Weight: 16.5lb
Responding to your requests, we are pleased to offer this reflector optical tube assembly (OTA) for folks who already have an equatorial mount. This optical tube assembly includes parabolic mirror optics, center marked for easy collimation. It has an upgraded 2" Crayford-style focuser (with 1.25" eyepiece adapter), quick-collimation cap, dust cap, and a dovetail base that accommodates any Orion finder scope. Pre-tapped holes in the rear cell allow attachment of an Orion Cooling Accelerator Fan (sold ...Details on Orion 203mm F/4.9 Reflector Telescope Tube Assembly with Crayford-Style Focuser
In Stock
Details on Tokina Zoom Telephoto 80-400mm f/4.5-5.6 AT-XD Autofocus Lens for Nikon AF-D -USA-
In Stock





Optical Zoom: 4X - Focal Length: 306mm - Lens Aperture: 22f-stops - Lens Aperture: 4f-stops
Lens Mount: PENTAX KAF-Lens Construction: 11 elements in 10 groups-Diaphragm: Fully automatic-Minimum Aperture: F22-32-Number of Aperture Blades: 6-Metering System: TTL open-aperture metering-Minimum Focusing: 3.61 feet-Filter Diameter: 52mm-MaximumDetails on Pentax DA 50-200mm F4-5.6 ED Lens
In Stock
Optical Zoom: 8X - Focal Length: 35mm - Lens Aperture: 4f-stops
The Nikon 55-200mm f/4-5.6G ED AF-S VR DX Lens is a versatile and ultra-compact telephoto zoom lens that offers a 3.6x zoom range, ideal for portraiture, sports or wildlife photography. Its equivalent focal length in 35mm terms, when used on a digital camera, is 82-300mm. It is the ideal companion to the DX 18-55mm f/3.5-5.6G ED standard zoom lens. The innovative Vibration Reduction (VR) system allows handheld telephoto zoom shooting even in poorly lit conditions. It minimizes image blur caused by camera ...In Stock
$209.95
$179.95Focal Length: 70mm - Lens Aperture: 4f-stops
The Tamron AF 70-300mm f/4-5.6 Di LD Macro lens is a quality compact ultra tele zoom lens which covers the 70mm to 300mm telephoto range, with a maximum magnification ratio of 1:2 at the tele end. This lens delivers ultimate handling ease and portability in the field due to its lightweight size and mechanical operation. Best suited for shooting outdoors to make full use of the real telephoto of 300mm as well as providing diversity in portraiture using the medium focal length ranges of 70mm to 135mm. Di ...Details on Tamron Zoom Telephoto 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Nikon AF-D
In Stock





Lens Aperture: 4f-stops
The versatile DA 55-300mm ED zoom lens offers an extreme telephoto zoom range, perfect for those moderate to long shots. ED elements compensate for chromatic aberration, while the PENTAX SP coating which protects the exposed lens elements. Developed specifically for PENTAX digital SLRs, the DA 55-300mm ED zoom has a focal length equivalent to 82.5mm to 450mm in the 35mm format.Details on Telephoto Zoom smc P-DA ED Lens (55-300mm, F/4-5.8)
In Stock
$429.95
$358.99Optical Zoom: 4X - Lens Aperture: 4f-stops
Pentax smc P-DA 50-200mm F4-5.6 ED Zoom LensWith a medium range 4x telephoto zoom in an affordable, durable package, this lens catches medium- to long-distance objects and everything in between. Developed specifically for Pentax digital SLR cameras,Details on Pentax smc P-DA 50-200mm F4-5.6 ED Zoom Lens
In Stock
Focal Length: 35mm
The SAL-70300G 70-300mm f/4.5-5.6G SSM Autofocus Lens is a medium-to-long telephoto lens that employs supersonic-wave motor (SSM) technology for quieter, smoother AF operation. This G-Series zoom lens covers a broad range of frequent telephoto shooting situations. The equivalent focal length in 35mm terms for this lens is 105-450mm. With a full range of functions geared to the professional photographer, this lens provides sharp, color-shift-free images across the entire film area at all apertures. High-quality ...Details on Sony SAL-70300G 70-300mm f/4.5-5.6G SSM Autofocus Lens
In Stock
$799.00
$675.25





Lens Aperture: 4f-stops
This ultra-wide zoom lens has a wide angle of view from 102.4 - 63.8 degrees and it is exclusive to digital SLR cameras. SLD glass elements effectively compensate color aberration. Aspherical lenses provide maximum correction for distortion and various aberrations; high image quality is displayed throughout the entire zoom range. Equipped with HSM, this lens makes fast AF speeds and quiet shooting a reality, and it is also capable of full-time manual focus. It has a minimum focusing distance of 24cm (9.4 ) at ...Details on Sigma Zoom Wide Angle 10-20mm f/4-5.6 EX DC HSM Autofocus Lens for Nikon Digital SLR
In Stock
$424.95
$416.95Lens Aperture: 4f-stops
The Sigma 509109 70-300mm 4-5.6 DG Macro lens is the compact and economical choice for a telephoto zoom lens. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It is the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range.Details on Sigma 70-300mm F4-5.6 DG Macro AF Lens for Pentax
In Stock





Optical Zoom: 10X - Focal Length: 50mm - Lens Aperture: 4f-stops
High Magnification Ultra Telephoto Zoom Lens, with a 10x zoom ratio from 50mm to 500mm, optimized for digital SLR cameras.This high zoom ratio lens is optimized for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto. Reduction of Flare and Ghosting The advanced optical design is optimized for digital SLR cameras. In addition, the new super coating on each glass surface produces superb color rendition, while reducing flare and ghosting. SLD ...Details on Sigma Zoom Normal-Telephoto 50-500mm f/4-6.3 EX APO DG Autofocus Lens for Pentax AF
In Stock





Lens Aperture: 4f-stops
The Canon EF 70-300mm f/4-5.6 IS USM telephoto zoom lens has been developed to meet the high-performance standards that today's photographers demand. Improved Image Stabilizer Technology provides up to three stops of shake correction, and the Mode 2 option stabilizes images while panning with a moving subject. Compared to the original Canon EF 75-300mm IS zoom lens, this telephoto lens has faster autofocus, and overall the lens is lighter and has a smaller diameter than the original. The zoom ring can be ...In Stock
Lens Aperture: 4f-stops
This telephoto zoom lens is designed with Canon's Optical Image Stabilizer technology while retaining compactness and lightness, in response to demands of photographers. This high zoom ratio lens is equivalent to a focal length of 88-400mm in the 35mm format (when used on Canon EOS cameras compatible with EF-S lenses), and the image stabilizer effect equivalent to a shutter speed about 4 stops faster than the same size lens without Image Stabilizer. In other words, if the slowest shutter speed you could ...Details on Canon EFS 55-250mm f/4-5.6 IS -USA-
In Stock
Focal Length: 90mm - Lens Aperture: 4f-stops
Telephoto 90mm f/4 Macro-Elmar M Lens Kit (6-Bit, Updated for Digital) - with Macro Adapter M and Angle Viewfinder M - BlackDetails on Leica 90mm f/4 Macro Kit (6-Bit) - Black
Pre-order
$4200.00
$3,795.00Details on Tokina Zoom Telephoto 80-400mm f/4.5-5.6 AT-XD Autofocus Lens for Canon EOS -Imported-
In Stock





Details on Canon 100-300mm f/4.5-5.6 USM EF Lens
In Stock
Details on Nikon D5000 12.3 Megapixel Digital SLR Camera Kit 2
In Stock
sponsored links
| search suggestions: | ||
|---|---|---|
Shopping Blog | About Become | Send Feedback | Share Your Success Story | Online Degrees | Exava | Black Friday Deals
Our International Sites: Japan | United Kingdom | Germany | Italy
Copyright © 2009 Become, Inc.
if yer hewmen, dawnt qlique dis linc