House Martin in flight House Martin (Delichon urbica). Blashford Lakes nature reserve. Olympus OM-D EM-5 DSLR & Sigma 50-500mm F4-6.3 APO DG lens at F6.3. Image cropped Next → You May Also Like Olympus announce 2 new professional lenses, the 8mm Fisheye and the 7-14mm Pete May 15, 2015May 15, 2015 0 The Unsuspecting Pete July 26, 2018July 26, 2018 0 Cokin P173 Varicolour Blue/Yellow Filter Review Pete May 7, 2011June 3, 2011 2 Add any comments or questions hereCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.