Pentax Zoom Telephoto 60-250mm f/4 ED DA* SDM Autofocus Lens

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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 650-1300mm f/8-16 Manual Focus T-Mount Lens

 
  • Super Telephoto Zoom
  • Requires Camera-Specific T-Mount
Lease to Own at
$15 /week or less
Availability: Out of stock
SKU
SLY650T

This extreme 650-1300mm f/8-16 Manual Focus Lens from Bower is an economical way to achieve some ultra-telephoto photography, all the way up to 1300mm.  This is a T-mount lens, which means that aperture is not communicated to or controlled by the camera body, and as such must be used only in aperture-priority autoexposure mode (if your camera has it) or in the manual exposure mode.  There are T-mounts available for every modern DSLR system as well as for older film cameras and even C-mount cameras.

It will work on both "full frame" digital cameras as well as the smaller-format APS-C (15 x 22mm) cameras, but has only one effective aperture at any focal length, which varies from f/8.0 at 650mm to f/16.0 at 1300mm.  That's not much of a hindrance, however, as you'd likely use this lens at its relatively small maximum aperture in any case.

This lens requires bright light and a high ISO setting on the camera to get a fast shutter speed (or fast film in a film camera), and needs a sturdy tripod or monopod, but can deliver very sharp results if used properly.

The lens features an incredible zoom range.
This lens has a two-touch zoom/focusing system. There is a push-pull ring for zooming, and another ring for focusing.
Multi-coated elements reduce flare and increase light transmission.
The white lens barrel helps reduce heat buildup.
The aperture is fixed-position, but only varies based on focal length.
It has a deep lens shade with matted, dark internal coloring.
The lens has a tripod mount upon its lens barrel.
Performance
Focal Length 650 - 1300mm
Aperture Maximum: f/8
Minimum: f/16
Camera Mount Type T-mount (T-thread)
Format Compatibility 35mm Film / Full-Frame Digital Sensor
DSLR (APS-C Sensor)
Angle of View 3.8° - 2.0°
Minimum Focus Distance 16.4' (5 m)
Magnification Not Specified By Manufacturer
Maximum Reproduction Ratio Not Specified By Manufacturer
Elements/Groups 8/5
Diaphragm Blades Not Specified By Manufacturer
Features
Image Stabilization No
Autofocus No
Tripod Collar Yes
Physical
Filter Thread 95 mm
Dimensions (DxL) Approx. 4.13 x 18.23" (10.49 x 46.30 cm)
Weight 4.4 lb (2.00 kg)
Packaging Info
Package Weight 5.4 lb
Box Dimensions (LxWxH) 19.6 x 5.0 x 4.9"
More Information
Specification
Focal Length650 to 1300mm
Maximum Aperturef/8 to 16
Minimum Aperturef/8 to 16
Lens MountT-Mount
Format CompatibilityFull-Frame
Angle of View3.8° to 2.0°
Minimum Focus Distance16.4' / 5 m
Optical Design8 Elements in 5 Groups
Focus TypeManual Focus
Image StabilizationNone
Tripod CollarYes
Filter Size95 mm (Front)
Dimensions (ø x L)4.13 x 18.23" / 10.49 x 46.30 cm
Weight4.4 lb / 2 kg
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