Skip to Content

Camera Lenses

Rokinon 135mm F/2 lens review

The Rokinon 135mm F/2 was Built for Astrophotography

|Camera Lenses|7 Comments

In this post, I'll explain why I think the Rokinon 135mm F/2 is the perfect addition to an arsenal of astrophotography lenses.  Deep sky astrophotography is often associated with a camera and telescope, but the truth is there are a lot of great camera lenses for astrophotography out there. In the past I've covered a number of different lenses, from the Rokinon 14mm F/2.8 to the Canon EF 300mm F/4L. As you know, camera lenses come in varying focal lengths, apertures, and optical quality. Astrophotography is one of the ultimate tests of lens quality, as long exposure photography of de…

Canon EF 300mm F/4L

Using A Canon 300mm Lens for Astrophotography

|Nebulae|9 Comments

If you watched my video about Comet 46P Wirtanen, you may have noticed that my imaging gear included a Canon EF 300mm F/4L USM Lens. This may have seemed a little odd to those that are used to seeing me use a telescope for astrophotography, but a camera lens like this can be a great way to capture deep sky images. Over the years, a lot of people have asked me why they should invest in a new telescope when they already own a high-quality telephoto camera lens with a comparable focal length. After all, a prime lens like the Canon EF 300mm F/4L isn't cheap, and its got some seriously impressiv…

double cluster in Perseus

Double Cluster in Perseus

|Star Clusters|0 Comments

NGC 869 and NGC 884 Date Photographed: February 1, 2016 Total Exposure Time: 30 Minutes (60 x 30" frames @ ISO 800) Mount: Skywatcher HEQ-5 Pro Synscan Camera: Canon EOS 7D (stock) Camera Lens: Canon EF 300mm F/4L Stacked in Deep Sky Stacker Processed in Adobe Photoshop CC The clear sky chart for my area stated that the skies were to be clear for approximately 2 hours on Monday night. That was all the inspiration I needed to head out to the backyard and do some experimenting. Nights like this are perfect for trying out new techniques and equipment. Anything I…