Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Pentax Digital SLR Cameras Review| Categories | Fisheye |
| Product Code | B001OC5FIA |
| Product Rating |  |
| Price | $799.00 |
| Where To Buy | See More Details |
| Customer Review | See More Reviews |
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Product Details
- Brand: Sigma
- Model: 4.5mm Pentax Mount
- Dimensions: 1.04 pounds
Features
- Fast F2.8 maximum aperture making it ideal for low light photography
- Minimum focusing distance of 13.5cm and a maximum magnification of 1:6
- Equisolid angle projection method is possible for art and scientific use
- Equipped with HSM with full-time manual focus override
- Fast F2.8 maximum aperture making it ideal for low light photography
- Minimum focusing distance of 13.5cm and a maximum magnification of 1:6
- Equisolid angle projection method is possible for art and scientific use
- Equipped with HSM with full-time manual focus override
Product Description
This auto focus circular fisheye lens has an angle of view of 180 degrees in all directions. It is exclusively designed for digital SLR cameras with the APS-C size image sensor. When used in conjunction with digital SLRs with APS-C size image sensors, it produces circular image within the frame. The F2.8 large aperture value produces a bright image in the viewfinder and allows photographers to take pictures in low light conditions, making it an ideal lens for Astrophotography and Aurora photography. Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific and arts applications such as solid angle measurements of cloud distribution over the sky or vegetation distribution of the forest. The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1:6 make it particularly useful for close-up photography. SLD (Special Low Dispersion) glass provides effective compensation of chromatic aberration. Sigma's Super Multi-Layer Coating minimizes flare and ghosting. It is equipped with an inner focusing system that creates high definition and good image quality over the whole frame. The HSM (Hyper Sonic Motor) ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.
Customer Reviews
Most helpful customer reviews
27 of 30 people found the following review helpful.
By Steve Mokris
Combined with Nodal Ninja rotating tripod heads, I'm using this lens to produce equirectangular 360deg x 180deg panoramas. Six shots in 60deg increments work perfectly when stitched with Hugin or AutoPano.Limited depth of field is a problem --- I find that typically I have to operate the lens at f/11 or f/16 to get decent full-frame-in-focus results, which necessitates shutter times of > 0.5s indoors, so it's only really useful for static scenes.
0 of 0 people found the following review helpful.
By RRMessiah
Perhaps I got a bad lens, but this lens is far too soft for my purposes. Remember, 180 degrees of vision is squeezed into a circle within the rectangular canvas of your camera's sensor (hence circular fisheye).I intended to use this for spherical panoramas for realtime background images, but the clarity is just too low on my D5100. For that purpose, stay away from fisheyes and go wide angle so details are preserved.
1 of 3 people found the following review helpful.
By dcard
This product is great except cost. If you don't mind spending around $900 then this lense is for you!!!! If you are budget minded you could get a manual lense far cheaper that produces the same great pics. The only reason for 4 stars is cost everything else is wonderful.
Available now at affordable price, promo discounts and easy shipping. I am really satisfied with the features and recommend it to anyone hunting for a top quality item with the latest features at an low. You can read review from customers to find out more from their experience. Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Pentax Digital SLR Cameras has worked wonders for me and I wish it will do wonders on you too. Why then waste any more time? Have Fun, you understand where you can shop the best ones.
Some of the customer reviews speak that the Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Pentax Digital SLR Cameras are splendid luggage. Also, It Is a pretty well product for the price. It’s great for colony on a tight budget. We’ve found pros and cons on this type of product. But overall, It’s a supreme product and we are well recommend it! When you however want to know more details on this product, so read the reports of those who have already used it.
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