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Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens

Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens

Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens

B&H # BO50063 MFR # SLY50063
Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens

Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens Top View

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Product Highlights

  • Mirror Lens
  • Just 3.9" Wide & 4.7" Long
  • Accepts 95mm or 34mm Filters
  • Requires Camera-Specific T-Mount

You Pay: $139.99

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Overview
  • 1Description

The Bower 500mm f/6.3 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/6.3 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.

This lens has a broad diameter and stocky build, making it a bit easier to handle than a normal refractor lens.  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/6.3 mirror lens in T-mount
Multicoated optics
Distinct out-of-focus highlight characterization
White lens barrel helps prevent heat retention
Accepts inexpensive 34mm filters (upon the rear of the lens)
Made in South Korea
UPC: 636980500010
In the Box
Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens
  • Front Cap
  • 1-Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Performance
    Focal Length 500mm
    Aperture Maximum: f/6.3
    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 6.1' (1.86 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 Front:95 mm
    Rear:34 mm
    Dimensions (DxL) Approx. 3.86 x 4.69" (98 x 119 mm)
    Weight 1.43 lb (650 g)
    Packaging Info
    Package Weight 1.85 lb
    Box Dimensions (LxWxH) 7.0 x 4.8 x 4.7"
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