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Product Description


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 .

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If you are not satisfied with your order and wish to initiate a return, please contact us via buyorders@6ave.com. All returns must be accompanied with an RA number assigned by a Sixth Avenue Electronics Express representative. Products must be in Brand New condition, including the manufacturer's box with all included accessories. We will not accept any returns without the recorded serial numbers and upc numbers intact on the box. Returned items will be subject to a restocking fee of 5%-20% of the total price. Shipping price is not refundable. The buyer is responsible for shipping charges to return an item back to us. If an item arrives Damaged, please contact us immediately. We will file a claim with the shipper, and ship a replacement as soon as the claim is approved (between 1-6 business days). We hope items never arrived damaged, but unfortunately it does infrequently occur. We thank you in advance for working with us. Certain products are not eligible to be returned at all. Those include hygienic and personal care products (e.g shavers), a/v equipment, and special order products.

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New Jersey residents are subject to sales tax.