35 Telephoto lens for Canon FD FL mount 45 day Limited Warranty $30.00 Time Remaining: 18d 5h 25m Buy It Now for only: $30.00 |
 Leica Summilux 50mm 14 BLACK PAINT resundsbroen LIMITED EDITION BRAND NEW $4,499.00 Time Remaining: 2d 9h 44m Buy It Now for only: $4,499.00 |
 Pentax 40mm 28 limited Open box unused sharp superb contrast and bokeh $389.00 Time Remaining: 6d 5h 45m Buy It Now for only: $389.00 |
 Limited Summilux L 50mm f 14 Silver for Leica LTM M39 50 F14 M8 M9 007803 $2,950.00 Time Remaining: 29d 53m Buy It Now for only: $2,950.00 |
 Limited M Hexanon 50mm f 12 Titanium Hexanon fit Leica M9 Noctilux 50 007609 $2,849.05 Time Remaining: 29d 1h 36m Buy It Now for only: $2,849.05 |
 Multi Listing Manual Focus Zoom Lens for Konica AR 45 day Limited Warrant $20.00 Time Remaining: 7d 14h 30m Buy It Now for only: $20.00 |
 Pentax SMC FA 43mm f 19 Limited Silver EXC $549.99 Time Remaining: 3d 20h 16m |
 Pentax SMCP FA 77mm f 18 Limited Edition Black Finish Telephoto Lens 27980 $829.95 Time Remaining: 28d 7h 18m Buy It Now for only: $829.95 |
 smc PENTAX DA 70mm f 24 Limited Exc+ $478.00 Time Remaining: 27d 20h 21m Buy It Now for only: $478.00 |
 Zoom lens Pentax PK A mount range 28mm to 85mm 45 day Limited Warranty $30.00 Time Remaining: 10d 6h 52m Buy It Now for only: $30.00 |
 Super Wide Semi Fish Eye Lens Series 7 46mm 49mm 52mm 45 Day Limited Warranty $20.00 Time Remaining: 7d 14h 8m Buy It Now for only: $20.00 |
 Canon FD 50mm 114 Manual Focus lens FD mount 45 day Limited Warranty $95.00 Time Remaining: 22d 4h 46m Buy It Now for only: $95.00 |
 smc PENTAX DA 21mm f 32 AL Limited Exc+ $458.00 Time Remaining: 26d 20h 37m Buy It Now for only: $458.00 |
 Standard 50mm lens K mount for Pentax Film or DSLR 45 Day Limited Warranty $28.00 Time Remaining: 9d 7h 39m Buy It Now for only: $28.00 |
 Pentax SMC DA 40mm F 28 Limited Ltd Lens $280.00 Time Remaining: 1d 22h 19m |
 NEW Pentax smc DA 15mm f 4 ED AL Limited Lens K 5 K r $649.95 Time Remaining: 23d 8h 8m Buy It Now for only: $649.95 |
 Zoom lens Minolta MC MD mount range 28mm to 85mm 45 day Limited Warranty $20.00 Time Remaining: 10d 5h 30m Buy It Now for only: $20.00 |
 Multiple Listing range 28 80mm AF Lens For Canon EF 45 day Limited Warraty $50.00 Time Remaining: 12d 6h 35m Buy It Now for only: $50.00 |
 Multiple Listing 75 300mm Auto Focus Lens Nikon camera 45 day Limited Warranty $95.00 Time Remaining: 27d 7h 36m Buy It Now for only: $95.00 |
 28 70mm 28 80mm Zoom Lens Multi Listing for Nikon 45 day limited Warranty $35.00 Time Remaining: 22d 6h 21m Buy It Now for only: $35.00 |
 Multiple Listing 70 210mm AF Lens For Nikon F camera 45 day Limited Warraty $65.00 Time Remaining: 24d 4h 6m Buy It Now for only: $65.00 |
 Pentax SMC DA Limited 35 mm F 28 Macro Lens $300.00 (1 Bid) Time Remaining: 1d 19h 27m |
 Multiple Listing 75 300mm Zoom Lens For Nikon camera 45 day Limited Warraty $50.00 Time Remaining: 11d 15h 11m Buy It Now for only: $50.00 |
 28mm Wide Angle Lens FD mt for Canon AE 14 A1 F1 45 day Limited Warranty $30.00 Time Remaining: 21d 11h 29m Buy It Now for only: $30.00 |
 Multiple Listing 70 210mm AF Lens 4 Canon DSLR camera 45 day Limited Warraty $65.00 Time Remaining: 24d 10h 27m Buy It Now for only: $65.00 |
 PENTAX 21550 PENTAX SMCP DA 40MM F 28 ED DIGITAL AUTO FOCUS LIMITED EDITION L $386.74 Time Remaining: 20d 6h 5m Buy It Now for only: $386.74 |
 MS Optical Perar Super Triplet 28mm f4 NEW Limited $750.00 Time Remaining: 27d 3h 26m Buy It Now for only: $750.00 |
 100 300mm AF Lens Multi Listing 4 Minolta Sony Alpha 45 day limited Warranty $80.00 Time Remaining: 21d 10h 23m Buy It Now for only: $80.00 |
 Canon FD 135mm 125 Manual Focus lens FD mt 45 day Limited Warranty $120.00 Time Remaining: 24d 6h 58m Buy It Now for only: $120.00 |
 Limited Summilux L 50mm f 14 Silver for Leica LTM M39 50 F14 M8 M9 007452 $1,025.00 (20 Bids) Time Remaining: 4d 44m |
 Multiple Listing 70 150mm Lens K mount 4 Pentax camera 45 day Limited Warranty $25.00 Time Remaining: 25d 10h 35m Buy It Now for only: $25.00 |
 Multiple Listing 70 150mm MF Lens Canon FD mt camera 45 day Limited Warranty $25.00 Time Remaining: 27d 15h 53m Buy It Now for only: $25.00 |
 Multi Listing 200mm Lens 4 Canon FD camera A1 AE1 F1 45 day Limited Warranty $25.00 Time Remaining: 3d 5h 1m Buy It Now for only: $25.00 |
 Quantaray 35 70mm Auto Focus lens 4 Minolta Sony Alpha 45 day Limited Warranty $17.50 Time Remaining: 20d 13h 8m Buy It Now for only: $17.50 |
 Multi Listing 70 210mm AF Lens Minolta Sony Apha camera 45 day Limited Warraty $65.00 Time Remaining: 24d 14h 50m Buy It Now for only: $65.00 |
 Panasonic LEICA DG SUMMILUX 25mm F14 ASPH Lens H X025 Brand New Limited Sale $593.99 Time Remaining: 14d 9h 17m Buy It Now for only: $593.99 |
 Multi Listing 28 200mm Auto Focus Lens Minolta Sony Alpha 45 day Limited Warrant $100.00 Time Remaining: 6d 6h 38m Buy It Now for only: $100.00 |
 Pentax SMC DA 40 mm F 28 LIMITED Lens MINT BOXED w Original Packaging EUC++ $100.00 (1 Bid) Time Remaining: 3d 17h 49m |
 PENTAX DA 35mm F28 Macro Limited Lens SMC $815.00 Time Remaining: 29d 10h 35m Buy It Now for only: $815.00 |
 Multiple Listing 28 200mm AF Lens For Nikon F camera 45 day Limited Warraty $100.00 Time Remaining: 23d 6h 33m Buy It Now for only: $100.00 |
 Zoom 70 210mm Macro Lens For Pentax K Film or Digital 45 day Limited Warranty $27.00 Time Remaining: 10d 4h 13m Buy It Now for only: $27.00 |
 Multiple sizes Macro Close up Lens Your choice 45 day Limited Warranty $8.00 Time Remaining: 18d 8h 11m Buy It Now for only: $8.00 |
 70 210mm Zoom Lens For Canon FD mount AE 45 day Limited Warraty $30.00 Time Remaining: 10d 6h 58m Buy It Now for only: $30.00 |
 Zoom lens Canon FD mount range 28mm to 85mm 45 day Limited Warranty $30.00 Time Remaining: 20d 14h 43m Buy It Now for only: $30.00 |
 Pentax FA 77mm f18 Silver Limited Edition Lens BNIB $455.00 (6 Bids) Time Remaining: 3d 17h 30m |
 Fuji X Fujinon 50mm 116 DM Manual Focus Lens 45 Day Limited Warranty $55.00 Time Remaining: 7d 14h 33m Buy It Now for only: $55.00 |
 135mm Telephoto Lens MC MD mount for Minolta 45 Day Limited Warranty $25.00 Time Remaining: 9d 14h 27m Buy It Now for only: $25.00 |
 PENTAX DA 21mm F32 AL Limited Lens SMC Brand New $815.00 Time Remaining: 29d 10h 35m Buy It Now for only: $815.00 |
 smc PENTAX DA 40mm f 28 Limited Exc+ $358.00 Time Remaining: 26d 20h 36m Buy It Now for only: $358.00 |
 SMC Pentax DA 35mm 28 Macro Limited MINT $499.00 Time Remaining: 23d 21h Buy It Now for only: $499.00 |
 PENTAX DA 15mm F4 ED AL Limited Lens SMC Brand New $885.00 Time Remaining: 29d 10h 35m Buy It Now for only: $885.00 |
 Pentax SMCP DA 70mm f 24 Limited Series AF Lens NEW $549.00 Time Remaining: 13d 17h 58m Buy It Now for only: $549.00 |
 PENTAX SMC 70mm F 24 DA LIMITED NINE MONTHS OLD MINT CONDITION BOXED $488.41 (12 Bids) Time Remaining: 3d 9h 25m |
 Canon EF 50mm 118 Auto Focus lens for DSLR camera 45 day Limited Warranty $125.00 Time Remaining: 25d 9h 51m Buy It Now for only: $125.00 |
 Multi Listing 28 80mm Macro Zoom Lens 4 Contax Yashica 45 day Limited Warranty $35.00 Time Remaining: 22d 6h 48m Buy It Now for only: $35.00 |
 Pentax SMCP FA 77mm f 18 Limited Edition Lens Black BUNDLE 27980 K $849.95 Time Remaining: 28d 17h 31m Buy It Now for only: $849.95 |
 042X LENS FishEye Limited Edition for CANON EOS 1100D 1000D 600D 550D 500D 450D $39.99 Time Remaining: 9d 17h 19m Buy It Now for only: $39.99 |
 Pentax 21550 smc P DA 40mm F28 Limited Lens $387.33 Time Remaining: 23d 21h 58m Buy It Now for only: $387.33 |
 NEW PENTAX DA 70mm F24 F 24 Limited LENS 4 K 5 K 01 K 30 K30 $545.00 Time Remaining: 29d 4h 17m Buy It Now for only: $545.00 |
 Pentax Takumar 135mm 125 Lens K mount DLSR 45 day Limited Warranty $70.00 Time Remaining: 28d 6h 14m Buy It Now for only: $70.00 |
 Pentax SMC DA 15 mm F 40 Lens Limited ED Lens $400.00 Time Remaining: 4d 17h 51m |
 Pentax SMC FA 77mm F18 Limited Black +Wty Express $916.56 Time Remaining: 29d 23h 41m Buy It Now for only: $916.56 |
 Ricoh GR 28 28 Limited LSM 02723 MINT Box $1,695.00 Time Remaining: 24d 18h 2m Buy It Now for only: $1,695.00 |
 NEW PENTAX DA 15mm F4 F 4 ED Limited LENS 4 K R K 7 K 5 K 01 K01 $645.00 Time Remaining: 22d 20h 35m Buy It Now for only: $645.00 |
 Olympus AF 50mm 118 Auto Focus Lens near mint 45 day Limited Warranty $45.00 Time Remaining: 25d 9h 18m Buy It Now for only: $45.00 |
 Super Multi Coated Takumar 135mm lens M42 Pentax 45 day Limited Warranty $85.00 Time Remaining: 17d 7h 23m Buy It Now for only: $85.00 |
 NEW PENTAX FA 77mm F18 F 18 Limited LENS Black 4 K 7 $898.00 Time Remaining: 26d 19h 59m Buy It Now for only: $898.00 |
 NEW PENTAX smc DA 35mm F28 MACRO LIMITED LENS FOR K 5 K 7 K r K 01 $650.00 Time Remaining: 1d 17h |
 Quantaray AF 70 300mm LDO Macro Lens EF Canon DSLR 45 day Limited warranty $80.00 Time Remaining: 5d 18h 13m Buy It Now for only: $80.00 |
 Multi Listing 28 80mm Auto Focus Lens for Pentax DLSR K 45 day Limited Warrant $40.00 Time Remaining: 8d 10h 27m Buy It Now for only: $40.00 |
 NEW PENTAX smc FA 43mm f19 LIMITED SILVER LENS f K 5 $769.99 Time Remaining: 3d 9h 58m Buy It Now for only: $769.99 |
 Nikon Nikkor 50mm 118 Manual Focus lens Nikon F 45 day Limited Warranty $80.00 Time Remaining: 23d 4h 36m Buy It Now for only: $80.00 |
 Zoom 70 210mm Macro Lens For Pentax K A Film Digital 45 day Limited Warranty $32.00 Time Remaining: 9d 14h 8m Buy It Now for only: $32.00 |
 Pentax SMCP DA 21mm f32 AL AF Lens Black 21590 BUNDLE Limited Edition $649.95 Time Remaining: 29d 5h 6m Buy It Now for only: $649.95 |
 SMC Pentax M 50mm 12 lens Pentax Film or DSLR 45 day Limited Warranty $70.00 Time Remaining: 13d 16h 54m Buy It Now for only: $70.00 |
 HorusBennu 50mm F17 MC Lenses Limited Star Samsung Pentax $49.87 Time Remaining: 1d 41m |
 Multi Listing 135mm Manual Focus Lens Konica EE camera 45 day Limited Warranty $25.00 Time Remaining: 28d 13h 57m Buy It Now for only: $25.00 |
 SMC Takumar 55mm 12 Manual Focus lens M42 Pentax 45 day Limited Warranty $55.00 Time Remaining: 17d 4h 16m Buy It Now for only: $55.00 |
 NEW PENTAX smc FA 43mm f19 LIMITED BLACK LENS f K 5 $769.99 Time Remaining: 18d 7h 54m Buy It Now for only: $769.99 |
 NEW PENTAX FA 43mm F19 F 19 Limited LENS BLACK 4 K 5 $765.00 Time Remaining: 26d 19h 59m Buy It Now for only: $765.00 |
 Canon FD 50mm 118 Manual Focus Lens for A1 AE1 T90 45 Day Limited Warranty $39.00 Time Remaining: 27d 14h 27m Buy It Now for only: $39.00 |
 SMC Pentax F 80 200mm 147 56 Auto Focus lens K mt 45 day Limited Warranty $80.00 Time Remaining: 26d 5h 22m Buy It Now for only: $80.00 |
 Multiple Listing 70 210mm AF Lens Olympus Film camera 45 day Limited Warranty $50.00 Time Remaining: 27d 10h 21m Buy It Now for only: $50.00 |
 CRYSTAL VISION LIMITED EDITION HD MACRO 05xAF WIDE ANGLE LENS 67MM $50.00 Time Remaining: 6d 6h 41m |
 49mm Green Color Lens Filter For Pentax FA 77mm f 18 Limited DA 70mm f 24 $4.45 Time Remaining: 11d 23h 33m Buy It Now for only: $4.45 |
 Pentax SMC FA 43mm F19 Limited Black +Wty Express $832.91 Time Remaining: 29d 23h 41m Buy It Now for only: $832.91 |
 Pentax 77mm f 18 Limited Series Autofocus Telephoto SMCP FA Lens BLACK NEW $880.97 Time Remaining: 7h 14m Buy It Now for only: $880.97 |
 Promaster 60 300mm 4 56 Macro Zoom Lens 4 Olympus OM 45 day Limited Warranty $50.00 Time Remaining: 29d 7h 40m Buy It Now for only: $50.00 |
 Takumar Lens Case for Super Takumar 135mm 35 45 Day Limited Warraty $10.00 Time Remaining: 24d 10h 28m Buy It Now for only: $10.00 |
 Sigma AF 35 135mm 135 45 Auto Focus Lens Canon EF 45 day Limited Warranty $65.00 Time Remaining: 24d 5h 15m Buy It Now for only: $65.00 |
Collaboration Develops New Vision Measuring Instrument
With R&D assistance from Georgia Tech and seed funding from the Georgia Research Alliance (GRA), an Atlanta-based company is developing what it hopes will be the next-generation instrument for optimizing eyesight for the hundreds of millions of people who wear glasses or contacts.
New York City NYC with Pentax Kx and 40mm f/2.8 Limited Lens