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 Raise your hand the eyes have it! Pete December 14, 2018December 14, 2018 0 An alternative macro lens and extension tube combination Pete May 27, 2015May 27, 2015 2 Three Flowerdale Miniatures walk Pete October 12, 2014November 1, 2014 0 Add any comments or questions hereCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.