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The Bower 650-1300mm f/8-16 Telephoto Zoom Lens is an inexpensive stepping stone into the world of telephoto photography that where nature and wildlife shooters most often roam.
The shyness often exhibited by wild creatures can be overcome by increasing the distance between the critter and the shooter. Often this is a distance is set by the subject rather than the photographer. A telephoto lens such as this one allows a person to keep a respectable distance that is comfortable for both parties without causing the photographer to lose the ability to fill the frame with subject.
Bower 650-1300mm f/8-16 Manual Focus T-Mount Lens
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 auto-exposure 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 at 650mm to f/16 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.
General Brand T-Mount SLR Camera Adapter for Minolta MD Cameras
Ultratelephoto photography is easily achieved with your telescope and Minolta MD camera by purchasing this T-Mount Adapter for Minolta MD Cameras. You'll need to take precautions to minimize vibrations, such as locking up the mirror if possible as well as using a cable release or remote control to fire the shutter.
First, remove the eyepiece. Next, attach the SLR camera adapter where the eyepiece would normally be attached to the telescope, and screw in this T-mount adapter to the opposite end of the SLR camera adapter. Now you can attach your camera to the T-mount and you are ready to begin taking pictures!
In addition to being used with telescopes, there are many old and new T-mount lenses which are installed to your MD camera by adding this T-mount adapter to the rear of the lens and installing lens/adapter upon your camera.
Note:NOTE: Your camera will need to be in fully manual exposure mode, although some cameras may also work in aperture-priority autoexposure mode. Additionally, if there is a switch on the camera which chooses the focus mode, that switch must indicate manual focusing.