Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens

Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens

Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens

B&H # BO5008K MFR # SLY5008
In Stock
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Product Highlights

  • Mirror Lens
  • Just 3.0" Wide & 3.5" Long
  • Accepts 30.5mm Filters
  • Requires Camera-Specific T-Mount
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Bower 500mm f/8.0 overview

  • 1Description

The Bower 500mm f/8.0 Manual Focus Lens is a catadioptric mirror T-mount lens, precision manufactured in South Korea.

When combined with the T-mount to fit your camera system, this mirror lens mounts to camera and works on both "full frame" cameras as well as the "APS-C" style digital SLR cameras.  T-Mounts are available for all the digital SLR systems, as well as for C-mount systems.  However, in every case the fixed f/8 aperture is not communicated to the camera body.  As such, you can use the lens in "M" manual exposure mode or "A" aperture-priority mode only.

Despite this lens' long 500mm focal length, it has a compact 3 x 3.5" size and weighs under 1 pound, making it a bit easier to handle than normal 500mm refractor lenses (it should be used with a tripod or monopod in any case).  It also has a much different rendering of out of focus areas than a normal lens; highlights will be doughnut-shaped rings with more saturation and contrast on the edge of the ring than on the center.

This lens is an ideal candidate for astrophotography use when mounted to a Vixen GP2 Photo Guider (or other motorized equatorial telescope mount).

Fixed-aperture 500mm f/8 mirror lens in T-mount
Multicoated optics
Distinct out-of-focus highlight characterization
Excellent close focusing capacity
Accepts 30.5mm filters at rear of lens barrel
Made in South Korea
UPC: 636980500072
In the Box
Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens
  • Front and Rear Lens Caps
  • Carry Pouch
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Bower 500mm f/8.0 specs

    Performance
    Focal Length 500mm
    Aperture Maximum: f/8
    Camera Mount Type T-Mount (T-Thread)
    Format Compatibility 35mm Film / Full-Frame Digital Sensor
    DSLR (APS-C Sensor)
    Angle of View
    Minimum Focus Distance 5.7'; (1.74 m)
    Magnification Not specified by manufacturer
    Maximum Reproduction Ratio Not specified by manufacturer
    Elements/Groups 7 / 6
    Diaphragm Blades Not specified by manufacturer
    Features
    Image Stabilization No
    Autofocus No
    Tripod Collar No
    Physical
    Filter Thread Rear: 30.5 mm
    Dimensions (DxL) Approx. 3.03 x 3.44" (7.70 x 8.74 cm)
    Weight 11.64 oz (330 g)
    Packaging Info
    Package Weight 1.0 lb
    Box Dimensions (LxWxH) 6.3 x 3.9 x 3.9"

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