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Bower 650-1300mm f/8-16 Manual Focus Lens for Pentax

BH #BO6501300PK (B&H Kit)
Bower
Bower 650-1300mm f/8-16 Manual Focus Lens for Pentax
Key Features
  • Super Telephoto Zoom
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 in this particular configuration is delivered with a T-mount which fits any Pentax K-mount camera (which includes Samsung's digital SLR cameras).

It will work on both "full frame" 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 hinderance, 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, and needs a sturdy tripod or monopod, but can deliver very sharp results if used properly.

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Bower 650-1300mm f/8-16 Overview

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 in this particular configuration is delivered with a T-mount which fits any Pentax K-mount camera (which includes Samsung's digital SLR cameras).

It will work on both "full frame" 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 hinderance, 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, and needs a sturdy tripod or monopod, but can deliver very sharp results if used properly.

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.
UPC: 636980500379

Bower T-Mount to Pentax K Mount Adapter

The Bower T-Mount to Pentax K Mount Adapter allows you to mount T-mount lenses, telescopes, microscopes, and other optics to your Pentax K-mount camera body. When in use, automatic camera functions, such as autofocus and exposure control, will not be available and must be set manually.

UPC: 636980702759

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

Focal Length650 to 1300mm
Maximum Aperturef/8 to 16
Minimum Aperturef/8 to 16
Lens MountT-Mount
Lens Format CoverageFull-Frame
Angle of View3.8° to 2.0°
Minimum Focus Distance16.4' / 5 m
Optical Design8 Elements in 5 Groups
Focus TypeManual Focus
Image StabilizationNo
Tripod CollarYes
Filter Size95 mm (Front)
Dimensions (ø x L)4.13 x 18.23" / 10.49 x 46.3 cm
Weight4.4 lb / 2 kg
Packaging Info
Package Weight5.4 lb
Box Dimensions (LxWxH)19.6 x 5 x 4.9"

Bower T-Mount to Pentax K Mount Adapter Specs

Adapter
Camera MountPentax K
Lens MountT-Mount
Packaging Info
Package Weight0.095 lb
Box Dimensions (LxWxH)2.85 x 2.8 x 1"

Bower 650-1300mm f/8-16 Reviews

It's a telescope

By Dustin
Rated 4 out of 5
Date: 2020-05-05

I have a 2x adapter on this lens and use it mainly for shots of the moon and planets. I'm quite happy with the quality of the photos. My only drawback is the zoom, which doesn't feel as rigid and sturdy as I would like it to be. Otherwise, it is a great lens.

Pretty good

By CR
Rated 4 out of 5
Date: 2016-11-28

For the price it's a good lens. It's a metal lens feels sturdy. When extending the lens from 650-1300 it does seem to catch a little it's not the smoothest action but it gets the job done.

Big-Heavy but the first shots hand held surprisingly good

By Peter
Rated 4 out of 5
Date: 2015-11-24

I tried the lens out today. Very heavy BUT more rugged than I thought it would be. Right now the in and out focus movement seems a little stiff but should loosen up the more I use it. The front lens cover could be of a better quality as it is not a tight fit. I took several shots hand held today with my 5D Mark II. I was very surprised at the quality especially at 650mm for being hand held. I purchased this lens more on the novelty-must try thought BUT I now think that is not just going to be that but a serious tool in my photography work in the future. One more thing that I would like to find. A cover for the T connector while it is connected to the lens and stored in the carry case. If this lens is used correctly it should be the best value lens for me because of the low price. Still does not compare in quality to my Canon long lenses but what a price for what you get.

Not As Good As I hoped

By Mosey
Rated 2 out of 5
Date: 2015-06-02

I had hoped this lens would fit nicely with the rest of my equipment. Sorry to say it didn't workout. After I received the lens, I took it out for a day of testing. While I thought it preformed reasonably well, I was stunned when I got home to see all these very fine hairs in the barrel by the eyepiece. It actually looked like it had dandruff.So I began to look at the composition of the lens and found that every-time I zoomed in or out, a fine covering of these black hairs would collected inside the lens. As I was looking to see if there was a way to get them out, I thought about these hairs collecting on the inside of the camera. I took a look and sure enough there they were. A fine layer of black hairs was covering the inside of my camera as well as the inside of the lens.From looking down the barrel of the lens, I found there is some kind of material lining the lens and every-time I zoom in or out, this material leaves these black hairs inside the lens and inside my camera. While the lens did a halfway respectable job, I can't live with the hairs all over the inside of the lens and my camera. I had to send the lens back.

Lens

By Tammie
Rated 5 out of 5
Date: 2019-02-20

I love this lens!!!

Excellent Lens

By Dennis
Rated 5 out of 5
Date: 2017-11-15

For an inexpensive lens, this works great! I have used it several times and have gotten great images with it.

A good lens with provisos

By Shelly
Rated 4 out of 5
Date: 2017-05-20

I bought this lens to photograph the upcoming solar eclipse. I included a few untouched shots below for you to determine its quality for yourself. The picture of the sun was shot using a solar filter. In order to use this lens successfully, imho, you have to know the following: *The lens is long and heavy. A decent ball mount on a tripod could not hold the skyward position I wanted, so I had to buy a gimbal mount and a long plate to hold the lens in position. *I am not able to roll my finger along the shutter to prevent lens movement so I have to use a remote shutter. I tether my camera to a computer or an iPhone using Canon remote shooting software to release the shutter without movement to get as sharp an image as possible. *Although my shot of the moon shows much more detail than you can see with your unaided eye, don't mistake the lens for a telescope. Using this lens, I am not able to resolve Jupiter even when pairing the lens with a Brower doubler which gets you a lens with a 2600 mm focal length. The lens can work nicely to photograph wildlife provided your subject remains still long enough for you to be able to focus. If you know the lens' limitations, you can use it successfully heeding the above pointers ie good mount, remote shutter. If you must shoot freehand, you should consider a much more expensive lens in the $5000 to $15,000 range. See you along the path of totality on 8/21... hoping for crystal clear skies all day.

Ok, but be careful...

By Jacob Mounts
Rated 4 out of 5
Date: 2017-03-04

Does well for what it is made to do; however, it is very heavy and I would definitely recommend using a good tripod that can manage the weight and lock it in place. Also, beware of debris coming off and getting on the camera sensor. Nothing more frustrating than getting it put on and ready to start taking pics only to find a big black piece of debris right in the middle of the viewer and you've got to take everything off to clean the inside of the camera again.

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YOUR RECENTLY VIEWED ITEMS

question

Hello. to use the Bower 650-1300mm f/8-16 Manual Focus Lens on canon 6D or canon 7D what T-Mount I need tu buy?Thanks
Asked by: Anonymous
You may use any T-mount adapter indicated as being for the Canon EOS system to connect this lens with both your 6D and 7D cameras. See the link below for the mount we recommend for you:http://bhpho.to/JB5k2f
Answered by: Yos O.
Date published: 2018-08-27

Would this work well for filming small birds with ...

Would this work well for filming small birds with a DSLR at 24 fps with a shutter speed of 1/50?
Asked by: Joshua
This is a manual focus lens , with a low quality optics , a little difficult but doable
Answered by: vilson
Date published: 2021-01-18

Do it work with a Sony a6000?

Do it work with a Sony a6000?
Asked by: Luke
Hi--this lens is designed for Sony A-mount DSLR cameras; it is not compatible with Sony E-mount mirrorless cameras.
Answered by: Boyd
Date published: 2020-03-12

question

I have a nikon D90,will that fit on my camera,and does it have auto focus,and is it good for wildlife photos
Asked by: Anonymous
It will fit a D90 with a T mount adapter but you will have to manually focus and manually set your camera's setting. It can be good for wildlife photos if you use a tripod and the animals aren't moving quickly. I will link you to the adapter. http://bhpho.to/1bk8rzo
Answered by: Matthew C.
Date published: 2018-08-27

question

Looking at the specs it is not very heavy for the size. What material is the lens made of?
Asked by: Paul W.
The main material of the lens is plastic.
Answered by: Dennis A L.
Date published: 2018-08-27

question

is this lens compatible with nikon d3100 hd
Asked by: Anonymous
It is compatible but you will need a t mount adapter. http://bhpho.to/1d8lKOS
Answered by: Matthew C.
Date published: 2018-08-27

question

how do i set the f-stop on this lens on a pentax k30 dslr camera
Asked by: Anonymous
Unfortunately, the aperture on the 650-1300mm f/8-16 Manual Focus T-Mount Lens cannot be adjusted. The aperture would be fixed at f/8 when at 650mm and would be fixed at f/16 when at 1300mm. For each portion of the focal range there would be a fixed aperture.
Answered by: Christina S.
Date published: 2018-08-27

question

Is Bower 650-1300mm f/8-16 Manual Focus T-Mount Lens compatible with Canon EOS 60D camera ?
Asked by: Anonymous
You can use the Bower 650-1300mm f/8-16 Manual Focus T-Mount Lens with the Canon 60D. You would simply need an adapter, such as one found on the following link. http://bhpho.to/1fYvSJN
Answered by: Christina S.
Date published: 2018-08-27
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