You're in Computers & Software

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Brand

    By Focal Length

    By Features

    By Lens Type

    By Flash Modes

    By Zoom Capability

    Additional Options

    By Keyword

    Best Seller
    Sigma 72mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S14

    Sigma 72mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S14

    Free Shipping! Sigma 72mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $14.95

    FREE shipping

    go to store
    Sigma 58mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S16

    Sigma 58mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S16

    Free Shipping! Sigma 58mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $13.95

    FREE shipping

    go to store
    Best Seller
    Sigma Used EF-530 DG Super E-TTL II Shoe Mount Flash (Guide No. 174/53 m at 105mm) for 169-101

    Sigma Used EF-530 DG Super E-TTL II Shoe Mount Flash (Guide No. 174/53 m at 105mm) for 169-101

    [FACTORY REFURBISHED] - Sigma EF-530 DG Super E-TTL II Shoe Mount Flash (Guide No. 174/53 m at 105mm) for Canon EOS with E-TTL II -Refurb more

    $69.95

    FREE shipping

    go to store
    Sigma 77mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S13

    Sigma 77mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S13

    Free Shipping! Sigma 77mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $13.95

    FREE shipping

    go to store
    Sigma 62mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S15

    Sigma 62mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S15

    Authorized Sigma USA Dealer! Read 14.00 User Reviews on the 62mm Adapter. Buy today from B...

    Free Shipping! Sigma 62mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $16.95

    FREE shipping

    go to store
    Sigma 55mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S17

    Sigma 55mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S17

    Free Shipping! Sigma 55mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $14.00

    FREE shipping

    go to store
    Sigma Used 105mm f/2.8 EX DG Macro Lens for Nikon AF Cameras 257306

    Sigma Used 105mm f/2.8 EX DG Macro Lens for Nikon AF Cameras 257306

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    [FACTORY REFURBISHED] - Sigma 105mm f/2.8 EX DG Macro Lens for Nikon AF Cameras -Refurb more

    $269.95

    FREE shipping

    go to store
    Sigma Used 19mm f/2.8 EX DN Lens for Sony E Mount Camera 400965

    Sigma Used 19mm f/2.8 EX DN Lens for Sony E Mount Camera 400965

    [FACTORY REFURBISHED] - Sigma 19mm f/2.8 EX DN Lens for Sony E Mount Camera -Refurb more

    $119.95

    FREE shipping

    go to store
    Sigma Used 10mm f/2.8 EX DC HSM Fisheye Lens for Nikon DX Digital Cameras 477-306

    Sigma Used 10mm f/2.8 EX DC HSM Fisheye Lens for Nikon DX Digital Cameras 477-306

    [FACTORY REFURBISHED] - Sigma 10mm f/2.8 EX DC HSM Fisheye Lens for Nikon DX Digital Cameras -Refurb more

    $229.95

    FREE shipping

    go to store
    Sigma Used 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Nikon Cameras 880-306

    Sigma Used 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Nikon Cameras 880-306

    [FACTORY REFURBISHED] - Sigma 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Nikon Cameras -Refurb more

    $194.95

    FREE shipping

    go to store
    Sigma Used 10mm f/2.8 EX DC HSM Fisheye Lens for Canon Digital Camera 477-101

    Sigma Used 10mm f/2.8 EX DC HSM Fisheye Lens for Canon Digital Camera 477-101

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    [FACTORY REFURBISHED] - Sigma 10mm f/2.8 EX DC HSM Fisheye Lens for Canon Digital Camera -Refurb more

    $319.95

    FREE shipping

    go to store
    Sigma Used 85mm f/1.4 EX DG HSM Lens For Sony/Minolta Digital SLR Cameras 320205

    Sigma Used 85mm f/1.4 EX DG HSM Lens For Sony/Minolta Digital SLR Cameras 320205

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    [FACTORY REFURBISHED] - Sigma 85mm f/1.4 EX DG HSM Lens For Sony/Minolta Digital SLR Cameras -Refurb more

    $424.95

    FREE shipping

    go to store
    Sigma Used 70-300mm f/4-5.6 DG OS Lens for Canon Digital Cameras 572101

    Sigma Used 70-300mm f/4-5.6 DG OS Lens for Canon Digital Cameras 572101

    [FACTORY REFURBISHED] - Sigma 70-300mm f/4-5.6 DG OS Lens for Canon Digital Cameras -Refurb more

    $129.95

    go to store
    Sigma Used Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC Macro Autofocus Lens for Niko 669306

    Sigma Used Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC Macro Autofocus Lens for Niko 669306

    [FACTORY REFURBISHED] - Sigma Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC Macro Autofocus Lens for Nikon Digital SLR Cameras -Refurb more

    $189.95

    FREE shipping

    go to store
    Sigma Used Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC HSM Macro Autofocus Lens for 689-306

    Sigma Used Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC HSM Macro Autofocus Lens for 689-306

    [FACTORY REFURBISHED] - Sigma Zoom Super Wide Angle AF 17-70mm f/2.8-4.5 DC HSM Macro Autofocus Lens for Nikon Digital SLR Cameras -Refurb more

    $199.95

    FREE shipping

    go to store
    Sigma Used EF-630 Electronic Flash for Canon Cameras F50954

    Sigma Used EF-630 Electronic Flash for Canon Cameras F50954

    [FACTORY REFURBISHED] - Sigma EF-630 Electronic Flash for Canon Cameras -Refurb more

    $196.50

    FREE shipping

    go to store
    Sigma Used EF-630 Electronic Flash for Nikon Cameras F50955

    Sigma Used EF-630 Electronic Flash for Nikon Cameras F50955

    [FACTORY REFURBISHED] - Sigma EF-630 Electronic Flash for Nikon Cameras -Refurb more

    $234.95

    FREE shipping

    go to store
    Sigma MC-11 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Sony E) 89E965

    Sigma MC-11 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Sony E) 89E965

    Authorized Sigma USA Dealer! Read 381.00 User Reviews on the MC-11 Mount. Buy today from B...

    Sigma MC-11 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Sony E) Adapt EF-Mount Lens to Sony E Body, Integrated LED Displays Compatibility, Maintains Autofocus and Auto-Exposure, Supports In-Camera Correction Features, Flocked Interior... more

    $249.00 $224.00

    FREE shipping

    go to store
    Sigma NS-41 Camera Strap (Black) CS0339

    Sigma NS-41 Camera Strap (Black) CS0339

    Sigma NS-41 Camera Strap (Black) Holds Sigma DP Quattro Camera Series, Comfortable 0.75" Width, Adjustable 32-60" Cross-Body Strap, Flat Cord Attachment, Durable and Lightweight at 0.8 oz, Nylon and Plastic Buckle Construction PHOTO-Camera Straps more

    $17.00

    go to store
    Sigma Strap Holder for fp Camera C437CK

    Sigma Strap Holder for fp Camera C437CK

    Sigma Strap Holder for fp Camera 1/4"-20 Attachment, Swiveling Lug PHOTO-Camera Straps more

    $11.00

    go to store
    Sigma 67mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S26

    Sigma 67mm Adapter Ring for EM-140 DG Macro Ringlight Flash F30S26

    Free Shipping! Sigma 67mm Adapter Ring for EM-140 DG Macro Ringlight Flash NULL more

    $14.00

    FREE shipping

    go to store
    Sigma Used 30mm f/2.8 DN Lens for Sony E-mount Cameras (Black) 33B965

    Sigma Used 30mm f/2.8 DN Lens for Sony E-mount Cameras (Black) 33B965

    [FACTORY REFURBISHED] - Sigma 30mm f/2.8 DN Lens for Sony E-mount Cameras (Black) -Refurb more

    $138.95

    FREE shipping

    go to store
    Sigma MC-21 Mount Converter/Lens Adapter (Sigma SA-Mount Lenses to L-Mount Camera 89S969

    Sigma MC-21 Mount Converter/Lens Adapter (Sigma SA-Mount Lenses to L-Mount Camera 89S969

    Free Express Shipping! Sigma MC-21 Mount Converter/Lens Adapter (Sigma SA-Mount Lenses to L-Mount Camera) SA-Mount Lens to L-Mount Body, Integrated LED Displays Compatibility, Maintains Autofocus and Auto-Exposure, Supports In-Camera Correction... more

    $169.00

    FREE shipping

    go to store
    Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera 89E969

    Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera 89E969

    Authorized Sigma USA Dealer! Read 52.00 User Reviews on the MC-21 Mount. Buy today from B&...

    [Pre Order - allow extra time] Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera) EF-Mount Lens to L-Mount Body, Integrated LED Displays Compatibility, Maintains Autofocus and Auto-Exposure, Supports In-Camera Correction... more

    $249.00 $224.00

    FREE shipping

    go to store
    Sigma Used 17-70mm f/2.8-4 DC Macro OS HSM Lens for Nikon Digital Cameras 668306

    Sigma Used 17-70mm f/2.8-4 DC Macro OS HSM Lens for Nikon Digital Cameras 668306

    [FACTORY REFURBISHED] - Sigma 17-70mm f/2.8-4 DC Macro OS HSM Lens for Nikon Digital Cameras -Refurb more

    $199.95

    FREE shipping

    go to store
    Sigma MC-31 Mount Converter/Lens Adapter (PL-Mount Lenses to L-Mount Camera) 89A969

    Sigma MC-31 Mount Converter/Lens Adapter (PL-Mount Lenses to L-Mount Camera) 89A969

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    Free Express Shipping! Sigma MC-31 Mount Converter/Lens Adapter (PL-Mount Lenses to L-Mount Camera) PL-Mount Lens to L-Mount Body, Aluminum Alloy Body, Brass Mount, Removable Tripod Support Foot, Supports Shim Adjustments, Included Shim, Removable... more

    $679.00

    FREE shipping

    go to store
    Sigma Used 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Canon Cameras 880-101

    Sigma Used 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Canon Cameras 880-101

    [FACTORY REFURBISHED] - Sigma 18-250mm f/3.5-6.3 DC OS HSM Autofocus Zoom Lens For Canon Cameras -Refurb more

    $219.95

    go to store
    Sigma USB Cable for Merrill Cameras, USB Dock, and MC-11 Converter EYC035

    Sigma USB Cable for Merrill Cameras, USB Dock, and MC-11 Converter EYC035

    Sigma USB Cable for Merrill Cameras, USB Dock, and MC-11 Converter Replacement or Spare Part, Allows for Firmware Update PHOTO-Camera Cables & File Transfer more

    $11.00

    go to store
    Sigma Used 85mm f/1.4 EX DG HSM Lens For Nikon Digital SLR Cameras 320306

    Sigma Used 85mm f/1.4 EX DG HSM Lens For Nikon Digital SLR Cameras 320306

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    [FACTORY REFURBISHED] - Sigma 85mm f/1.4 EX DG HSM Lens For Nikon Digital SLR Cameras -Refurb more

    $409.95

    FREE shipping

    go to store
    Sigma SAC-7P AC Adapter EY1004

    Sigma SAC-7P AC Adapter EY1004

    Free Express Shipping! Sigma SAC-7P AC Adapter For fp Digital Camera, Enables Powering Camera from AC Outlet, Includes CN-21 DC Connector more

    $58.00

    FREE shipping

    go to store
    Sigma HG-11 Hand Grip AG3900

    Sigma HG-11 Hand Grip AG3900

    Authorized Sigma USA Dealer! Read 11.00 User Reviews on the HG-11 Hand Grip. Buy today fro...

    Free Express Shipping! Sigma HG-11 Hand Grip For fp Digital Camera, Improves Handling, Offers Secure Grip, Attaches to Side of Camera via 1/4"-20 more

    $58.00

    FREE shipping

    go to store
    Sigma HG-21 Large Hand Grip AG4900

    Sigma HG-21 Large Hand Grip AG4900

    Free Express Shipping! Sigma HG-21 Large Hand Grip For fp Digital Camera, Improves Handling, Offers Secure Grip, Attaches to Bottom of Camera via 1/4"-20 more

    $95.00

    FREE shipping

    go to store
    Sigma BP-61 Li-Ion Battery D00055

    Sigma BP-61 Li-Ion Battery D00055

    Free Shipping! Sigma BP-61 Li-Ion Battery For sd Quattro & sd Quattro H Cameras more

    $75.00

    FREE shipping

    go to store
    Sigma LVF-11 LCD Viewfinder AL2900

    Sigma LVF-11 LCD Viewfinder AL2900

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    Free Express Shipping! Sigma LVF-11 LCD Viewfinder For fp Digital Camera, Attaches to Rear of Camera Body, Provides 2.5x-Magnified View of LCD, Blocks Stray Light for Clearer Viewing, Includes BPL-11 Base Plate more

    $292.00

    FREE shipping

    go to store
    Sigma CR-41 Cable Release AR8900

    Sigma CR-41 Cable Release AR8900

    Sigma CR-41 Cable Release For fp Digital Camera, Benefits Making Long Exposures, Helps to Reduce Unwanted Camera Shake, Connects via 3.5mm Microphone Port, Includes 3.5mm Port for Mic Attachment PHOTO-Shutter Releases more

    $38.00

    go to store
    Sigma CN-21 DC Connector EY2900

    Sigma CN-21 DC Connector EY2900

    Sigma CN-21 DC Connector Connects fp Digital Camera to SAC-7P AC Adapter PHOTO-AC Adapters & DC Couplers more

    $16.00

    go to store
    Sigma Lens Hood Set for dp3 Quattro BW001

    Sigma Lens Hood Set for dp3 Quattro BW001

    Free Shipping! Sigma Lens Hood Set for dp3 Quattro For dp3 Quattro Digital Camera, Combines LH4-01 Hood & HE1-01 Extension, Increased Shading for Telephoto Lens more

    $38.00

    FREE shipping

    go to store
    Sigma TC-2001 2x Teleconverter for Canon EF 870101

    Sigma TC-2001 2x Teleconverter for Canon EF 870101

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    Free Express Shipping! Sigma TC-2001 2x Teleconverter for Canon EF Canon EF Teleconverter, 2x Magnification Factor, Communication between Lens & Camera, AF Operates at up to f/8, Two Special Low Dispersion Elements, Dust and Splashproof, Compatible... more

    $399.00

    FREE shipping

    go to store
    Sigma TC-2001 2x Teleconverter for Nikon F 870306

    Sigma TC-2001 2x Teleconverter for Nikon F 870306

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    Free Shipping! Sigma TC-2001 2x Teleconverter for Nikon F Nikon F Teleconverter, 2x Magnification Factor, Communication between Lens & Camera, AF Operates at up to f/8, Two Special Low Dispersion Elements, Dust and Splashproof, Compatible with Select... more

    $399.00

    FREE shipping

    go to store
    Sigma TC-1401 1.4x Teleconverter for Nikon F 879306

    Sigma TC-1401 1.4x Teleconverter for Nikon F 879306

    *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount.

    Free Express Shipping! Sigma TC-1401 1.4x Teleconverter for Nikon F Nikon F Teleconverter, 1.4x Magnification Factor, Communication between Lens & Camera, AF Operates at up to f/8, One Special Low Dispersion Element, Dust and Splashproof, Compatible... more

    $349.00

    FREE shipping

    go to store

    More information about Computers & Software

    Best prices on Camera flashes, Sigma in Computers & Software. Check out Bizrate for great deals on popular brands like Sigma. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.